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Class Information
Number: 55
Name: Gas separation >
Description:










Class Number Class Name No. of Patents
55/DIG.25

Agglomerators

103
55/DIG.29

Air curtains

111
55/306

Aircraft anti-ingestion means (e.g., aircraft debris guard)

113
55/DIG.26

Bag coupling

35
55/DIG.7

Black liquor treatment

0
55/DIG.8

Built-in vacuum cleaners

13
55/DIG.28

Carburetor attached

200
55/DIG.27

Cleaners, liquid

3
55/DIG.15

Cold traps

44
55/385.1

Combined or convertible

780
55/385.2

In environmental air enclosure

630
55/385.3

In motor vehicle

1184
55/385.4

In vented container

231
55/385.8

Involving ash tray

27
55/385.6

Involving communication receiving or transmitting apparatus

181
55/385.5

Involving mining or metallurgical apparatus

62
55/385.7

Involving shielding apparatus

27
55/DIG.17

Compressed air water removal

257
55/DIG.19

Crankcase ventilation

89
55/434

Deflector

100
55/441

Concentric, nested conduits with closed and open ends for flow reversal

56
55/447

Fixed gas whirler or rotator means

178
55/461

Continuous confined flow path

101
55/456

Helical vane or baffle within flow conduit

135
55/457

Between gas flow path wall and central core

242
55/458

Inflow pipe projects within casing

37
55/455

Plural nonradial gas passages in peripheral wall (e.g., tuyere)

46
55/459.1

Tangential gas inlet opening in casing

875
55/459.2

Inclined inflow

52
55/459.4

Inflow nozzle or vane

61
55/459.3

Scroll

72
55/459.5

Varying inlet area

51
55/460

With tangential gas outlet

56
55/453

With concentrate outlet means in one of parallel plates mounting spaced whirler vanes

3
55/448

With outlet gas conduit wall common to surrounding gas inlet or concentrate outlet or collector

22
55/449

Gas inlet and outlet have common wall

49
55/450

With outlet from collector

25
55/451

Tangential outlet pipe

15
55/452

With plural concentrate outlets in arcuate, axially extending whirl chamber wall

59
55/454

With tangential concentrate outlet pipe

24
55/434.1

Having insulation

22
55/462

Impingement baffle

216
55/463

Conical with apex facing upstream

89
55/464

Corrugated, ribbed, crimped, or with projections

85
55/465

Planar

183
55/440

Parallel and continuous nonplanar members (e.g., crimped, corrugated, curved)

207
55/442

Plural deflectors overlapped and spaced serially in gas flow

107
55/445

Deflectors apertured or closely spaced from flow path wall

72
55/446

Space or aperture opposed by solid deflector surface

134
55/443

Plural deflectors in row across gas flow

111
55/444

Deflectors in alternate rows aligned (i.e., staggered)

149
55/436

Removably supported deflector surface

38
55/435

Wear liners or surface characteristics (e.g., anti-erosion)

93
55/437

With gas pump or fan

65
55/439

Downstream of separator

67
55/438

Within separator

53
55/434.2

With heating or cooling means

58
55/434.3

Two confined fluids in indirect contact

14
55/434.4

Heat exchanger is part of separator or is contiguous therewith

68
55/DIG.39

Electrets separator

188
55/DIG.30

Exhaust treatment

1080
55/DIG.31

Filter frame

376
55/307

Filter or apertured deflector unit discontinuous across gas flow within flow conduit

37
55/308

Multiple members serially spaced in flow conduit

29
55/361

Flexible or collapsible bag type

68
55/365

Bag carried strain relief means between bag supports

7
55/369

Closure means other than coupler to flow line for filter or cover bag

44
55/370

Use position residue removal means

6
55/371

Inner filter bag removal

11
55/373

Housing closure secures bag

64
55/364

Impervious bag with pervious portion

19
55/380

Nested bags or folded wall with spaced or unsecured faces

67
55/381

Seaming, reinforcing or bag structure

147
55/382

Multi-ply, strata, or laminated

101
55/368

Spaced interior inflow path or with means modifying gas flow in bag

38
55/363

Toroidal or annular bag

12
55/367

Valved, self-closing, or apparatus contained bag closing means

64
55/372

With additional nonbag type filter

42
55/362

With bag ejecting means

5
55/374

With flow line coupling means

99
55/376

Coupling part inseparable from bag

51
55/377

Resilient or expansible

65
55/375

Flexible conduit joins line to bag

23
55/378

With securing or supporting means

294
55/379

Bag internally supported

193
55/366

With separable nonfiltering residue container

34
55/DIG.42

Foam filter materials

54
55/DIG.33

Gas mask canister

76
55/DIG.32

Gaseous fluid conveying

10
55/DIG.1

Graduated electrostatic field

8
55/DIG.34

Indicator and controllers

167
55/DIG.14

Inertia separator

88
55/DIG.36

Kitchen hoods

277
55/DIG.43

Knitted filter mediums

32
55/DIG.37

Louvers

39
55/DIG.6

Magnetic couplings

12
55/423

Means within gas stream for conducting concentrate to collector

200
55/DIG.5

Methods of making filter

724
55/529

Miscellaneous (e.g., shapes)

224
55/400

Mounted or supported for continuous motion

155
55/406

Differentially deflected system fluid constituents

207
55/407

Concentrate flow groove, guide, or channel on moving member

76
55/408

Separated gas conducted axially through rotating member

79
55/409

Hollow shaft

75
55/404

Moved by system fluid in confined flow path

59
55/405

Fluid flow normal to axis of moving member

37
55/401

Plural distinct separating media or stages

73
55/402

Overlapping moving separators

11
55/403

Plural moving separators serially arranged

45
55/341.1

Multiple bag type filters in chamber

264
55/341.2

Gas flow from inside to outside of filter

62
55/341.4

Horizontally mounted filters

8
55/341.3

Modular compartments

14
55/341.7

Horizontally mounted filters

21
55/341.5

Modular compartments

15
55/341.6

Partitioned bag filter chamber

20
55/341.11

With heating or cooling means or having insulation

13
55/342

Multiple separators, each with discrete and longitudinally confined gas inlet or outlet flow path

86
55/345

Centrifugal

307
55/346

Parallel

166
55/347

Gas inlet and outlet at linearly opposite ends of separating zone

79
55/348

Plural gas inflow openings, slots, or whirl vanes in each separator

112
55/349

Tangential inlet to each separator

190
55/343

Combined serial and parallel arrangement

221
55/350.1

Filters

165
55/344

With flow equalizing, controlling, or distributing means

87
55/342.1

With heating or cooling means or having insulation

13
55/342.2

Heat exchanger is part of separator or is contiguous therewith

20
55/DIG.44

Pile and pile-type filter mediums

18
55/315

Plural serial basically diverse separating media

170
55/317

At least one mounted for continuous motion

51
55/318

Plural stages in unitary casing

194
55/320

Deflector and fibrous, filamentary, particulate solids, or cohesive sheet filter type

208
55/332

Cohesive sheet-like filter

61
55/334

Bag type

50
55/335

Including imperforate upstream bag end deflector

16
55/336

Conical

23
55/337

Cyclone or centrifugal whirl type deflector

769
55/333

Multiple contiguous layers or coils with radial gas flow

18
55/331

Conical deflector with curved or parabolic radially extending wide downstream end

27
55/329

Filamentary brush type or fibrous mass

30
55/330

Tubular or annular for radial gas flow

54
55/327

Filter is most upstream

63
55/328

Movable or movable mounted for adjustment or nonuse

20
55/321

Multiple of one type in series of parallel in flow path

74
55/323

Filters

145
55/324

In parallel

77
55/325

Serially spaced deflectors

63
55/326

With connected trough or channel

22
55/322

Serially spaced with at least one of other type intermediately positioned

53
55/319

Including expansion chamber

206
55/315.1

With heating or cooling means or having insulation

41
55/315.2

Heat exchanger is part of separator or is contiguous therewith

42
55/DIG.12

Pocket type filter

45
55/DIG.13

Polyurethane filters

30
55/DIG.9

Radioactive filters

69
55/428

Residue access, handling or removing means

273
55/429

Separable collection container

558
55/428.1

With heating or cooling means

20
55/430

With means effecting or assisting discharge of residue (e.g., endless belt)

106
55/431

Gaseous or liquid

166
55/432

With movable or manipulable means controlling escape of residue

167
55/433

Manually actuated

93
55/DIG.10

Residue burned

284
55/DIG.35

Respirators and register filters

174
55/391

Restricted annular mixture inlet to collector zone around gas outlet conduit attached baffle

27
55/422

Separating media adjustable to various positions of use or to nonuse

125
55/DIG.21

Silencer cleaner

24
55/DIG.20

Spark arrester

27
55/522

Specific media material

347
55/523

Ceramic or sintered

1275
55/527

Fibrous or strand form

513
55/528

Organic (e.g., vegetable)

621
55/525

Metal mesh or expanded material

241
55/526

Wadded or compressed

51
55/524

With coating, impregnant, or bonding agent

1207
55/520

Spiral filter media

164
55/DIG.46

Spray booths

222
55/DIG.23

Steam separators

27
55/477

Strands or bristles with unsupported or free extremities (e.g., brush type)

37
55/DIG.38

Tubular collector electrode

94
55/482

Two or more separators (e.g., spaced filters in flow line or casing)

557
55/486

Plies or layers of different characteristics or orientation

738
55/487

Differing mesh sizes

483
55/489

Orientation of elements

90
55/488

Variation in shape or size

90
55/484

Spaced for parallel flow of gas

585
55/485

Three or more serially spaced

286
55/483

With framework for edge to edge relation

191
55/482.1

With heating or cooling means

26
55/DIG.2

Vacuum cleaner bags

177
55/DIG.3

Vacuum cleaner

762
55/DIG.24

Viscous coated filter

20
55/424

With concentrate backflow or re-entrainment preventing means

164
55/426

Baffle intermediate concentrate collector zone and gas outlet conduit

216
55/427

Adjustably mounted

21
55/425

Closure between separating and collecting zones

15
55/360

With electrical grounding means

40
55/467

With gas flow effecting means

539
55/473

Impeller upstream of separating media

364
55/471

Impeller within or proximate to space encompassed by separating media

357
55/468

Injector or jet pump type

55
55/469

Manual, weight, or traction operated gas pump

9
55/470

Plurality of impellers arranged in parallel or performing diverse functions

53
55/472

Upright or multichambered casing

344
55/467.1

With heating or cooling means

67
55/358

With ground support means (nonflow conducting)

27
55/392

With guide means effecting removal of constituent layer out of gas stream

72
55/394

At escape means for heavier constituent

97
55/395

And separable residue receptacle

22
55/396

Annular outlet around gas outflow path

155
55/398

Plural, angularly spaced

51
55/397

Spaced, overlapped walls

32
55/393

Movably mounted for adjustment

15
55/399

Spiral guide

69
55/392.1

With heating or cooling means

8
55/418

With inflow gas control or distribution

377
55/420

Check valve

103
55/419

Multiple inlets

211
55/418.1

With heating or cooling means or having insulation

17
55/355

With liquid trap seal or valve

76
55/475

With means adjustable to control compactness of separating media

46
55/356

With means facilitating transportability or handling of apparatus

312
55/357

Handle feature for apparatus or part thereof

166
55/351

With means for advancing clean portions of continuous or indefinite length separating media into gas stream

64
55/352

Advancing means initiated by flow, pressure, or pressure differential of gas

32
55/354

Indefinite or running length

70
55/353

Multiple distinct units

19
55/421

With means for liquid separation

74
55/476

With means introducing gas into midst of separating media

52
55/490

With means securing or retaining separating media

202
55/512

Discrete fibrous or particulate solids

99
55/515

Foraminous container

65
55/514

Fused or bonded to a supporting or backing member

100
55/516

Held between openwork

50
55/518

Between perforated plates

100
55/519

Between reticulated end closures

26
55/517

Between telescoped or nonplanar retainers

39
55/513

Resilient securing means

38
55/491

Fastening means pierces or penetrates media

101
55/494

Grid or tray type for bottom support only

52
55/493

Hinged or pivoted retainer or clamp on backing frame or in flow line

329
55/492

Internal frame or support means

193
55/495

Unit or cohesive sheet-like media in flow line or frame

314
55/504

Aligned stop, media and removable retainer

197
55/510

Annular unit held between dished or plate-like end members for top and bottom support

344
55/509

Distorted media in flow line or resilient retaining means

165
55/511

Edge supported or secured only

347
55/497

Edge supporting or securing means for nonplanar sheet form filter (e.g., zigzag)

482
55/498

Spiral or cylindrical

962
55/499

With additional transversely arranged members

176
55/500

Flexible sheet type maintained in nonplanar configuration

319
55/505

Flow line end coupling (e.g., pipe end)

204
55/506

Flange or track on flow line for slidably retaining media

166
55/507

Resilient attaching means

152
55/502

Gasket or sealing means

1236
55/503

Media within joinable or separable flow line sections

416
55/508

Suspended or supported by bracket or from top of frame

184
55/501

With additional support means not positively engaged or joined to media (e.g., across face of filter)

317
55/496

With adjustable connector or size adjusting means

140
55/490.1

With heating or cooling means

30
55/490.2

Two confined fluids in indirect contact

21
55/282

With nonliquid cleaning means for separating media

103
55/301

Cohesive filter media cleaning

83
55/304

Filter manipulation, shaking or flexing for precluding or removing encrustation

143
55/305

Attendant actuated manipulating means

35
55/302

Pneumatic reverse flushing

662
55/303

Draft diverted from one side of filter to other

57
55/290

For moving indefinite or continuous length separating media

120
55/282.1

Having insulation

4
55/288

Interdependent or interoperated gas flow cutoff or apparatus shutdown and media cleaning

61
55/289

Interdigitated comb and separating media

35
55/291

Plural diverse cleaning means

45
55/294

Relatively movable pneumatic nozzle (e.g., scanning nozzle)

164
55/295

Solid agent cleaning member movingly contacts apparatus

61
55/296

Agent has defined traversing motion relative to separating media

65
55/297

With motion effecting means interrelated with separating operation

20
55/298

Gas flow actuates member

12
55/299

With resulting flexing or distortion of resilient or collapsible separating media

29
55/300

Vibrating, jarring, or rapping means

120
55/292

Sonic type

29
55/283

With automatic control of cleaning means

303
55/282.2

With heating or cooling means

105
55/282.3

Residue burned

257
55/282.4

Two confined fluids in indirect contact

7
55/282.5

Heat exchanger is part of separator or is contiguous therewith

18
55/293

With separating media pneumatically vibrated or flexed

58
55/284

With sequential cleaning of plural units

85
55/285

Ferris wheel type filter unit arrangement

12
55/286

With gas flow arresting means

13
55/287

Interconnected with cleaning means

73
55/474

With particulate solids movement during use or agitating means therefor

105
55/359

With portion of cover removable

42
55/338

With recycle means

112
55/339

For concentrate entrained in effluent gas outlet means

24
55/340

Return conduit is external of apparatus

64
55/338.1

With heating or cooling means

10
55/383

With remote fan or pump and unconfined flow to separator

18
55/478

With separate flow line access means or filter media passage means offset to flow path

78
55/480

Access means is clamping or coupling means for unit filter media

166
55/479

For discrete filter particles

110
55/481

Unit transversely slidable through flow path

291
55/410

With separated gas outflow control (e.g., apertured conduit)

88
55/413

Baffle or flow guide

120
55/414

Within or downstream of gas outlet conduit

94
55/416

Flow straightener

71
55/415

Movable baffle of flow guide

26
55/411

Movable gas outlet conduit

8
55/412

Longitudinal

19
55/417

Valve

173
55/410.1

With heating or cooling means

8
55/466

With separated nongaseous material conducting or treating means

360
55/309

With separating media bypass or system gas pressure relief (e.g., rupturable or deformable)

120
55/310

Pressure relief means to or from atmosphere

73
55/311

Relief means is downstream of media (e.g., ambient air bypasses filter)

30
55/312

Valved bypass means

94
55/313

Gas force responsive

43
55/314

Shunt means for total flow

68
55/309.1

With heating or cooling means

10
55/DIG.18

Work bench

165
55/DIG.45

Woven filter mediums

35
55/521

Zigzag, corrugated, or conical

956
 
 
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