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Class Information
Number: 4
Name: Baths, closets, sinks, and spittoons >
Description: This class includes bathing apparatus, water-closets, dry closets, urinals, bed-pans, spittoons, closet tanks or cisterns, and ventilating and disinfecting apparatus for the above-noted apparatus and for sewers, except such devices as have been especially provided for in other classes.










Class Number Class Name No. of Patents
4/DIG.12

Aerobic (decomposing) toilet

41
4/DIG.18

Bathroom fixture liners

42
4/443

Bidets

131
4/445

Bidet basin for flush closet

19
4/446

Bidet bowl with drain

15
4/448

Nozzle attachment

125
4/447

Nozzle with seat

95
4/444

With seat

31
4/901

Bowl skirt or tank cover

13
4/248

Buffers and dashpots

76
4/254

Closet head, foot, and body rests

166
4/253

Closet-bowl closures

56
4/514

Convertible class-type apparatus

16
4/244.1

Cover dispenser

15
4/244.2

Continuous roll

18
4/244.3

Pad mounted on seat

9
4/245.1

Cover for seat

44
4/245.3

Securing means

26
4/245.4

Adhesive

28
4/245.5

Peripheral

15
4/245.6

Specific material

18
4/245.8

Paper

33
4/245.9

Having dependent member in closet bowl

19
4/245.7

Plastic or rubber

23
4/245.2

Tubular type

11
4/256.1

Debris catcher for a flush closet or clean out plug

42
4/900

Decontamination shower

22
4/DIG.16

Deformable toilet traps

12
4/666

Diaper washing devices

8
4/DIG.2

Disappearing bowl

21
4/222

Disinfection

162
4/232

Chemical chamber formed in bowl

4
4/230

Chemical holder in lid

10
4/229

Chemical holder in seat

16
4/231

Chemical holder suspended in bowl

86
4/228.1

Dispensing to air from closet

35
4/223

Dispensing to bowl

82
4/224

Combined with flusher

25
4/226.1

Dispensing to or dispenser in flush pipe

36
4/225.1

Dispensing to overflow of flush tank

47
4/227.1

Dispensing to water in flush tank

103
4/227.2

Float actuated

26
4/227.3

Valve

31
4/227.4

Water level actuated

34
4/227.5

Static dispenser (i.e., no moving part)

26
4/227.6

Having a flush water dosing chamber

40
4/227.7

With a siphon

29
4/233

Seat and cover treating

66
4/222.1

With screen

23
4/679

Drain, overflow or trap for a sink or bath

170
4/680

Drain and overflow

44
4/681

And trap

21
4/682

With valve

13
4/687

Bi-transit for drain of sink or bath

2
4/683

Ell having fluid communication with the drain and overflow openings of a sink or bath

31
4/684

Pop-up drain valve

18
4/685

Contacted by a rotating member

11
4/686

Standpipe overflow

7
4/688

Drain valve

39
4/693

Operating means in sink or bath

23
4/689

Pop-up

48
4/690

Contacted by rotating member

7
4/691

Lever

14
4/692

Having at least a semi-spherical fulcrum

10
4/694

Overflow opening attachment

41
4/251.1

Drip catcher

37
4/251.2

For flush closet tank only

4
4/449

Dry closets

126
4/458

Automobile

25
4/114.1

Urinal

10
4/450

Bedpans

42
4/457

Accessories

28
4/456

Cushioned

38
4/451

Disposable type

27
4/453

With deodorizing means

14
4/455

With drain means

27
4/452

With liner

39
4/454

With urinal

8
4/459

Chemical

15
4/476

Enclosed receptacle type

59
4/477

Ventilated

8
4/478

With arm or back support

17
4/460

Field

70
4/461

Plural

5
4/479

Receptacle type

57
4/484

Flexible material

141
4/480

Invalid

94
4/481

Muffler for liquid

1
4/482

Ventilated

14
4/483

With seat

133
4/485

Seat subclosure

4
4/486

Seat or lid operated

3
4/144.1

Urinal

234
4/144.3

Contacting and conforming to anatomy

160
4/144.2

Disposable, entirely or a portion

118
4/144.4

Spout only

60
4/471

Valved bowl

13
4/473

Seat, lid or covering operated

3
4/472

Ventilated

4
4/474

Vault type

1
4/475

Ventilated

4
4/111.1

With heating meas

54
4/111.2

And cyclic control means

18
4/111.3

Having seat actuator or interlock

8
4/111.6

And separate drying zone

17
4/111.5

Electric

34
4/111.4

Fluid fuel burner

14
4/464

With magazine

1
4/465

Furniture type

4
4/470

In lid

4
4/469

Lid or covering operated

0
4/467

Movable receiver

3
4/468

Seat operated

1
4/466

Valved bowl

1
4/462

With urinal

13
4/463

Separate receiver

14
4/DIG.3

Electric flushing

107
4/DIG.17

Electrolytic toilets

1
4/696

Fitting or manifold for a sink or bath

70
4/252.1

Flush closet bowl support, coupling, seal or fastener

111
4/252.4

Flange with aperture for fastener

67
4/252.5

Having a seal

45
4/252.6

Seal structure detail

28
4/252.2

Support for a wall hung closet bowl

36
4/252.3

Adjustable

26
4/664

Flush closet or urinal and wash receptacle

74
4/665

Wash receptacle water empties into toilet facility

86
4/667

Flush closet seat assist to raise user

66
4/663

Flush closet, wash receptacle, and bathtub or shower

54
4/300

Flush closet

148
4/420

Bowl

162
4/431

Pump or suction-type discharge

134
4/432

With flush supply pump

25
4/433

Unitary with discharge pump

13
4/421

Siphon discharge

48
4/428

Configurated outlet

18
4/430

Distinct from bowl

4
4/424

Extra trap or false trap

14
4/427

Overflow inhibitor

69
4/429

Pan bowl

5
4/425

Siphonic jet at trap

44
4/426

With check valve

7
4/422

With flush valve

12
4/423

With vacuum breaker

3
4/434

Valved dischage

83
4/441

Pivoted valve

26
4/442

Pan type

14
4/435

With flush supply actuated by valved discharge

39
4/436

By movement of seat or lid

5
4/437

Float control of fluid in bowl

2
4/438

Pivoted valve

23
4/440

Pan type

12
4/439

With additional valve (e.g., draft control)

0
4/420.3

With bidet basin

28
4/420.4

With bidet nozzle

222
4/420.5

Integral with flush closet

21
4/420.1

With body-contacting nozzle

38
4/420.2

With heated bidet fluid

101
4/312

Folding type

31
4/329

Low profile tank and bowl

26
4/331

Float-controlled valve

14
4/332

Pressure flush

18
4/330

Seat actuated flush

1
4/324

Manual selection of the amount of flush

208
4/325

Alternate unicyclic flush

202
4/326

Plural flush valves

72
4/327

In axial alignment

17
4/333

Normally empty tank

5
4/334

Pressure tank

7
4/335

With seat-actuated valve

1
4/337

And drain means

1
4/336

And siphon bowl

2
4/338

With seat-actuated valve

3
4/339

And drain means

2
4/343

Overhead tank with bowl

3
4/344

Siphon bowl

4
4/345

Plural flush, preliminary or subsequent

18
4/346

Including plural compartments in tank

19
4/340

Plural receptacles

18
4/341

Diverse

28
4/342

Separate and distinct

26
4/316

Reduced gravity environment type

36
4/328

Tank and bowl with plural connections, one being pneumatic

15
4/353

Tank only

94
4/354

Pressure tank

63
4/362

By air under pressure

30
4/360

Dashpot-controlled outlet valve

5
4/356

Float outlet valve

8
4/357

Free floating

0
4/358

With guide (e.g., a cage)

1
4/355

Float-released outlet valve

4
4/361

Pneumatic or hydraulic adjustability

17
4/359

Valve held open by flow

17
4/415

Water saver

291
4/417

With connector or seal

15
4/418

Enclosure or housing for connector or seal

3
4/416

With lining

4
4/368

With outlet siphon

15
4/372

Including means to immerse siphon

3
4/375

Including means to raise liquid level

6
4/369

Including means to relieve trapped air

6
4/371

By raising trapped air housing

2
4/370

By releasing trapped air

13
4/374

Jet starter

7
4/373

Pump starter

5
4/376

Valve starter

4
4/377

By moving siphon

3
4/378

With outlet valve

113
4/405

Actuator

88
4/410

Button type

43
4/406

Electrical

63
4/413

Including articulated rigid linkage

17
4/414

Having stationary pivot within tank

13
4/412

Including flexible linkage element in tank (e.g., chain or cord)

26
4/407

Pneumatic or hydraulic

30
4/411

Portion of linkage external to tank

19
4/408

Seat actuated

25
4/409

With overhead tank

1
4/394

Connected to float

38
4/395

Float type

44
4/396

Free floating during flush

6
4/402

Having liquid receptacle open upwardly

12
4/397

Having seating guide

20
4/398

Cage type

10
4/401

Plural static guides

2
4/399

Valve moves relative to guide through bottom of valve

5
4/400

Valve-attached seating element enters discharge pipe

10
4/403

Hollow

16
4/404

Open at bottom

31
4/392

Swinging

26
4/393

Pivoted

87
4/379

With delay of valve closing

29
4/381

By float releasable latch

18
4/384

Latched actuator

7
4/382

Tiltable or pivoted valve body

19
4/383

With overflow through valve closure

4
4/387

By flow-responsive element in valve outlet

12
4/380

By pressure or suction control of valve

18
4/388

By retarding mechanism, e.g., dashpot

16
4/389

With overflow through valve closure

3
4/386

By shifting weight

8
4/385

By varying weight releasable latch

4
4/390

With overflow through valve closure

24
4/391

Float connected or float type valve

42
4/363

With plural compartments

39
4/365

Pivotal compartment

14
4/364

Single tank with divider

27
4/366

With simultaneous common actuating means for supply and outlet valves

74
4/367

By fluid or electrical means

18
4/419

With support

9
4/301

Urinals only

102
4/311

Bowl type

18
4/302

Flush actuation automatically responsive to condition

54
4/305

By electric condition responsive means

49
4/304

By radiant energy responsive means

82
4/303

Periodic flush

8
4/307

Folding type

16
4/308

Pedal actuated flush

16
4/306

Ventilated, i.e., noxious fume removal

8
4/310

Vertical type

28
4/309

With disinfectant means

40
4/347

Ventilated, i.e., noxious fume removal

40
4/348

Bowl

25
4/352

Annular ventilator

21
4/350

Unitary with discharge from bowl

3
4/351

Trap or siphon

8
4/349

Unitary with flush supply to bowl

16
4/313

With automatic flush responsive means

83
4/300.2

With bedpan rinser

15
4/315

With disposable container

16
4/321

With holding tank

200
4/322

And heater

16
4/323

And valve for emptying

111
4/314

With indicator

33
4/319

With macerator

65
4/320

Including additional treatment

35
4/317

With recirculating means

51
4/318

Including specified filtering means

32
4/300.3

With splash guard or water baffle

109
4/300.1

With toilet tissue holder

12
4/249

Flush-valve operators

75
4/250

Seat operated

22
4/DIG.4

Garbage grinder

18
4/515

Hair washing machine or device or accessory

50
4/523

Body-portion rest

67
4/517

Combined

16
4/519

Head or neck receiving or supporting sink

65
4/516

Portable

63
4/520

Shield or drain

25
4/521

Supported by body

25
4/522

With post-type support

9
4/518

With water supply means

37
4/668

Having condition responsive supply outlet, drain, overflow or trap for a sink or bath

65
4/669

Float actuated

15
4/DIG.6

Heated seats

20
4/DIG.7

House plumbing fittings

26
4/242.1

Lid

34
4/DIG.19

Liquid-solid separators

32
4/535

Means for applying vapor or hot air directly to body of user

17
4/537

To the head or face

26
4/536

With means for covering a majority of the user's body

10
4/615

Means for spraying user

273
4/618

Supported by neck or shoulder of user

1
4/616

With self-contained water supply

27
4/617

Overhead-gravity feed

12
4/243.1

Mechanism positions cover on seat

18
4/243.3

Single continuous roll of flat covers

14
4/243.2

Tubular type cover

18
4/DIG.9

Methods

52
4/661

Miscellaneous

488
4/255.01

Obstruction remover

95
4/255.04

Connected to a source of external fluid under pressure

31
4/255.06

With flow control valve

45
4/255.05

With force cup (e.g., a plunger)

30
4/255.08

With head structure that grips drain opening or pipe

26
4/255.09

With head structure that increases velocity or turbulence

17
4/255.07

With means to block or clear the overflow

9
4/255.11

Force cup (e.g., a plunger)

85
4/255.12

With one way valve

8
4/255.02

Piston

25
4/255.03

With one way valve

13
4/DIG.11

Oil toilet

13
4/487

Open-water barrier

22
4/246.1

Opener or closer for a closet seat or lid

234
4/246.2

Fluid mechanism

72
4/246.3

Lever operated opener

60
4/246.4

Four bar link

24
4/246.5

Using a seat or lid for a link

25
4/DIG.14

Pipe strainers

39
4/DIG.1

Plural connected floats

11
4/488

Pool type

117
4/496

Accessory

364
4/498

Covering

323
4/499

Air inflatable or supported

77
4/503

Including securing means

133
4/500

Including storage area

53
4/502

On a roll

113
4/501

On pool bottom

20
4/505

Divider

35
4/504

Safety means

132
4/497

Wave quelling

14
4/495

Adjustable bottom

40
4/494

Combined or convertable

65
4/506

Construction details

300
4/507

Including water inlet or outlet means

262
4/509

And pump

115
4/508

And water level control

115
4/510

Gutter

48
4/512

Including weir

31
4/511

With handhold (e.g., life rail)

11
4/513

Shape

34
4/489

Plural separate receptacles

22
4/490

With cleaning means

232
4/493

With heating means

133
4/492

With water-jet means

191
4/491

With wave-making means

100
4/670

Prefabricated (e.g., modular) plumbing system

15
4/DIG.15

Prison bathrooms

31
4/662

Restroom or bathroom self-cleaning systems

54
4/DIG.8

Rubber seats

5
4/234

Seat and lid

94
4/236

Hinges

155
4/235

Plural seats

44
4/237

Seat

166
4/241

Counterbalanced or spring biased

44
4/240

Hinges

125
4/238

Subclosure, seat operated

7
4/239

Superposed

112
4/596

Shower (e.g. stall, with walls, receptor, and spray)

114
4/599

Collapsible or expandable

74
4/600

Wall type

24
4/597

Combined with diverse means

125
4/605

Convenience accessories

229
4/610

Mounting or supporting means for movable closure

115
4/607

Movable closure

84
4/608

Flexible type

112
4/606

Scrubber

119
4/609

Shield or guard means

89
4/611

Support for user

62
4/612

Particular construction

116
4/613

Of receptor

117
4/614

Wall or panel

99
4/601

Plural spray heads

118
4/598

With heating means

45
4/602

With self-contained water supply

33
4/603

And pump

38
4/604

With special feature for physically handicapped

70
4/903

Shower head with material dispensing

36
4/258

Spittoons

18
4/278

Agitator

0
4/260

Bar

1
4/267

Covered

7
4/274

Flexible material and holder

5
4/268

Floor orifice

0
4/270

Receptacle

0
4/269

Valved outlet

0
4/271

Hand operated

4
4/272

Pedal operated

2
4/273

Two-part cover

1
4/261

Disinfecting

4
4/285

Flexible material and holder

8
4/280

Floor controlled valve

1
4/275

Floor orifice

0
4/277

Receptacle

0
4/276

Valved outlet

0
4/262

Flushing

9
4/263

Dental

11
4/264

Rotary member

1
4/266

Flush valve and outlet valve

2
4/265

Hand pump

0
4/281

Gravity controlled valve

0
4/284

Gravity receptacle

1
4/259

Pocket

11
4/282

Positively operated inlet valve

1
4/279

Reversible

0
4/283

Trapped liquid

8
4/905

Squat bowl

8
4/286

Strainer, stopper, plug or closure

156
4/293

Closure

33
4/294

Disinfecting

9
4/288

Combined strainer and pipe coupling

80
4/287

Combined strainer, plug, or valve

104
4/295

Plugs

135
4/290

Strainer, receptacle

50
4/291

Depending

28
4/289

Strainers in series

21
4/292

Strainer

140
4/671

Supply outlet combined with a drain, overflow or trap for a sink or bath

12
4/673

Supply outlet and drain

8
4/674

And overflow

7
4/672

Supply outlet valve linked to a drain, overflow or trap valve

3
4/675

Supply outlet for a sink or bath

139
4/678

Faucet or spout

242
4/676

Mixing faucet

107
4/677

Having only one actuating means

103
4/695

Support or mount for a supply, drain, overflow or trap means

144
4/904

Swim-in-place pool

17
4/DIG.13

Toilet having deformable trap

9
4/902

Toilet training

49
4/538

Tubs

82
4/546

Combined with diverse means

76
4/552

A complete and separate shower

6
4/553

Basin or sink

9
4/554

Relatively movable tub or basin

6
4/547

Couch or bed

29
4/548

Storage or support means

11
4/549

Cabinet

7
4/550

Pivoted tub

0
4/551

Dressing table

4
4/559

Convenience accessories

213
4/560.1

Means for handling user

100
4/561.1

Vertically and horizontally

25
4/562.1

Horizontal movement is pivotal

33
4/563.1

Hydraulically operated

30
4/564.1

Vertically, only (e.g., lifts)

41
4/565.1

Supported by tub

27
4/566.1

Hydraulically operated

33
4/567

Means for spraying user

103
4/568

Located inside of the tub

44
4/569

Conduit having rectilinearly spaced spray holes

13
4/570

Mounted on support external to tub

66
4/580

Protective liner or covering

120
4/581

Mat type

40
4/582

With antislip means

26
4/583

In contact with tub bottom

62
4/571.1

Support for user, static

66
4/573.1

Body type

46
4/574.1

Foot

46
4/576.1

Hand grip

53
4/577.1

Mounted on tub, only

23
4/575.1

Head or back

62
4/578.1

Seat

108
4/579

Supported by tub, only

103
4/572.1

For infant

91
4/541.1

Means for agitating or circulating water in a tub

300
4/541.5

By aerating

102
4/541.3

By liquid flow

115
4/541.4

And aerating

139
4/541.6

Jet detail

222
4/541.2

With condition response

74
4/584

Particular construction or configuration details

158
4/585

Flexible material (e.g., collapsible, etc.)

91
4/586

For infant

8
4/588

Inflatable

27
4/587

Supported by folding frame

10
4/595

Means for securing tub in place

21
4/591

Rim supply

16
4/592

Support structure

39
4/593

For strengthening bottom or side

20
4/594

Legs

12
4/589

With integral body support

16
4/590

Seat

29
4/539

Plural tubs (i.e., all for bathing)

9
4/545

With heating of tub structure

46
4/540

With means for turning tub for aiding access

23
4/557

With movable closure

70
4/558

Flexible type

98
4/555

With user access means in side of the tub

59
4/556

Pivoted door

40
4/DIG.5

Urine guards

59
4/524

Vapor or heat in bath (e.g., sauna, steam bath, or sudatorium)

87
4/526

Collapsible

16
4/527

Flexible fabric supported by a folding frame

14
4/528

With body support means

4
4/529

Bed type

6
4/530

With head or back rest

3
4/531

Seat

10
4/532

Fixed

6
4/533

Conversion means

5
4/534

Flexible covering

12
4/525

With additional means for washing

23
4/209R

Ventilation

45
4/216

Bowl structure or vent valve

87
4/213

Electric-motor pump

251
4/211

House plumbing

52
4/210

Railway car

3
4/218

Roof outlet

27
4/217

Seat structure

98
4/219

Sewer

17
4/221

Burner

2
4/220

Disinfecting

3
4/215

Water-jet pump

7
4/214

Water-motor pump

10
4/209FF

With fluid filter

16
4/619

Wash receptacles

131
4/654

Attachments

62
4/655

Disposable receptacle liner

30
4/656

Drainboard, rack, or tray

28
4/659

Infant bathing support

20
4/657

Receptacle or receptacle content protective device

17
4/658

Receptacle splash or drip guard

30
4/638

Combined

60
4/620

Emergency fountains

64
4/639

Plural receptacles

13
4/640

With drain

21
4/642

Dissimilar

5
4/641

Nested

10
4/660

Rim frames

7
4/624

Wash fountain

27
4/630

With cabinet, shelf, or drawer

48
4/628

With cleaning brush, soap dispenser or holder

75
4/650

With drain

46
4/651

And overflow

23
4/652

And strainer

25
4/653

And water handling

32
4/629

With garbage receptor or tableware extractor

22
4/621

With human body support

43
4/622

Foot

75
4/623

With proximity operated valve

270
4/643

With support

41
4/648

Bracket

7
4/649

Clamp

2
4/647

Hanger

7
4/644

Pivoted

16
4/646

Post

12
4/645

Vertically adjustable

28
4/625

With water supply or waste-water tank

49
4/626

And water control

37
4/627

Having pivoted receptacle

3
4/631

With work surface

57
4/637

Drainboard

19
4/634

Sink rim clamped to work surface

13
4/633

Sink rim clamped to work-surface top by clamp means partly on sink

30
4/635

Sink rim joined to work surface by molding frame

7
4/636

Molding frame t-shaped

4
4/632

Sink rim rests on work-surface recess below top surface

14
4/DIG.10

Water additive or substitute

10
 
 
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