| Class 55 | GAS SEPARATION |
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| Class 55 is an integral part of this Class (Class 96), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. | ||
![[List of Pre Grant Publications for class 55 subclass 282]](../as.gif) | ![[List of Patents for class 55 subclass 282]](../ps.gif) | 282 | WITH NONLIQUID CLEANING MEANS FOR SEPARATING MEDIA |
| | 282.1 |  Having insulation |
| | 282.2 | With heating or cooling means |
| | 283 | With automatic control of cleaning means |
| | 284 | With sequential cleaning of plural units |
| | 288 | Interdependent or interoperated gas flow cutoff or apparatus shutdown and media cleaning |
| | 289 | Interdigitated comb and separating media |
| | 290 | For moving indefinite or continuous length separating media |
| | 291 | Plural diverse cleaning means |
| | 292 | Sonic type |
| | 293 | With separating media pneumatically vibrated or flexed |
| | 294 | Relatively movable pneumatic nozzle (e.g., scanning nozzle) |
| | 295 | Solid agent cleaning member movingly contacts apparatus |
| | 296 |  Agent has defined traversing motion relative to separating media |
| | 297 |  With motion effecting means interrelated with separating operation |
| | 299 | With resulting flexing or distortion of resilient or collapsible separating media |
| | 300 | Vibrating, jarring, or rapping means |
| | 301 | Cohesive filter media cleaning |
| | 306 | AIRCRAFT ANTI-INGESTION MEANS (E.G., AIRCRAFT DEBRIS GUARD) |
| | 307 | FILTER OR APERTURED DEFLECTOR UNIT DISCONTINUOUS ACROSS GAS FLOW WITHIN FLOW CONDUIT |
| | 309 | WITH SEPARATING MEDIA BYPASS OR SYSTEM GAS PRESSURE RELIEF (E.G., RUPTURABLE OR DEFORMABLE) |
| | 309.1 | With heating or cooling means |
| | 310 | Pressure relief means to or from atmosphere |
| | 312 | Valved bypass means |
| | 315 | PLURAL SERIAL BASICALLY DIVERSE SEPARATING MEDIA |
| | 315.1 | With heating or cooling means or having insulation |
| | 317 | At least one mounted for continuous motion |
| | 318 | Plural stages in unitary casing |
| | 319 | Including expansion chamber |
| | 320 | Deflector and fibrous, filamentary, particulate solids, or cohesive sheet filter type |
| | 321 | Multiple of one type in series of parallel in flow path |
| | 322 |  Serially spaced with at least one of other type intermediately positioned |
| | 323 | Filters |
| | 325 | Serially spaced deflectors |
| | 327 | Filter is most upstream |
| | 328 | Movable or movable mounted for adjustment or nonuse |
| | 329 | Filamentary brush type or fibrous mass |
| | 331 | Conical deflector with curved or parabolic radially extending wide downstream end |
| | 332 | Cohesive sheet-like filter |
| | 338 | WITH RECYCLE MEANS |
| | 341.1 | MULTIPLE BAG TYPE FILTERS IN CHAMBER |
| | 341.11 | With heating or cooling means or having insulation |
| | 341.2 | Gas flow from inside to outside of filter |
| | 341.5 | Modular compartments |
| | 341.6 | Partitioned bag filter chamber |
| | 341.7 | Horizontally mounted filters |
| | 342 | MULTIPLE SEPARATORS, EACH WITH DISCRETE AND LONGITUDINALLY CONFINED GAS INLET OR OUTLET FLOW PATH |
| | 342.1 | With heating or cooling means or having insulation |
| | 343 | Combined serial and parallel arrangement |
| | 344 | With flow equalizing, controlling, or distributing means |
| | 345 | Centrifugal |
| | 350.1 | Filters |
| | 351 | WITH MEANS FOR ADVANCING CLEAN PORTIONS OF CONTINUOUS OR INDEFINITE LENGTH SEPARATING MEDIA INTO GAS STREAM |
| | 352 | Advancing means initiated by flow, pressure, or pressure differential of gas |
| | 353 | Multiple distinct units |
| | 354 | Indefinite or running length |
| | 355 | WITH LIQUID TRAP SEAL OR VALVE |
| | 356 | WITH MEANS FACILITATING TRANSPORTABILITY OR HANDLING OF APPARATUS |
| | 358 | WITH GROUND SUPPORT MEANS (NONFLOW CONDUCTING) |
| | 359 | WITH PORTION OF COVER REMOVABLE |
| | 360 | WITH ELECTRICAL GROUNDING MEANS |
| | 361 | FLEXIBLE OR COLLAPSIBLE BAG TYPE |
| | 362 | With bag ejecting means |
| | 363 | Toroidal or annular bag |
| | 364 | Impervious bag with pervious portion |
| | 365 | Bag carried strain relief means between bag supports |
| | 366 | With separable nonfiltering residue container |
| | 367 | Valved, self-closing, or apparatus contained bag closing means |
| | 368 | Spaced interior inflow path or with means modifying gas flow in bag |
| | 369 | Closure means other than coupler to flow line for filter or cover bag |
| | 372 | With additional nonbag type filter |
| | 373 | Housing closure secures bag |
| | 374 | With flow line coupling means |
| | 378 | With securing or supporting means |
| | 380 | Nested bags or folded wall with spaced or unsecured faces |
| | 381 | Seaming, reinforcing or bag structure |
| | 383 | WITH REMOTE FAN OR PUMP AND UNCONFINED FLOW TO SEPARATOR |
| | 385.1 | COMBINED OR CONVERTIBLE |
| | 385.2 | In environmental air enclosure |
| | 385.3 | In motor vehicle |
| | 385.4 | In vented container |
| | 385.5 | Involving mining or metallurgical apparatus |
| | 385.6 | Involving communication receiving or transmitting apparatus |
| | 385.7 | Involving shielding apparatus |
| | 385.8 | Involving ash tray |
| | 391 | RESTRICTED ANNULAR MIXTURE INLET TO COLLECTOR ZONE AROUND GAS OUTLET CONDUIT ATTACHED BAFFLE |
| | 392 | WITH GUIDE MEANS EFFECTING REMOVAL OF CONSTITUENT LAYER OUT OF GAS STREAM |
| | 392.1 | With heating or cooling means |
| | 393 | Movably mounted for adjustment |
| | 394 | At escape means for heavier constituent |
| | 395 | And separable residue receptacle |
| | 396 | Annular outlet around gas outflow path |
| | 397 | Spaced, overlapped walls |
| | 398 | Plural, angularly spaced |
| | 399 | Spiral guide |
| | 400 | MOUNTED OR SUPPORTED FOR CONTINUOUS MOTION |
| | 401 | Plural distinct separating media or stages |
| | 404 | Moved by system fluid in confined flow path |
| | 406 | Differentially deflected system fluid constituents |
| | 410 | WITH SEPARATED GAS OUTFLOW CONTROL (E.G., APERTURED CONDUIT) |
| | 410.1 | With heating or cooling means |
| | 411 | Movable gas outlet conduit |
| | 413 | Baffle or flow guide |
| | 417 | Valve |
| | 418 | WITH INFLOW GAS CONTROL OR DISTRIBUTION |
| | 421 | WITH MEANS FOR LIQUID SEPARATION |
| | 422 | SEPARATING MEDIA ADJUSTABLE TO VARIOUS POSITIONS OF USE OR TO NONUSE |
| | 423 | MEANS WITHIN GAS STREAM FOR CONDUCTING CONCENTRATE TO COLLECTOR |
| | 424 | WITH CONCENTRATE BACKFLOW OR RE-ENTRAINMENT PREVENTING MEANS |
| | 425 | Closure between separating and collecting zones |
| | 426 | Baffle intermediate concentrate collector zone and gas outlet conduit |
| | 428 | RESIDUE ACCESS, HANDLING OR REMOVING MEANS |
| | 428.1 | With heating or cooling means |
| | 429 | Separable collection container |
| | 430 | With means effecting or assisting discharge of residue (e.g., endless belt) |
| | 432 | With movable or manipulable means controlling escape of residue |
| | 434 | DEFLECTOR |
| | 434.1 | Having insulation |
| | 434.2 | With heating or cooling means |
| | 435 | Wear liners or surface characteristics (e.g., anti-erosion) |
| | 436 | Removably supported deflector surface |
| | 437 | With gas pump or fan |
| | 440 | Parallel and continuous nonplanar members (e.g., crimped, corrugated, curved) |
| | 441 | Concentric, nested conduits with closed and open ends for flow reversal |
| | 442 | Plural deflectors overlapped and spaced serially in gas flow |
| | 443 | Plural deflectors in row across gas flow |
| | 445 | Deflectors apertured or closely spaced from flow path wall |
| | 447 | Fixed gas whirler or rotator means |
| | 448 | With outlet gas conduit wall common to surrounding gas inlet or concentrate outlet or collector |
| | 452 | With plural concentrate outlets in arcuate, axially extending whirl chamber wall |
| | 453 | With concentrate outlet means in one of parallel plates mounting spaced whirler vanes |
| | 454 | With tangential concentrate outlet pipe |
| | 455 | Plural nonradial gas passages in peripheral wall (e.g., tuyere) |
| | 456 | Helical vane or baffle within flow conduit |
| | 458 | Inflow pipe projects within casing |
| | 459.1 | Tangential gas inlet opening in casing |
| | 459.2 | Inclined inflow |
| | 459.3 | Scroll |
| | 459.4 | Inflow nozzle or vane |
| | 459.5 | Varying inlet area |
| | 460 | With tangential gas outlet |
| | 461 | Continuous confined flow path |
| | 462 | Impingement baffle |
| | 466 | WITH SEPARATED NONGASEOUS MATERIAL CONDUCTING OR TREATING MEANS |
| | 467 | WITH GAS FLOW EFFECTING MEANS |
| | 467.1 | With heating or cooling means |
| | 468 | Injector or jet pump type |
| | 469 | Manual, weight, or traction operated gas pump |
| | 470 | Plurality of impellers arranged in parallel or performing diverse functions |
| | 471 | Impeller within or proximate to space encompassed by separating media |
| | 472 | Upright or multichambered casing |
| | 473 | Impeller upstream of separating media |
| | 474 | WITH PARTICULATE SOLIDS MOVEMENT DURING USE OR AGITATING MEANS THEREFOR |
| | 475 | WITH MEANS ADJUSTABLE TO CONTROL COMPACTNESS OF SEPARATING MEDIA |
| | 476 | WITH MEANS INTRODUCING GAS INTO MIDST OF SEPARATING MEDIA |
| | 477 | STRANDS OR BRISTLES WITH UNSUPPORTED OR FREE EXTREMITIES (E.G., BRUSH TYPE) |
| | 478 | WITH SEPARATE FLOW LINE ACCESS MEANS OR FILTER MEDIA PASSAGE MEANS OFFSET TO FLOW PATH |
| | 479 | For discrete filter particles |
| | 480 | Access means is clamping or coupling means for unit filter media |
| | 481 | Unit transversely slidable through flow path |
| | 482 | TWO OR MORE SEPARATORS (E.G., SPACED FILTERS IN FLOW LINE OR CASING) |
| | 482.1 | With heating or cooling means |
| | 483 | With framework for edge to edge relation |
| | 484 | Spaced for parallel flow of gas |
| | 485 | Three or more serially spaced |
| | 486 | Plies or layers of different characteristics or orientation |
| | 490 | WITH MEANS SECURING OR RETAINING SEPARATING MEDIA |
| | 490.1 | With heating or cooling means |
| | 491 | Fastening means pierces or penetrates media |
| | 492 | Internal frame or support means |
| | 493 | Hinged or pivoted retainer or clamp on backing frame or in flow line |
| | 494 | Grid or tray type for bottom support only |
| | 495 | Unit or cohesive sheet-like media in flow line or frame |
| | 496 | With adjustable connector or size adjusting means |
| | 497 | Edge supporting or securing means for nonplanar sheet form filter (e.g., zigzag) |
| | 500 | Flexible sheet type maintained in nonplanar configuration |
| | 501 | With additional support means not positively engaged or joined to media (e.g., across face of filter) |
| | 502 | Gasket or sealing means |
| | 503 | Media within joinable or separable flow line sections |
| | 504 | Aligned stop, media and removable retainer |
| | 505 | Flow line end coupling (e.g., pipe end) |
| | 508 | Suspended or supported by bracket or from top of frame |
| | 509 | Distorted media in flow line or resilient retaining means |
| | 510 | Annular unit held between dished or plate-like end members for top and bottom support |
| | 511 | Edge supported or secured only |
| | 512 | Discrete fibrous or particulate solids |
| | 520 | SPIRAL FILTER MEDIA |
| | 521 | ZIGZAG, CORRUGATED, OR CONICAL |
| | 522 | SPECIFIC MEDIA MATERIAL |
| | 523 | Ceramic or sintered |
| | 524 | With coating, impregnant, or bonding agent |
| | 525 | Metal mesh or expanded material |
| | 527 | Fibrous or strand form |
| | 529 | MISCELLANEOUS (E.G., SHAPES) |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| DIGESTS | ||
| | DIG1 | GRADUATED ELECTROSTATIC FIELD |
| | DIG2 | VACUUM CLEANER BAGS |
| | DIG3 | VACUUM CLEANER |
| | DIG5 | METHODS OF MAKING FILTER |
| | DIG6 | MAGNETIC COUPLINGS |
| | DIG7 | BLACK LIQUOR TREATMENT |
| | DIG8 | BUILT-IN VACUUM CLEANERS |
| | DIG9 | RADIOACTIVE FILTERS |
| | DIG10 | RESIDUE BURNED |
| | DIG12 | POCKET TYPE FILTER |
| | DIG13 | POLYURETHANE FILTERS |
| | DIG14 | INERTIA SEPARATOR |
| | DIG15 | COLD TRAPS |
| | DIG17 | COMPRESSED AIR WATER REMOVAL |
| | DIG18 | WORK BENCH |
| | DIG19 | CRANKCASE VENTILATION |
| | DIG20 | SPARK ARRESTER |
| | DIG21 | SILENCER CLEANER |
| | DIG23 | STEAM SEPARATORS |
| | DIG24 | VISCOUS COATED FILTER |
| | DIG25 | AGGLOMERATORS |
| | DIG26 | BAG COUPLING |
| | DIG27 | CLEANERS, LIQUID |
| | DIG28 | CARBURETOR ATTACHED |
| | DIG29 | AIR CURTAINS |
| | DIG30 | EXHAUST TREATMENT |
| | DIG31 | FILTER FRAME |
| | DIG32 | GASEOUS FLUID CONVEYING |
| | DIG33 | GAS MASK CANISTER |
| | DIG34 | INDICATOR AND CONTROLLERS |
| | DIG35 | RESPIRATORS AND REGISTER FILTERS |
| | DIG36 | KITCHEN HOODS |
| | DIG37 | LOUVERS |
| | DIG38 | TUBULAR COLLECTOR ELECTRODE |
| | DIG39 | ELECTRETS SEPARATOR |
| | DIG42 | FOAM FILTER MATERIALS |
| | DIG43 | KNITTED FILTER MEDIUMS |
| | DIG44 | PILE AND PILE-TYPE FILTER MEDIUMS |
| | DIG45 | WOVEN FILTER MEDIUMS |
| | DIG46 | SPRAY BOOTHS |