| Class 37 | EXCAVATING |
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![[List of Pre Grant Publications for class 37 subclass 300]](../as.gif) | ![[List of Patents for class 37 subclass 300]](../ps.gif) | 300 | GRAVE DIGGER |
| | 301 | LAND CLEARER |
| | 3 | PEAT EXCAVATORS |
| | 196 | SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE |
| | 197 |  Process |
| | 198 | Railway clearer |
| | 199 |  With melter |
| | 201 | Explosive |
| | 202 | Fluid current conveyor |
| | 203 | For clearing single rail of set |
| | 204 |  Electrified rail |
| | 205 | Including rotary excavating tool |
| | 207 | Including means clearing side of, or groove in, rail |
| | 208 | With endless conveyor |
| | 209 | Having rotary excavating tool |
| | 214 | Having scraper blade |
| | 219 | Snow or ice surface groomer |
| | 225 | With compressor die |
| | 227 | With melter |
| | 231 | With specific means to facilitate connection to, or disconnection from, vehicle |
| | 232 | Vehicle mount with obstacle responsive trip, or yieldable tool (e.g., brush) |
| | 234 | Including specific hydraulic control system to position implement |
| | 235 | Vehicle mount including power lift |
| | 237 | With endless conveyor |
| | 241 | Combined or convertible |
| | 244 | Motorized rotary excavating tool |
| | 245 | Tool arresting means responsive to sensed condition |
| | 246 | Electric motor drive |
| | 247 | Rotor shaft adjustable relative to direction of travel |
| | 248 | Diverse multistage rotary tools or tool portions (e.g., feeding and throwing, etc.) |
| | 253 | Fed by scraper blade |
| | 257 | Screw-type auger |
| | 259 | Centrifugal impeller |
| | 260 | Having specific flow guide |
| | 263 | Tool prepares wheel path for passage of wheel |
| | 264 | Scoop |
| | 266 | Scraper blade |
| | 267 | Invertible |
| | 268 | Pulled (e.g., by horse or vehicle) |
| | 270 | Mounted on surface contacting support or guide |
| | 272 | V-shaped |
| | 273 | Adjustable or collapsible apex |
| | 274 | And auxiliary wing or extension |
| | 276 | Diverging forwardly |
| | 277 | Supported on inclined plane |
| | 278 | Manually powered |
| | 279 | Diagonally oriented |
| | 285 | Manually powered |
| | 304 | SELF-LOADING VEHICLE |
| | 307 | BENEATH A BODY OF WATER (E.G., DREDGER) |
| | 308 | With signal, scale, indicator, or inspection means |
| | 309 | With means to control dredger operation (e.g., movement of dredged material) in response to sensed condition |
| | 313 | By use of submarine or undersea vessel |
| | 314 | Adapted to excavate specific discrete material |
| | 317 | Suction |
| | 318 | Having intake screen |
| | 320 | With pumping chamber |
| | 321 | With means to introduce lift agent directly into suction pipe |
| | 323 | With fluid jet digger adjacent suction inlet |
| | 324 | Including driven digger adjacent suction inlet (e.g., cutterhead dredger) |
| | 325 | With specific bearing, or means to lubricate or seal |
| | 326 | Rotary |
| | 329 |  Axis transverse with respect to suction pipe |
| | 330 | Axis vertical with respect to surface of body of water |
| | 331 | Axis longitudinal with respect to suction pipe |
| | 327 | Specific cutterhead structure |
| | 332 | Endless |
| | 333 | Draghead dredger (e.g., dustpan dredger) |
| | 334 | With pipe suspension or support (e.g., ladder structure) |
| | 335 | Pipe or nozzle structure |
| | 337 | Rotary digger (e.g., bucket wheel) |
| | 338 | Endless |
| | 340 | Grab |
| | 341 | Scoop or bucket |
| | 342 | With means to scour or scrape (e.g., propeller means, digging teeth, plow) |
| | 345 | With vessel, propulsion, or anchor structure (e.g., bank spud, spud brace) |
| | 347 | DITCHER |
| | 348 | Condition responsive |
| | 349 | With crumber |
| | 350 | Having screw digger |
| | 352 | Having endless digger |
| | 364 | With side or auxiliary cutter |
| | 91 | Wheel excavator |
| | 366 | Plow |
| | 367 | Slit ditcher |
| | 370 | Mole plow |
| | 372 | With plow supported wheel or supported on wheel frame |
| | 373 | With conveyor |
| | 378 | With colter |
| | 379 | Shovel or scoop |
| | 104 | RAILWAY GRADERS |
| | 381 | ROAD GRADER-TYPE |
| | 382 | Condition responsive |
| | 383 | Including ground supported, grader guiding rail |
| | 386 | Rotary digger |
| | 388 | Transverse endless digger |
| | 389 | Plow with transverse endless conveyor |
| | 391 | Plow with transverse conveyor wheel |
| | 393 | Plow with inclined axis conveyor wheel |
| | 394 | CABLE-OPERATED (E.G., DRAGLINE) |
| | 395 | Boom-type |
| | 396 | Including means to control digging, hoisting, and dumping |
| | 397 | Including mounting or support structure (e.g., boom support, sheave or pulley support) |
| | 398 | Scoop or bucket |
| | 400 | Trolley-supported |
| | 403 | COMBINED OR CONVERTIBLE |
| | 468 | Having quick-connect coupling |
| | 404 | Combined with subsoiler |
| | 405 | Combined with fork or rake |
| | 406 | Combined with clamp, grapple, or shear |
| | 407 | With scraper |
| | 411 | SCOOP OR EXCAVATING AND TRANSPORTING CONTAINER |
| | 413 | With alarm, indicator, signal, or inspection means |
| | 412 | Supported on vehicle between longitudinally spaced ground supports |
| | 414 | Condition responsive or programmable means controls the excavating operation |
| | 415 | Control of attitude or depth of cut |
| | 416 | Control of scoop component (e.g., elevator, apron, or ejector) |
| | 417 | With specific suspension or means to steer or facilitate mounting of implement on vehicle |
| | 418 | With tandem or plural scoops or compartments |
| | 419 | With means to aid loading or load distribution |
| | 424 | With coaction between apron or elevator and bowl |
| | 426 | With coaction between apron or elevator and ejector |
| | 427 | With significant bowl structure or manipulation |
| | 429 | With significant apron structure or manipulation |
| | 431 | With particular unloading feature |
| | 435 | Mounted rearwardly of vehicle |
| | 467 | Handled or hand operated |
| | 436 | Bowl operatively connected to wheel axle |
| | 441 | Dumping runner or revolving-type |
| | 434 | Manually operated (e.g., two-wheel barrow) |
| | 442 | Pushed forwardly of vehicle for filling |
| | 443 | Dipper-type (e.g., backhoe bucket) |
| | 444 | Scoop or bucket structure, per se |
| | 446 | DIGGING EDGE |
| | 447 | Oscillating or reciprocating |
| | 448 | Corner guard (e.g., corner tooth) |
| | 449 | Repositionable digging edge (e.g., reversible) |
| | 450 | Removable digging edge having integral tooth adaptor |
| | 451 | Distinct wear element mounted between teeth |
| | 452 | Tooth or adaptor |
| | 453 | Having wear cap |
| | 454 | Repositionable or replaceable tooth (e.g., reversible) |
| | 455 | Mounting or retaining means |
| | 460 | Specific material (e.g., specialty steel, heat treatment of material, specific hardness test) |
| | 142.5 | DITCH FILLER |
| | 182 | ORANGE-PEEL BUCKETS |
| | 461 | CLAMSHELL BUCKET |
| | 189 | ROTARY DIGGER |
| | 462 | ENDLESS DIGGER |
| | 195 | PROCESSES |
| | 466 | MISCELLANEOUS |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 901 | BUCKET CLEANERS |
| | 902 | HYDRAULIC MOTORS |
| | 903 | SCOOP OR SCRAPER ATTACHMENTS |
| | 904 | VIBRATION MEANS FOR EXCAVATING TOOL |
| | 905 | NONDREDGE EXCAVATING BY FLUID CONTACT OR EXPLOSION |
| | 906 | VISUAL AIDS AND INDICATORS FOR EXCAVATING TOOL |
| | 907 | AUTOMATIC LEVELING EXCAVATORS |
| | 908 | CANAL CLEANERS |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |