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Class Information
Number: 392
Name: Electric resistance heating devices >
Description:










Class Number Class Name No. of Patents
 

Heating devices (class 219 subclass 200)

 
392/301

Borehole type

63
392/304

Heating element surrounding delivery pipe

11
392/306

Plural separate heating devices

20
392/305

Suspended by cable in well

18
392/302

With heat exchange fluid

11
392/303

With vapor generator

13
392/307

Combined with nonelectric heating means (e.g., gas, etc.)

60
392/308

For heating liquid

50
392/309

Hot plate

8
392/310

Oven type

5
392/379

Concentrated heated air stream (i.e., blast)

217
392/380

For drying body part

117
392/381

Wall mounted

53
392/383

Portable

92
392/384

With handle

126
392/385

Pistol-grip type

188
392/382

With support

61
392/465

Continuous flow type fluid heater

202
392/471

Combined liquid flow heater and pump unit

108
392/470

Disposable cartridge, tube or bag forms heated flow path (e.g., blood bag, etc.)

88
392/479

Externally heated line connected section

105
392/484

Block forms flow path

99
392/483

Heating element producing radiation

37
392/480

Pipe or tube forms flow path

276
392/481

Coiled

60
392/482

Plural pipes or tubes form flow path

32
392/472

Flexibe (e.g., hose, etc.)

60
392/478

Fluid conveying tube or pipe comprising resistive heating element

125
392/473

Fluid heater carried on discharge member

82
392/476

Hand-held discharge member

23
392/477

With storage container for fluid to be heated

9
392/474

With flow control valve (e.g., faucet, etc.)

18
392/475

Valve turns heating element on and off

11
392/485

Heated line section with heating element internal of flow path

229
392/494

Block forms flow path

36
392/488

Pipe or tube forms flow path

118
392/489

With jacket for heating element

70
392/490

Plural heated line sections (e.g., series or parallel, etc.)

50
392/486

Plural pipes or tubes form flow path

37
392/491

With baffle-defined flow path

53
392/492

Producing counterflow circulation

59
392/493

Heating element integral with baffle

19
392/487

With jacket for heating element

42
392/466

Method

56
392/468

Pipeline tracing

71
392/469

Skin effect heater type (e.g., s.e.c.t., etc.)

50
392/495

Plural different fluids simultaneously heated

27
392/496

With heat exchange fluid

63
392/467

With hot plate

71
392/347

Convection space heater

80
392/348

Artificial fire

27
392/352

Baseboard type

26
392/353

With baffle

11
392/349

Central heating type

10
392/350

With air delivery duct

40
392/375

Combined with radiation

39
392/377

With heat exchange fluid

16
392/378

In plural sections

17
392/376

With reflector

35
392/351

Floor furnace type

3
392/360

Forced air type

155
392/364

Ceiling mounted

32
392/362

Fan with heated blades

10
392/361

Heating attachment for fan

16
392/365

Portable

89
392/367

Multi-direction air outlet

32
392/368

With baffle

27
392/369

Counterflow

11
392/366

With fan position adjusting means

11
392/363

Wall mounted

30
392/372

Mounted in or on window or door

6
392/373

Portable

48
392/374

With baffle

17
392/370

Wall mounted

25
392/371

In wall cavity

9
392/354

With intermediate heat absorber

13
392/355

Heated by radiant source

11
392/356

With fan blower

24
392/357

With fluid heat absorber

15
392/358

By fan blower

27
392/359

Wall mounted

2
392/311

Fluid-in-circuit type heater

28
392/314

Continuous flow of fluid being heated

34
392/318

Current control means

25
392/320

Tube or pipe forms flow path

13
392/321

Pipe forms at least one electrode

8
392/319

With discharge member for line or tank

0
392/315

With means to adjust current path between electrodes

16
392/317

Movable dielectric means

5
392/316

Responsive to condition of fluid

7
392/338

Electrode details

60
392/312

Method

17
392/313

Portable

6
392/324

Steam or vapor generator

34
392/325

Line connected boiler

25
392/326

Control of electrode immersion level

13
392/327

By electrode current

20
392/328

By pressure

3
392/331

Electrode arrangement

23
392/332

Water jet electrode

16
392/329

With means to adjust current path between elctrodes

7
392/330

Movable dielectric means

2
392/333

Manually filled tank or container

9
392/336

Separate electrode compartment

7
392/337

Electrode compartment removable from tank

20
392/334

With means to adjust current path between electrodes

7
392/335

With supply interlock means

10
392/322

With reservoir or tank

20
392/323

With means to adjust current path between electrodes

6
392/497

Immersion heater details

111
392/499

Buoyant in liquid

19
392/502

Having positive temperature coefficient

79
392/503

Particular sheath or jacket composition

89
392/501

With particular mounting means

106
392/500

With plural heating elements

36
392/498

With thermostatic control means

138
392/407

Radiant heater

241
392/419

Focussed radiant beam

52
392/421

Elliptical or ellipsoidal reflector

42
392/420

Plural reflectors

46
392/417

For heating moving strand, web or sheet

72
392/409

Hand-held

18
392/410

With air or gas circulation

24
392/411

Lamp banks (i.e., array of plural lamps)

155
392/412

Adjustable lamps position

23
392/413

Adjustable individual lamp position

16
392/414

Lamp banks form arch

15
392/415

Lamp banks movable relative to stationary work during use

26
392/440

Multi-direction radiant heat output

16
392/432

Radiant extended surface type heater

77
392/433

With exposed radiant heating element

17
392/434

On ceramic support structure

19
392/435

With heat radiating panel

144
392/438

Heating element formed as coating on radiating panel surface

22
392/439

Nonmetallic panel

26
392/436

Wall or ceiling mounted

35
392/437

Plural panels

25
392/416

With chamber

756
392/408

With filter or diffuser for radiant energy

55
392/422

With reflector

155
392/426

Bowl-shaped reflector

29
392/427

Annular heating element concentric with reflector axis

8
392/428

Linear heating element aligned with reflector axis

4
392/429

Coiled on core

1
392/431

Collapsible or foldable reflector

6
392/423

Elongated reflector

56
392/424

Heating element in transparent tubular envelope

61
392/425

With exposed radiant heating element

10
392/430

Wall mounted

9
392/418

With support for workpiece

559
392/441

Tank or container type liquid heater

216
392/443

Flexible container (e.g., water bottle, etc.)

18
392/449

Line connected tank

112
392/450

Plural serially connected compartments

46
392/458

With external heater

32
392/459

Clamped or secured to tank wall

41
392/460

Producing radiation

3
392/461

With externally mounted circulation-type heater

21
392/462

Laterally disposed (i.e., side-arm type)

7
392/451

With immersion heating element

173
392/454

Plural heating zones

59
392/453

Removably insertable into tubular receptacle in tank

32
392/452

With baffle or guard

33
392/456

With heat exchange fluid

37
392/455

With heating element mounting arrangements

72
392/457

With protecting means against galvanic corrosion

42
392/463

With timer controlled energization

47
392/464

Off-peak power

17
392/444

Portable container or tank

86
392/445

Plural compartments

31
392/446

With agitator

5
392/447

With internally positioned heating element

90
392/448

Removably inserted through fill opening

33
392/442

Pour-in displacement discharge type tank

36
392/386

Vaporizer

201
392/393

By light bulb heat source

36
392/391

By radiant heat source

56
392/388

For metal vapor deposition

63
392/389

With crucible

109
392/394

Liquid evaporant (e.g., water, etc.)

181
392/403

Container with self-contained evaporant supply

134
392/404

Hand-held

66
392/405

With separate heating chamber

102
392/406

Removable

43
392/399

Flash chamber

126
392/396

In continuous flow line connected heater

83
392/397

Pipe or tube forms flow path

96
392/398

With internal heating element

52
392/400

In-line connected closed tank (i.e., pressurized)

46
392/401

With internal heating element

67
392/402

In-line connected open tank or container (i.e., nonpressurized)

57
392/395

With wick

184
392/387

Method

43
392/392

Wall mounted

102
392/390

With disposable evaporant cartridge or container

228
392/339

With heat storage means

31
392/341

For fluid heating (e.g., gas or liquid, etc.)

39
392/344

For subsequent heating by convection

37
392/343

For subsequent heating by radiation

12
392/342

For vaporization

28
392/346

Heat accumulating medium details

58
392/345

Means to control heating accumulating medium

21
392/340

Method

12
 
 
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