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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, DEPARTMENT OF ENERGY

( 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
376 Induced Nuclear Reactions: Processes, Systems, and Elements 482 29 9 9 7 7 8 4 1 2 1 2 7 2 4 2 0 6 1 0 0 0 583
250 Radiant Energy 351 13 15 11 9 9 11 18 9 3 1 3 4 2 3 1 5 1 1 2 1 3 476
423 Chemistry of Inorganic Compounds 264 8 4 7 2 11 1 8 3 5 2 1 0 0 4 3 2 4 4 1 3 1 338
073 Measuring and Testing 167 6 9 10 9 7 3 12 5 6 3 7 1 3 3 1 1 3 1 2 2 0 261
372 Coherent Light Generators 94 6 8 9 9 19 8 22 6 3 1 0 2 1 0 0 1 3 0 0 0 0 192
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 123 9 9 10 3 2 5 0 3 1 0 0 3 4 0 4 2 0 0 1 0 1 180
252 Compositions 117 2 3 5 2 5 2 2 2 0 0 1 0 0 0 2 0 0 1 0 0 1 145
204 Chemistry: Electrical and Wave Energy 92 4 8 2 0 7 3 7 4 1 1 2 0 1 3 1 3 1 0 0 0 0 140
324 Electricity: Measuring and Testing 93 6 4 6 4 9 1 4 1 1 0 2 0 1 1 0 0 2 2 1 2 0 140
356 Optics: Measuring and Testing 72 4 5 12 3 5 4 4 3 4 2 2 1 0 1 1 0 0 1 1 0 1 126
359 Optical: Systems and Elements 69 4 2 7 6 13 3 7 4 1 0 2 0 1 3 2 0 1 0 0 0 0 125
315 Electric Lamp and Discharge Devices: Systems 67 12 3 10 2 6 4 4 1 0 1 2 1 0 1 0 1 0 1 0 0 0 116
427 Coating Processes 84 3 4 4 1 2 3 4 2 0 0 0 1 0 1 0 0 0 0 0 0 0 109
428 Stock Material or Miscellaneous Articles 71 3 2 4 2 6 2 2 2 1 0 0 0 0 4 0 2 1 0 0 1 0 103
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 61 4 6 2 5 3 4 3 2 2 1 0 0 0 2 0 1 1 0 1 1 1 100
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 80 2 5 1 1 1 2 2 1 1 0 0 1 0 0 1 0 1 0 0 0 0 99
532 Organic Compounds (includes Classes 532-570) 51 3 4 5 7 5 8 3 2 1 0 0 0 1 2 1 2 1 0 1 1 0 98
210 Liquid Purification or Separation 55 5 6 4 4 1 1 2 3 1 2 1 1 1 1 0 1 1 0 0 0 0 90
588 Hazardous or Toxic Waste Destruction or Containment 50 1 4 2 0 1 1 4 2 1 3 3 3 6 2 2 0 0 0 0 0 0 85
219 Electric Heating 51 2 5 5 5 1 1 1 2 0 1 1 2 2 2 1 2 0 0 0 0 0 84
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 52 6 2 3 1 2 2 0 4 0 1 2 3 1 0 0 0 0 0 0 0 0 79
148 Metal Treatment 58 2 0 1 0 2 0 1 1 1 0 1 1 0 1 1 0 0 0 0 0 0 70
062 Refrigeration 50 5 3 2 0 2 0 0 1 0 0 0 0 1 0 1 1 0 0 0 0 0 66
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 44 1 0 1 1 4 1 4 2 1 0 1 1 0 1 0 1 0 0 2 0 0 65
136 Batteries: Thermoelectric and Photoelectric 39 0 1 1 1 1 3 3 0 0 2 3 1 4 1 0 0 1 0 0 2 1 64
310 Electrical Generator or Motor Structure 40 1 0 2 3 3 3 2 1 1 2 0 0 3 2 0 0 0 0 0 0 0 63
378 X-Ray or Gamma Ray Systems or Devices 31 0 1 3 4 4 1 3 1 2 0 0 1 0 1 1 2 2 1 0 1 1 60
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 41 1 2 1 3 5 1 1 2 1 0 0 1 0 0 1 0 0 0 0 0 0 60
420 Alloys or Metallic Compositions 51 1 3 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 58
029 Metal Working 43 2 3 0 1 1 1 2 0 0 2 0 0 0 1 0 0 0 0 0 0 0 56
137 Fluid Handling 44 0 1 0 3 0 0 1 1 0 1 0 0 0 0 0 1 0 0 1 0 0 53
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 45 1 0 0 1 0 0 1 1 0 1 0 1 0 0 1 0 0 1 0 0 0 53
436 Chemistry: Analytical and Immunological Testing 23 3 2 3 0 2 3 2 2 2 3 0 2 1 1 3 0 0 0 0 0 0 52
102 Ammunition and Explosives 24 4 3 3 4 1 3 2 1 1 0 1 0 0 1 0 1 0 0 0 0 0 49
374 Thermal Measuring and Testing 26 2 1 1 6 6 3 2 0 0 0 1 0 0 0 0 1 0 0 0 0 0 49
435 Chemistry: Molecular Biology and Microbiology 20 3 4 2 3 4 2 3 1 0 1 0 1 1 0 1 0 0 1 0 1 0 48
165 Heat Exchange 43 0 2 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 47
313 Electric Lamp and Discharge Devices 35 3 2 0 2 0 0 0 2 0 0 0 0 0 0 2 0 0 0 0 0 0 46
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 15 1 2 3 2 4 3 2 1 1 3 1 3 0 0 0 1 0 0 1 0 1 44
095 Gas Separation: Processes 25 1 0 1 0 3 1 1 0 0 1 0 2 0 1 0 3 1 1 1 1 0 43
126 Stoves and Furnaces 38 0 1 0 2 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 42
174 Electricity: Conductors and Insulators 36 1 0 0 1 0 1 0 0 2 0 0 0 1 0 0 0 0 0 0 0 0 42
208 Mineral Oils: Processes and Products 31 2 2 1 3 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 41
228 Metal Fusion Bonding 33 0 1 1 1 1 0 0 0 1 1 0 0 0 0 0 0 0 1 0 0 1 41
361 Electricity: Electrical Systems and Devices 30 1 0 1 1 0 2 0 0 1 1 2 1 0 0 0 0 0 0 1 0 0 41
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 35 1 1 0 0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 40
501 Compositions: Ceramic 19 1 2 3 7 0 1 1 1 0 2 0 0 1 0 0 1 0 0 0 0 0 39
048 Gas: Heating and Illuminating 31 2 1 0 1 1 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 38
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 22 4 2 5 1 2 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 38
060 Power Plants 21 1 0 0 1 2 0 0 2 0 0 3 0 1 0 2 0 0 1 1 1 0 36
340 Communications: Electrical 22 1 1 0 0 1 3 0 3 1 1 0 1 1 0 0 0 0 0 0 0 0 35
438 Semiconductor Device Manufacturing: Process 16 1 1 4 1 2 3 1 1 0 0 1 0 2 1 1 0 0 0 0 0 0 35
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 28 0 0 0 0 2 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 33
033 Geometrical Instruments 21 0 2 2 1 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 28
417 Pumps 18 0 0 2 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 27
419 Powder Metallurgy Processes 20 0 1 2 0 0 2 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 27
505 Superconductor Technology: Apparatus, Material, Process 0 1 2 0 2 8 6 4 1 1 0 2 0 0 0 0 0 0 0 0 0 0 27
110 Furnaces 15 2 2 1 1 1 0 1 0 0 1 0 0 0 1 1 0 0 0 0 0 0 26
333 Wave Transmission Lines and Networks 12 2 1 3 1 2 2 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 25
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 8 0 2 2 4 0 0 1 2 2 0 0 0 0 1 1 0 0 0 0 1 0 24
065 Glass Manufacturing 11 1 0 1 2 3 0 0 0 2 1 0 1 0 0 0 0 0 0 0 1 0 23
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 11 1 3 0 1 5 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 23
118 Coating Apparatus 17 1 1 0 1 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 22
307 Electrical Transmission or Interconnection Systems 17 0 0 2 0 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 22
209 Classifying, Separating, and Assorting Solids 12 0 3 1 0 1 0 0 1 0 0 0 0 2 0 0 0 1 0 0 0 0 21
251 Valves and Valve Actuation 15 0 1 1 0 0 0 1 0 1 0 0 0 0 1 0 0 0 0 0 1 0 21
149 Explosive and Thermic Compositions or Charges 17 0 0 0 1 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 20
044 Fuel and Related Compositions 12 1 1 1 1 0 0 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 19
330 Amplifiers 16 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 19
385 Optical Waveguides 3 0 1 1 1 1 3 2 2 1 1 0 0 1 0 0 0 0 0 0 1 1 19
405 Hydraulic and Earth Engineering 11 1 0 1 0 0 3 1 0 0 1 0 0 0 0 0 0 0 1 0 0 0 19
414 Material or Article Handling 12 1 1 1 0 1 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 19
089 Ordnance 4 2 2 3 0 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1 18
200 Electricity: Circuit Makers and Breakers 14 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 18
318 Electricity: Motive Power Systems 14 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 18
439 Electrical Connectors 14 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 18
096 Gas Separation: Apparatus 11 0 1 0 1 0 1 0 0 0 0 1 0 0 0 0 2 0 0 0 0 0 17
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 12 0 2 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17
363 Electric Power Conversion Systems 11 1 1 0 0 0 0 0 2 1 0 1 0 0 0 0 0 0 0 0 0 0 17
382 Image Analysis 8 0 0 1 1 1 1 0 0 0 1 1 0 1 1 0 0 0 0 1 0 0 17
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 14 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 17
277 Seal for a Joint or Juncture 10 1 0 0 2 1 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 16
074 Machine Element or Mechanism 12 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
128 Surgery (includes Class 600) 12 0 0 1 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 15
216 Etching a Substrate: Processes 10 0 1 1 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 15
248 Supports (e.g., for holding articles, etc.) 12 1 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 15
285 Pipe Joints or Couplings 12 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15
082 Turning (e.g., for metal working) 12 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 14
331 Oscillators 11 2 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 14
348 Television 10 0 0 1 1 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 14
451 Abrading 7 0 0 0 1 1 0 1 0 0 2 0 0 1 1 0 0 0 0 0 0 0 14
494 Imperforate Bowl: Centrifugal Separators 12 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
702 DP: Measuring, Calibrating, or Testing (Data Processing) 5 0 2 1 1 0 0 1 0 0 0 1 0 1 0 0 0 0 1 1 0 0 14
708 Arithmetic Processing and Calculating (Electrical Computers) 13 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14
164 Metal Founding 7 1 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 13
220 Receptacles 8 0 0 0 1 1 0 0 0 0 0 0 0 1 2 0 0 0 0 0 0 0 13
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 5 0 1 1 0 1 0 2 1 1 1 0 0 0 0 0 0 0 0 0 0 0 13
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 12 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13
700 DP: Generic Control Systems or Specific Applications (Data Processing) 6 0 0 1 1 0 0 2 0 0 0 1 0 0 0 0 1 1 0 0 0 0 13
072 Metal Deforming 10 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 12
104 Railways 1 0 1 0 1 0 4 3 0 2 0 0 0 0 0 0 0 0 0 0 0 0 12
138 Pipes and Tubular Conduits 9 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
175 Boring or Penetrating the Earth 7 0 1 0 0 0 0 1 0 0 1 0 0 0 0 2 0 0 0 0 0 0 12
367 Communications, Electrical: Acoustic Wave Systems and Devices 8 0 1 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 12
106 Compositions: Coating or Plastic 7 0 0 1 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 11
244 Aeronautics and Astronautics 6 2 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 11
294 Handling: Hand and Hoist-Line Implements 5 1 0 0 0 1 0 1 0 0 1 0 0 0 2 0 0 0 0 0 0 0 11
299 Mining or In Situ Disintegration of Hard Material 9 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 11
336 Inductor Devices 9 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
384 Bearings 9 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11
398 Optical Communications 6 1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10
585 Chemistry of Hydrocarbon Compounds 4 1 0 1 1 0 1 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 10
239 Fluid Sprinkling, Spraying, and Diffusing 3 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 1 0 0 1 0 9
322 Electricity: Single Generator Systems 7 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9
323 Electricity: Power Supply or Regulation Systems 3 0 0 0 0 3 0 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 9
341 Coded Data Generation or Conversion 5 0 0 0 1 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 9
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 3 0 0 0 1 0 2 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 9
431 Combustion 3 0 0 0 0 2 0 0 0 0 0 1 0 2 0 0 0 0 1 0 0 0 9
122 Liquid Heaters and Vaporizers 7 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
134 Cleaning and Liquid Contact with Solids 3 1 0 1 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 8
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 6 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
338 Electrical Resistors 7 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
403 Joints and Connections 5 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
415 Rotary Kinetic Fluid Motors or Pumps 7 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8
034 Drying and Gas or Vapor Contact with Solids 6 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
052 Static Structures (e.g., Buildings) 4 0 0 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 7
181 Acoustics 1 0 1 0 1 2 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 7
345 Computer Graphics Processing and Selective Visual Display Systems 3 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
375 Pulse or Digital Communications 2 1 1 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 7
380 Cryptography 0 1 1 1 2 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7
053 Package Making 5 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 6
055 Gas Separation 2 3 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 6
123 Internal-Combustion Engines 3 0 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
241 Solid Material Comminution or Disintegration 4 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 6
242 Winding, Tensioning, or Guiding 5 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
261 Gas and Liquid Contact Apparatus 3 1 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 6
266 Metallurgical Apparatus 2 1 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 6
290 Prime-Mover Dynamo Plants 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
312 Supports: Cabinet Structure 2 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 6
365 Static Information Storage and Retrieval 3 0 2 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
366 Agitating (e.g., of articles and materials) 3 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 6
373 Industrial Electric Heating Furnaces 5 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
396 Photography 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 4 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 6
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 3 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 6
015 Brushing, Scrubbing, and General Cleaning 4 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
051 Abrasive Tool Making Process, Material, or Composition 4 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
222 Dispensing (apparatus and process) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
292 Closure Fasteners 3 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 5
409 Gear Cutting, Milling, or Planing 3 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
416 Fluid Reaction Surfaces (i.e., Impellers) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
432 Heating 4 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
606 Surgery (instruments) 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5
607 Surgery: Light, Thermal, and Electrical Application 4 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 5
092 Expansible Chamber Devices 3 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
159 Concentrating Evaporators 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
162 Paper Making and Fiber Liberation 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
188 Brakes 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
198 Conveyors: Power-Driven 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 3 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
320 Electricity: Battery or Capacitor Charging or Discharging 3 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 4
343 Communications: Radio Wave Antennas 2 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
368 Horology: Time Measuring Systems or Devices 3 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
370 Multiplex Communications 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 4
406 Conveyors: Fluid Current 1 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 4
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 4
418 Rotary Expansible Chamber Devices 3 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
434 Education and Demonstration 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 4
455 Telecommunications 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 2 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 1 0 0 0 0 0 0 4
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 4
030 Cutlery 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
049 Movable or Removable Closures 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
057 Textiles: Spinning, Twisting, and Twining 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
083 Cutting 2 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
091 Motors: Expansible Chamber Type 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
127 Sugar, Starch, and Carbohydrates 1 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
169 Fire Extinguishers 2 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
203 Distillation: Processes, Separatory 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
249 Static Molds 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
269 Work Holders 2 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 3
358 Facsimile and Static Presentation Processing 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
360 Dynamic Magnetic Information Storage or Retrieval 1 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 3
408 Cutting by Use of Rotating Axially Moving Tool 0 1 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 3
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
714 Error Detection/Correction and Fault Detection/Recovery 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
023 Chemistry: Physical Processes 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
024 Buckles, Buttons, Clasps, Etc. 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
070 Locks 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
100 Presses 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
119 Animal Husbandry 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
124 Mechanical Guns and Projectors 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2
173 Tool Driving or Impacting 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
199 Type Casting 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
201 Distillation: Processes, Thermolytic 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
202 Distillation: Apparatus 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
206 Special Receptacle or Package 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
236 Automatic Temperature and Humidity Regulation 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 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
267 Spring Devices 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
279 Chucks or Sockets 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
326 Electronic Digital Logic Circuitry 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
332 Modulators 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
346 Recorders 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
349 Liquid Crystal Cells, Elements and Systems 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
353 Optics: Image Projectors 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
362 Illumination 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 1 0 1 0 0 0 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 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
483 Tool Changing 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2
711 Memory (Electrical Computers and Digital Processing Systems) 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
028 Textiles: Manufacturing 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
040 Card, Picture, or Sign Exhibiting 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
042 Firearms 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
043 Fishing, Trapping, and Vermin Destroying 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
086 Ammunition and Explosive-Charge Making 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
109 Safes, Bank Protection, or a Related Device 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
114 Ships 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
116 Signals and Indicators 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
140 Wireworking 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 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
212 Traversing Hoists 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
221 Article Dispensing 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
223 Apparel Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
225 Severing by Tearing or Breaking 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
280 Land Vehicles 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
283 Printed Matter 1 0 0 0 0 0 0 0 0 0 0 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
347 Incremental Printing of Symbolic Information 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
355 Photocopying 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
381 Electrical Audio Signal Processing Systems and Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
400 Typewriting Machines 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
404 Road Structure, Process, or Apparatus 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
410 Freight Accommodation On Freight Carrier 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
454 Ventilation 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
473 Games Using Tangible Projectile 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
476 Friction Gear Transmission Systems or Components 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 4524 224 215 224 195 242 172 199 114 71 68 62 53 56 66 45 43 40 22 22 23 17 6697

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