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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

U.S. Government
Utility Patent Grants,
Calendar Years 1969-2008

- this report has been prepared with support from the National Science Foundation -

BREAKOUT BY TECHNOLOGY CLASS -
PATENTS DISTRIBUTED BY CALENDAR YEAR OF GRANT

NUMBER OF UTILITY PATENTS ASSIGNED ANNUALLY TO
U.S. GOVERNMENT ENTITIES

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period

This Table Displays Patent Counts By Technology Class
For Patents Granted To The Following U.S. Government Entity:

UNITED STATES OF AMERICA, ARMY

( count of patent grants, as distributed by calendar year of grant )
( technology class is determined by the primary patent classification - see 'Explanation of Data' )

This table displays annual patent counts for the selected U.S. Government entry.
Counts of granted patents are either distributed by the year of patent grant
or by the year of patent filing.
Class Class Title PRE_1988 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Total
102 Ammunition and Explosives 562 2 8 12 13 15 9 13 10 10 11 9 5 8 16 9 10 7 10 21 5 11 776
089 Ordnance 256 5 9 6 9 3 6 7 11 5 6 2 2 2 6 7 4 3 4 7 7 12 379
073 Measuring and Testing 241 6 8 1 7 3 2 10 3 9 3 8 9 4 6 2 5 8 0 3 8 2 348
250 Radiant Energy 168 6 4 14 14 9 5 9 15 10 7 4 1 8 7 8 1 1 4 7 4 4 310
149 Explosive and Thermic Compositions or Charges 199 0 6 8 6 2 0 2 3 2 1 2 1 4 7 0 3 1 1 2 0 0 250
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 163 1 1 2 3 6 5 6 6 5 4 3 3 4 5 3 1 8 5 2 5 2 243
244 Aeronautics and Astronautics 152 1 1 3 8 1 2 7 2 1 3 9 2 3 4 9 8 2 5 4 4 6 237
532 Organic Compounds (includes Classes 532-570) 174 2 3 1 2 7 9 2 0 1 0 4 2 4 3 1 0 2 2 4 7 0 230
356 Optics: Measuring and Testing 132 4 1 3 1 1 2 2 1 2 5 6 3 2 1 1 4 2 5 9 8 6 201
343 Communications: Radio Wave Antennas 138 5 3 1 0 0 2 2 3 7 3 2 4 7 3 3 1 2 2 1 0 2 191
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 48 2 3 1 2 1 4 3 2 2 6 6 8 4 16 19 14 8 10 14 10 8 191
359 Optical: Systems and Elements 93 6 4 4 3 0 5 7 5 3 4 13 8 2 5 4 0 2 2 4 2 0 176
324 Electricity: Measuring and Testing 111 1 6 3 6 6 2 2 5 3 3 2 0 2 5 4 6 0 2 2 3 1 175
333 Wave Transmission Lines and Networks 110 4 9 0 2 3 6 6 5 2 1 0 1 0 0 3 0 0 1 2 0 0 155
435 Chemistry: Molecular Biology and Microbiology 16 0 0 3 2 2 0 1 2 4 5 3 7 8 7 12 10 7 12 12 10 8 131
372 Coherent Light Generators 74 5 7 0 4 1 2 1 0 3 1 1 1 1 1 0 1 3 2 2 3 1 114
137 Fluid Handling 101 3 1 2 2 1 0 0 0 0 0 1 0 1 0 0 0 0 0 1 0 0 113
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 47 0 1 0 3 1 3 12 7 5 3 4 5 3 2 3 1 4 1 2 1 0 108
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 53 5 4 1 5 4 5 6 3 1 2 2 1 0 2 2 2 1 2 3 1 2 107
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 95 0 0 0 0 1 0 1 3 0 0 0 0 1 0 0 0 0 0 0 0 0 101
042 Firearms 62 0 0 2 2 2 1 2 2 0 0 1 1 0 1 0 1 5 3 6 2 3 96
060 Power Plants 79 0 1 0 1 4 0 1 2 0 1 0 0 0 0 0 0 0 1 1 1 0 92
310 Electrical Generator or Motor Structure 45 3 1 1 3 5 0 5 5 2 3 3 1 1 2 1 0 0 0 3 3 2 89
331 Oscillators 52 2 3 2 1 2 1 5 2 4 3 2 0 0 0 0 0 0 1 1 0 0 81
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 51 2 0 1 1 1 3 1 0 0 2 2 1 2 0 1 1 1 1 3 1 0 75
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 8 2 8 1 8 7 2 3 6 7 2 1 4 3 2 1 2 0 2 3 1 0 73
428 Stock Material or Miscellaneous Articles 41 0 1 0 3 1 3 2 3 0 2 0 1 1 1 0 3 2 2 2 2 2 72
313 Electric Lamp and Discharge Devices 62 1 0 0 0 0 0 1 1 1 2 1 1 1 0 0 0 0 0 0 0 0 71
427 Coating Processes 42 1 1 4 3 3 1 0 0 2 3 2 0 1 0 0 1 2 0 0 0 1 67
438 Semiconductor Device Manufacturing: Process 44 0 3 1 0 0 1 1 2 0 1 1 1 1 0 1 1 0 2 1 4 1 66
340 Communications: Electrical 33 1 1 1 2 0 0 1 1 3 5 3 2 4 3 0 0 0 0 1 3 1 65
436 Chemistry: Analytical and Immunological Testing 38 1 3 0 1 0 2 2 0 1 0 4 3 1 2 1 1 3 0 1 0 1 65
348 Television 41 0 0 1 1 3 1 4 2 2 1 0 2 2 2 1 0 0 0 0 0 1 64
029 Metal Working 40 2 1 1 3 4 0 1 1 1 1 2 1 0 1 0 0 2 2 0 0 0 63
128 Surgery (includes Class 600) 19 0 1 3 1 0 2 0 1 1 2 1 3 3 6 4 4 3 2 3 2 1 62
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 38 0 3 0 0 0 1 3 0 1 1 0 0 2 0 2 1 0 1 0 6 2 61
455 Telecommunications 51 0 2 0 1 0 0 0 0 0 1 2 0 0 0 0 0 0 0 1 1 0 59
315 Electric Lamp and Discharge Devices: Systems 46 0 0 0 0 0 1 0 1 1 0 2 0 0 0 3 2 0 0 0 0 0 56
074 Machine Element or Mechanism 45 3 1 1 0 1 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 54
375 Pulse or Digital Communications 36 0 0 1 0 1 2 1 3 1 0 0 1 0 0 0 0 0 0 0 0 3 49
385 Optical Waveguides 13 3 1 1 0 1 3 4 1 1 3 3 3 1 3 1 1 0 0 1 2 3 49
426 Food or Edible Material: Processes, Compositions, and Products 43 0 0 0 1 1 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 48
330 Amplifiers 40 0 2 0 1 1 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 46
280 Land Vehicles 26 1 1 1 0 1 2 2 0 1 0 3 1 2 0 0 1 1 1 0 0 1 45
361 Electricity: Electrical Systems and Devices 30 0 0 2 1 0 1 1 1 0 3 0 1 1 1 0 1 1 1 0 0 0 45
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 39 0 1 1 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 0 44
434 Education and Demonstration 18 1 1 0 1 0 3 1 5 2 2 1 1 1 0 1 1 0 0 2 1 1 43
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 19 0 0 1 1 1 1 0 1 1 0 1 1 1 0 2 0 0 1 4 4 2 41
702 DP: Measuring, Calibrating, or Testing (Data Processing) 9 0 0 0 2 1 1 0 1 3 0 5 2 1 1 2 1 1 3 5 2 1 41
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 25 0 0 0 0 3 1 0 2 1 1 1 0 1 0 1 1 2 1 0 0 0 40
367 Communications, Electrical: Acoustic Wave Systems and Devices 19 0 0 2 0 1 2 1 1 2 1 4 3 0 0 0 0 0 2 1 1 0 40
374 Thermal Measuring and Testing 25 0 2 0 0 1 2 0 0 0 3 0 0 0 0 1 1 0 0 1 0 1 37
062 Refrigeration 31 0 1 0 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 1 36
204 Chemistry: Electrical and Wave Energy 25 0 0 2 0 0 1 1 3 1 0 0 0 0 0 1 0 0 1 1 0 0 36
252 Compositions 15 0 0 1 8 3 0 1 0 0 0 1 3 0 0 0 0 1 1 2 0 0 36
382 Image Analysis 8 1 0 2 1 0 0 1 0 0 0 1 3 1 5 1 1 4 1 0 1 2 33
423 Chemistry of Inorganic Compounds 22 0 4 0 0 0 0 0 0 1 0 1 0 0 2 0 0 2 0 0 0 1 33
002 Apparel 17 0 1 2 1 0 1 1 0 0 1 0 0 1 0 2 2 2 1 0 0 0 32
086 Ammunition and Explosive-Charge Making 22 0 1 1 0 0 0 2 2 1 1 0 0 1 0 0 0 0 1 0 0 0 32
033 Geometrical Instruments 25 0 0 2 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 1 31
305 Wheel Substitutes for Land Vehicles 24 0 1 0 0 1 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 1 30
708 Arithmetic Processing and Calculating (Electrical Computers) 25 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 2 0 1 0 0 0 30
370 Multiplex Communications 28 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 29
248 Supports (e.g., for holding articles, etc.) 12 0 1 0 0 1 2 0 1 0 0 2 1 0 1 1 1 2 1 0 1 0 27
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 23 0 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 27
365 Static Information Storage and Retrieval 23 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 26
398 Optical Communications 17 1 0 0 0 0 0 1 2 0 1 0 1 0 0 1 0 0 0 0 1 0 25
439 Electrical Connectors 17 0 0 0 0 1 1 0 0 1 0 0 1 0 0 1 0 1 2 0 0 0 25
505 Superconductor Technology: Apparatus, Material, Process 0 0 5 3 2 1 1 2 3 1 2 1 1 1 0 0 0 0 0 0 1 1 25
341 Coded Data Generation or Conversion 21 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 1 0 24
405 Hydraulic and Earth Engineering 3 0 0 0 0 0 5 3 1 3 3 1 1 0 1 0 0 2 0 1 0 0 24
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 5 0 0 1 1 0 1 0 0 0 0 1 2 1 1 1 1 3 0 2 3 1 24
174 Electricity: Conductors and Insulators 14 0 0 0 1 0 3 1 1 0 0 1 0 0 2 0 0 0 0 0 0 0 23
239 Fluid Sprinkling, Spraying, and Diffusing 21 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 23
363 Electric Power Conversion Systems 18 0 0 0 0 0 0 0 0 1 0 0 0 2 1 0 0 0 0 0 0 0 22
148 Metal Treatment 16 0 1 1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 21
180 Motor Vehicles 13 0 1 0 0 0 0 0 1 0 2 1 0 0 0 1 0 1 0 0 0 1 21
200 Electricity: Circuit Makers and Breakers 19 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 21
210 Liquid Purification or Separation 8 1 0 0 1 2 1 0 0 1 0 1 1 0 1 0 0 1 0 2 0 1 21
216 Etching a Substrate: Processes 14 0 2 0 1 1 0 0 1 0 1 0 0 1 0 0 0 0 0 0 0 0 21
219 Electric Heating 17 0 0 0 0 0 1 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 21
376 Induced Nuclear Reactions: Processes, Systems, and Elements 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5 4 2 0 0 0 21
378 X-Ray or Gamma Ray Systems or Devices 16 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 1 1 0 1 0 0 21
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 15 1 0 0 1 0 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 20
169 Fire Extinguishers 12 0 0 1 1 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0 0 20
206 Special Receptacle or Package 11 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2 0 2 0 1 0 2 20
445 Electric Lamp or Space Discharge Component or Device Manufacturing 10 2 3 1 3 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 20
588 Hazardous or Toxic Waste Destruction or Containment 3 0 0 0 0 0 0 1 2 0 4 3 1 1 1 0 0 1 2 0 1 0 20
123 Internal-Combustion Engines 10 0 1 2 0 0 0 0 1 0 0 1 0 2 1 1 0 0 0 0 0 0 19
345 Computer Graphics Processing and Selective Visual Display Systems 10 0 0 0 0 0 0 0 0 0 2 1 0 0 2 0 2 0 0 1 0 1 19
403 Joints and Connections 9 0 0 0 0 2 2 0 1 0 1 0 1 1 0 1 0 0 0 0 0 1 19
106 Compositions: Coating or Plastic 8 0 0 0 1 0 1 4 0 0 2 0 0 0 1 0 1 0 0 0 0 0 18
136 Batteries: Thermoelectric and Photoelectric 10 0 0 1 0 1 0 0 2 2 1 0 0 1 0 0 0 0 0 0 0 0 18
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 16 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 18
307 Electrical Transmission or Interconnection Systems 12 1 0 1 0 2 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 18
362 Illumination 13 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 1 0 0 1 0 0 18
414 Material or Article Handling 13 0 0 0 0 0 0 0 0 1 0 0 0 2 0 0 0 0 1 0 0 0 17
118 Coating Apparatus 11 0 0 0 1 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 1 0 16
165 Heat Exchange 10 0 0 1 0 0 1 2 0 0 0 1 0 1 0 0 0 0 0 0 0 0 16
220 Receptacles 10 1 0 0 1 0 0 0 0 1 0 1 0 0 0 0 0 1 1 0 0 0 16
254 Implements or Apparatus for Applying Pushing or Pulling Force 11 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 16
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 11 0 0 0 0 0 0 0 1 0 3 0 0 0 0 0 0 0 0 1 0 0 16
320 Electricity: Battery or Capacitor Charging or Discharging 8 1 0 0 0 0 0 0 0 0 1 1 0 2 2 0 0 0 0 0 0 0 15
501 Compositions: Ceramic 5 0 0 0 0 1 0 0 1 1 3 0 0 3 0 0 1 0 0 0 0 0 15
044 Fuel and Related Compositions 9 0 0 0 0 0 0 0 0 0 3 1 0 0 1 0 0 0 0 0 0 0 14
294 Handling: Hand and Hoist-Line Implements 8 0 0 2 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 1 0 13
318 Electricity: Motive Power Systems 10 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 13
410 Freight Accommodation On Freight Carrier 7 2 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 1 13
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 9 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 1 0 0 0 13
714 Error Detection/Correction and Fault Detection/Recovery 9 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 13
081 Tools 6 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 12
091 Motors: Expansible Chamber Type 11 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
134 Cleaning and Liquid Contact with Solids 4 1 1 0 0 0 0 1 0 0 0 0 1 0 0 0 2 1 0 0 0 1 12
228 Metal Fusion Bonding 11 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
242 Winding, Tensioning, or Guiding 7 0 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
273 Amusement Devices: Games 2 1 0 0 0 0 0 0 0 0 1 0 1 0 1 1 0 0 1 2 2 0 12
285 Pipe Joints or Couplings 9 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 12
380 Cryptography 10 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 12
419 Powder Metallurgy Processes 4 0 2 3 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 0 0 12
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 9 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 12
052 Static Structures (e.g., Buildings) 5 1 0 0 0 0 2 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 11
065 Glass Manufacturing 8 0 2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 11
192 Clutches and Power-Stop Control 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
222 Dispensing (apparatus and process) 9 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 11
277 Seal for a Joint or Juncture 7 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 11
332 Modulators 10 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
404 Road Structure, Process, or Apparatus 1 0 1 0 0 0 0 1 3 0 0 0 0 0 0 0 0 1 0 0 3 1 11
416 Fluid Reaction Surfaces (i.e., Impellers) 8 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
604 Surgery (Medicators and Receptors) 2 0 0 0 1 0 0 0 2 0 0 0 0 0 0 0 2 1 1 1 1 0 11
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 1 0 1 0 0 0 0 0 0 2 0 1 0 0 0 1 0 1 3 1 11
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 1 0 11
096 Gas Separation: Apparatus 6 0 0 0 0 0 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 1 10
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 9 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
323 Electricity: Power Supply or Regulation Systems 9 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
338 Electrical Resistors 9 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 10
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 7 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 10
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 6 0 0 1 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 10
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 0 0 0 0 0 4 1 0 2 0 1 0 0 0 0 0 2 10
024 Buckles, Buttons, Clasps, Etc. 5 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 9
109 Safes, Bank Protection, or a Related Device 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
114 Ships 8 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
126 Stoves and Furnaces 3 0 0 0 1 0 1 1 0 1 0 0 0 0 0 0 0 1 0 0 0 1 9
188 Brakes 7 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 9
251 Valves and Valve Actuation 5 0 0 0 2 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
292 Closure Fasteners 5 0 0 0 1 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 9
296 Land Vehicles: Bodies and Tops 3 0 0 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 1 0 1 9
336 Inductor Devices 6 0 0 0 0 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 9
360 Dynamic Magnetic Information Storage or Retrieval 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
420 Alloys or Metallic Compositions 6 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2 0 0 0 0 9
474 Endless Belt Power Transmission Systems or Components 5 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 1 9
181 Acoustics 5 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 8
355 Photocopying 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
379 Telephonic Communications 7 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
384 Bearings 7 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 8
055 Gas Separation 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 7
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 4 0 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 7
119 Animal Husbandry 2 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 1 7
124 Mechanical Guns and Projectors 2 0 0 0 0 0 0 2 0 0 1 0 0 2 0 0 0 0 0 0 0 0 7
175 Boring or Penetrating the Earth 2 0 1 0 0 0 0 1 0 0 0 0 0 2 1 0 0 0 0 0 0 0 7
182 Fire Escape, Ladder, or Scaffold 1 0 0 0 0 0 0 0 0 0 1 0 2 1 1 0 1 0 0 0 0 0 7
451 Abrading 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 7
005 Beds 1 0 1 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 6
014 Bridges 5 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
034 Drying and Gas or Vapor Contact with Solids 4 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 6
040 Card, Picture, or Sign Exhibiting 3 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 6
053 Package Making 4 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 6
072 Metal Deforming 4 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 6
116 Signals and Indicators 4 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
224 Package and Article Carriers 3 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 6
267 Spring Devices 5 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
326 Electronic Digital Logic Circuitry 5 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
368 Horology: Time Measuring Systems or Devices 3 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 6
415 Rotary Kinetic Fluid Motors or Pumps 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 6
431 Combustion 3 0 0 0 0 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 5 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 6
043 Fishing, Trapping, and Vermin Destroying 1 1 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 0 0 0 0 5
092 Expansible Chamber Devices 4 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
152 Resilient Tires and Wheels 3 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
209 Classifying, Separating, and Assorting Solids 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 5
297 Chairs and Seats 3 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 5
301 Land Vehicles: Wheels and Axles 2 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 1 0 0 5
312 Supports: Cabinet Structure 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 5
347 Incremental Printing of Symbolic Information 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
349 Liquid Crystal Cells, Elements and Systems 2 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 5
352 Optics: Motion Pictures 4 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
353 Optics: Image Projectors 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
358 Facsimile and Static Presentation Processing 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
366 Agitating (e.g., of articles and materials) 3 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 5
396 Photography 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 3 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
037 Excavating 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 4
070 Locks 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
135 Tent, Canopy, Umbrella, or Cane 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 4
138 Pipes and Tubular Conduits 3 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 4
140 Wireworking 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
329 Demodulators 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
337 Electricity: Electrothermally or Thermally Actuated Switches 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 4
400 Typewriting Machines 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
409 Gear Cutting, Milling, or Planing 2 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 4
454 Ventilation 3 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 4
606 Surgery (instruments) 3 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 4
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1 0 0 0 0 0 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 4
711 Memory (Electrical Computers and Digital Processing Systems) 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 4
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 3 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 4
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
015 Brushing, Scrubbing, and General Cleaning 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
036 Boots, Shoes, and Leggings 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2 0 0 3
083 Cutting 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
095 Gas Separation: Processes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 3
101 Printing 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
110 Furnaces 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
177 Weighing Scales 2 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 3
198 Conveyors: Power-Driven 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
266 Metallurgical Apparatus 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3
269 Work Holders 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
271 Sheet Feeding or Delivering 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
279 Chucks or Sockets 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3
346 Recorders 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
381 Electrical Audio Signal Processing Systems and Devices 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 3
408 Cutting by Use of Rotating Axially Moving Tool 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
417 Pumps 1 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 3
433 Dentistry 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 3
441 Buoys, Rafts, and Aquatic Devices 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 3
475 Planetary Gear Transmission Systems or Components 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
476 Friction Gear Transmission Systems or Components 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
585 Chemistry of Hydrocarbon Compounds 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
713 Support (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 3
056 Harvesters 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2
071 Chemistry: Fertilizers 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2
099 Foods and Beverages: Apparatus 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
164 Metal Founding 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
172 Earth Working 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2
184 Lubrication 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2
221 Article Dispensing 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
226 Advancing Material of Indeterminate Length 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
256 Fences 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 2
290 Prime-Mover Dynamo Plants 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
322 Electricity: Single Generator Systems 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
334 Tuners 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
369 Dynamic Information Storage or Retrieval 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2
418 Rotary Expansible Chamber Devices 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
432 Heating 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
440 Marine Propulsion 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
463 Amusement Devices: Games 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
477 Interrelated Power Delivery Controls, Including Engine Control 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
482 Exercise Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
494 Imperforate Bowl: Centrifugal Separators 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
602 Surgery: Splint, Brace, or Bandage 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 2
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 2
016 Miscellaneous Hardware 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
028 Textiles: Manufacturing 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
030 Cutlery 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
049 Movable or Removable Closures 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
057 Textiles: Spinning, Twisting, and Twining 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
082 Turning (e.g., for metal working) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
108 Horizontally Supported Planar Surfaces 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
125 Stone Working 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
127 Sugar, Starch, and Carbohydrates 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
132 Toilet 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
139 Textiles: Weaving 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
157 Wheelwright Machines 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
160 Flexible or Portable Closure, Partition, or Panel 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
162 Paper Making and Fiber Liberation 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
171 Unearthing Plants or Buried Objects 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
173 Tool Driving or Impacting 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
178 Telegraphy 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
190 Trunks and Hand-Carried Luggage 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
202 Distillation: Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
217 Wooden Receptacles 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
229 Envelopes, Wrappers, and Paperboard Boxes 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
234 Selective Cutting (e.g., Punching) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
236 Automatic Temperature and Humidity Regulation 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1
237 Heating Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
238 Railways: Surface Track 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
241 Solid Material Comminution or Disintegration 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
249 Static Molds 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
293 Vehicle Fenders 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
303 Fluid-Pressure and Analogous Brake Systems 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
373 Industrial Electric Heating Furnaces 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
406 Conveyors: Fluid Current 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
504 Plant Protecting and Regulating Compositions 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
601 Surgery: Kinesitherapy 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
607 Surgery: Light, Thermal, and Electrical Application 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 5481 104 163 133 171 145 153 186 172 138 168 166 140 141 161 145 129 134 127 181 144 129 8611

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