| Class 266 | METALLURGICAL APPARATUS |
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![[List of Pre Grant Publications for class 266 subclass 44]](../as.gif) | ![[List of Patents for class 266 subclass 44]](../ps.gif) | 44 | PROCESS |
| | 48 | MEANS FOR CUTTING SOLID METAL WITH HEAT, E.G., BLOWPIPES |
| | 49 |  With waste entrapping fluid |
| | 50 | Means for cutting continuously cast workpieces |
| | 51 | Means for removing surface material, e.g., scarfing |
| | 52 |  Having means to simultaneously scarf multiple sides of a workpiece |
| | 53 | Having workpiece-contacting cutting means spacer |
| | 54 | With means for cutting tubular workpiece |
| | 55 | Having torch mount secured within workpiece |
| | 56 | Having means to circumrotate torch about workpiece |
| | 57 | With means to rotate workpiece |
| | 58 | With pattern control means |
| | 59 | With tape-control means |
| | 60 | With automatic line-follower means |
| | 61 | With means to rotate workpiece |
| | 62 | Having articulated arm supporting torch |
| | 64 | Having spaced, superposed templet |
| | 65 | With work supporting grate means |
| | 66 | Hand held, work riding torch |
| | 67 | With wheeled carriage torch mount |
| | 70 | Circle cutter |
| | 71 | Having torch solely supported by workpiece |
| | 72 | With cantilevered arm torch support |
| | 74 | Having adjuvant material feed |
| | 76 | Having torch spacing means |
| | 77 | With torch mounting means |
| | 78 | WITH CONTROL MEANS RESPONSIVE TO SENSED CONDITION |
| | 79 | By treated material sampling means |
| | 80 | With analyzer or computation means |
| | 81 | With means supplying a treating agent |
| | 82 | Correlated flow of diverse fluents |
| | 85 | Individual control of diverse inputs |
| | 86 | By means positioning dispenser |
| | 87 | With temperature sensor |
| | 89 | With pressure sensor |
| | 90 | With means responsive to condition of treated material |
| | 96 | WITH PROGRAMMED, CYCLIC, OR TIME RESPONSIVE CONTROL MEANS |
| | 99 | WITH RECORDING, INDICATING, INSPECTION OR MEASURING MEANS |
| | 101 | HAVING MEANS FOR LEACHING AND SUBSEQUENTLY PRECIPITATING A METAL |
| | 102 | MEANS TREATING A CONTINUUM OF WORK |
| | 114 | HAVING MEANS FOR CONTACTING A SOLID METALLIFEROUS MATERIAL OR METAL OBJECT WITH A LIQUID |
| | 115 | With means changing the shape of a treated object, e.g., roller means |
| | 117 | With means to prevent warping of treated object |
| | 120 | By immersing an article to be treated in bath of molten material, e.g., salt bath |
| | 121 | With heating means, e.g., flame contact |
| | 122 | By means treating metalliferous materials, e.g., ores |
| | 123 | By heating means adapted to be inserted into a hollow object |
| | 124 | By means heating selected areas of an object |
| | 127 | Unitized heating and fluid contact means |
| | 128 | By electric heating means |
| | 130 | Having bath for contacting the work with liquid |
| | 134 | By means contacting only selected areas of treated article with liquid |
| | 135 | WITH CLEANING OR LUBRICATING MEANS |
| | 137 | WITH MEANS TO COMMINUTE OR DISINTEGRATE SOLIDS |
| | 138 | WITH MEANS TO PREHEAT GAS |
| | 139 | Having heat storage means, e.g., checkers, stroves |
| | 140 | By heat generating means |
| | 141 | By remote heat exchanger |
| | 142 | GEOGRAPHIC OR STRUCTURAL INSTALLATION |
| | 144 | WITH MEANS TREATING OR HANDLING GASES EXHAUSTED BY TREATING MEANS |
| | 145 | Having means to treat or handle gases evolving from rotary furnace |
| | 146 | By contacting gas with nonmetallic liquid |
| | 148 | By condensing and collecting a volatile constituent |
| | 149 | Within evacuated chamber |
| | 150 | Having molten metal splashing means |
| | 151 | By cascading material evolving the gas |
| | 152 | By indirect liquid heat exchange means |
| | 153 | Having retort condenser |
| | 154 | Vertical shaft furnace |
| | 155 | With heat exchanger, e.g., waste heat boiler |
| | 156 | By means recycling exhaust gas |
| | 157 | By separating particles from evolved gas |
| | 158 | Hood |
| | 159 | Offtake |
| | 160 | COMBINED OR CONVERTIBLE |
| | 161 | MEANS FOR EXTRACTING AND REFINING METAL |
| | 165 | AMBULANT VESSEL |
| | 166 | TREATING VESSEL WITH DISTINCT MOLTEN MATERIAL HOLDING MEANS, E.G., FOREHEARTH |
| | 167 | THERMITE REACTION VESSEL |
| | 168 | MEANS FOR TREATING ORES OR FOR EXTRACTING METALS |
| | 169 | Amalgam-type extraction means |
| | 170 | By means precipitating metal from solution |
| | 171 | By means applying heat to work, e.g., furnace |
| | 172 | Fluidized zone |
| | 173 | Rotary drum-type furnace |
| | 174 | With safety device |
| | 175 | With separate preheat chamber |
| | 176 | With means for moving solid material to or through heating zone |
| | 177 |  By means for moving charge through zone |
| | 182 | By fluid current |
| | 183 | By power-driven means conveying solid charge into zone |
| | 184 | Bell and hopper type |
| | 185 | With work supporting grate |
| | 186 | With means for feeding fluids |
| | 187 | With flow regulating means |
| | 188 | With common outlet means to feed diverse fluids |
| | 189 | With means to cool fluid feeding means |
| | 190 | With cooling of heating means |
| | 191 | By means cooling material discharge means |
| | 192 | By direct fluid contact |
| | 193 | By means embedded in heating means |
| | 195 | With discharge means |
| | 197 | Shaft-type furnace, e.g., blast furnace |
| | 200 | MEANS FOR MELTING OR VAPORIZING METAL OR TREATING LIQUEFIED METAL |
| | 201 | Slag refining means |
| | 202 | Spray refining means |
| | 203 | By means specialized to puddle metal |
| | 204 | Means applying centrifugal force |
| | 205 | Means to melt and separate metal from mass of diverse constituents |
| | 206 | Means for melting-type material, e.g., Linotype |
| | 207 | By providing, treating or protecting environment, e.g., vacuum |
| | 212 | Refining means with separate metal-melting zone |
| | 213 | Revolving drum-type furnace |
| | 214 | Reverberatory refining vessel, e.g., open hearth |
| | 215 | Continuous refining |
| | 216 | By means introducing treating material |
| | 217 | Gaseous treating material |
| | 227 | By separating metal in a molten mass from undesired material, e.g., slag |
| | 233 | By stirring or mixing molten metal |
| | 236 | With means to discharge molten material |
| | 237 | Including electromagnetic means |
| | 238 | Means for removing residual material |
| | 239 | By changing ambient pressure on material surface, e.g., suction |
| | 240 | With means to tilt heating means |
| | 241 | With means to cool treating means |
| | 242 | Heated melting pot |
| | 243 | Bessemer-type treating vessel |
| | 244 | By mounting vessel to revolve about its longitudinal axis |
| | 245 | With means pivotally mounting vessel |
| | 248 | Horizontal, rotatable, cylindrical type |
| | 249 | MEANS TREATING SOLID METAL |
| | 250 | Having evacuated chamber |
| | 251 | By contact with gas |
| | 252 | With heating means |
| | 253 | Bottom feeding furnace |
| | 254 | With indirect heat-exchange means for gas |
| | 255 | Having work contained in separate, noncommunicating chamber, e.g., muffle |
| | 257 | Having atmosphere generating means within treating zone |
| | 258 | By contacting only selected areas of object |
| | 259 | By cooling of the solid |
| | 261 | By flame contact heating |
| | 262 | Fluid tight heat transferring box shield or hood (e.g., annealing box) |
| | 265 | MEANS FOR INTRODUCING FLUENT INTO VESSEL, E.G., TUYERE |
| | 266 | With flow control means or internal flow guide |
| | 267 | Having means for simultaneously feeding diverse materials |
| | 269 | Having drain means or cleaner insertion means, e.g., punch hole |
| | 270 | Having means preventing damage to introducing means, e.g., wear linings, cooling |
| | 271 | MEANS SEALING OR OPENING APERTURE IN VESSEL |
| | 274 | MEANS FOR HOLDING OR SUPPORTING WORK |
| | 280 | LININGS |
| | 281 | With making or repairing means |
| | 282 | With metallic means to prevent lining abrasion |
| | 283 | Having particular lining element shape |
| | 284 | Having specific grain size |
| | 285 | With means allowing for expansion |
| | 286 | With specific lining enclosing structure |
| | 287 | MISCELLANEOUS |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 900 | METAL MELTING FURNACES, E.G., CUPOLA TYPE |
| | 901 | SCRAP METAL PREHEATING OR MELTING |
| | 902 | BLOWPIPES SPECIALIZED TO TRANSVERSELY CUT OR NOTCH BLOOMS, BILLETS OR BARS |
| | 903 | SAFETY SHIELDS |
| | 904 | BLOWPIPE CUTTING HEADS |
| | 905 | REFRACTORY METAL-EXTRACTING MEANS |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| DIGESTS | ||
| | DIG1 | REPAIR OR RESTORATION OF APPARATUS |