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Class Information
Number: 174
Name: Electricity: conductors and insulators >
Description: 1. This class is for inventions relating to the structure of electrical conductors and insulators and insulators and the apparatus specialized to mounting, supporting, encasing in conduits, and/or housing the same.










Class Number Class Name No. of Patents
174/4R

Air terminals

24
174/4C

Coated and radioactive

1
 

Anti-inductive structures (174/32)

 
174/32

Anti-inductive structures

97
174/33

Conductor transposition

52
174/36

Conductor only

789
174/34

Conduit or cable structure

156
174/350

Shielded

252
174/396

Coils, antieddy current

9
174/359

Connectors

230
174/360

Feedthrough

60
174/362

Resilient member

40
174/361

Soldered

26
174/377

Housing or panel

425
174/382

Access panel or opening

244
174/383

Vents

120
174/379

Convertible

11
174/380

Telescoping or folding

27
174/378

Flexible

66
174/387

Multiple compartments

121
174/381

Transparent

34
174/384

Wall structure

176
174/385

Hole geometry

45
174/386

Specific layers

91
174/376

Interconnection order

51
174/363

Joints

109
174/374

Between door and wall

54
174/375

Hinges

29
174/372

Interlocking

76
174/373

Flange and fastener

44
174/364

Pneumatic or hydraulic

20
174/366

Resilient member

94
174/371

Flange and fastener

69
174/367

In groove

53
174/368

Inserted contact member

65
174/370

Polymeric gasket

49
174/369

Strip or metal comb

59
174/365

Sliding

61
174/388

Material

174
174/392

Grid

65
174/393

Conductive woven layer

37
174/391

Magnetic

104
174/390

Particular shape

82
174/394

Plural conductive layers

169
174/389

Transparent

73
174/395

Radio tube shields

11
174/351

Resilient contacts

98
174/354

Attaching clip or finger

100
174/356

Conductive shell with nonconductive core

59
174/357

Metal mesh

43
174/353

Magnetic

51
174/352

Metal coil core

6
174/358

Polymeric gasket

89
174/355

Strip or metal comb

103
174/397

Spark plugs, manifolds

9
174/DIG.1

Anti-tracking

16
174/DIG.2

Ballasts

47
174/DIG.35

Box or housing mounted on substrate or pcb

35
 

Boxes and housings (174/50)

 
174/50

Boxes and housings

1624
174/50.5

Hermetic sealed envelope type

129
174/50.55

Hollow lead surrounding another lead (e.g., concentric type)

18
174/50.56

Lead-in insulated from metal wall

41
174/50.6

Plural lead-in

18
174/50.57

Stem or sealing disk attached to envelope neck

15
174/50.58

By fused-type seal

13
174/50.61

With bonded seal for conductive member (e.g., glass to metal)

122
174/50.64

Foil or flat lead-in

29
174/50.63

Metal disk or ring-type seal

26
174/50.62

With cement or plastic

15
174/50.51

With covering or casing for envelope

92
174/50.52

With electrical connector

121
174/50.53

Envelope portion forms connector

15
174/50.54

With mounting means for a device within envelope

68
174/50.59

With shield for lead-in seal or between the lead-in conductors

23
174/520

With electrical device

456
174/546

Coated

127
174/547

Cooled

134
174/548

Heat sink

237
174/535

Details of mount

339
174/545

Clip

45
174/541

Connection

494
174/536

Lead frame

278
174/537

Multiple frames

47
174/539

Seal

153
174/540

Surrounding lead

31
174/538

Wire bonded

218
174/542

Movable, rotatable, or slidable

133
174/543

On door

9
174/544

Shock absorption

80
174/521

Encapsulated (potted, molded, plastic filled)

377
174/526

Cooled

54
174/523

Dam

27
174/527

External terminals

88
174/534

Lands

86
174/528

Leads

160
174/532

Bent

51
174/533

Outside of housing

63
174/529

On lead frame

194
174/530

Multiple tiers

29
174/531

Varying dimension

23
174/525

Flexible

38
174/524

Plural layers

113
174/522

Vent, inlet or exit

60
174/549

External terminals

127
174/558

Bumps

70
174/550

Keys

14
174/557

Lands

185
174/551

Leads

334
174/555

Bent

64
174/556

Outside of housing

59
174/553

Lap joined

18
174/554

Sealing ring

36
174/552

Varying dimension

33
174/61

Fixtures coupling or mounting means

122
174/62

Stud or nipple

31
174/63

With box supporting means

158
174/64

With conduit or cable coupling means

168
174/559

Multipart housing

311
174/560

Joining parts

195
174/561

Interlocking

98
174/562

Fastener

70
174/563

Recess with mating projection

58
174/564

Seal

292
174/53

Plug receptacle or wall switch type

642
174/57

Adjustable

271
174/55

Unitary with face plate

38
174/56

External

21
174/58

With box or housing mounting means

880
174/54

With fixture coupling or mounting means

124
174/565

Specific material

221
174/59

With connectors

370
174/60

Cable or conduit terminal casings

301
174/51

With grounding means

477
174/DIG.10

Bushing with current transformers

7
174/47

Combined fluid conduit and electrical conductor

330
174/68.1

Conduits, cables or conductors

536
174/135

Accessories

949
174/136

Anti-abrasion devices

107
174/101.5

Buoyant

98
174/68.2

Bus bars or bus ducts (residual)

180
174/70R

Combined

220
174/70A

Aerial cable

39
174/71R

Branched

144
174/71B

Bus bars

96
174/71C

Coaxial

20
174/72R

Multi-duct conduit and/or plural branch

167
174/72B

Bus bars

177
174/72C

Casing, moldings

138
174/72TR

Ribbon type

46
174/72A

Wire harness

747
174/70B

Bus bars

94
174/70C

Conduits or strips

56
174/70S

Submarine repeater housings

77
174/74R

With end structure

382
174/81

Elbow or hood outlet type

12
174/82

End cap outlet type

27
174/74A

Insulating cap or sleeve

137
174/83

Lining thimble

12
174/76

Plastic filled

191
174/77R

Sealing

330
174/77S

Spark plugs

3
174/78

With grounding means

270
174/80

With insulator skirts

20
174/75R

With joint

55
174/75B

Bootleg

10
174/75C

Coaxial

130
174/75F

Flexible spring type

10
174/75D

With detachable joint (e.g., potheads)

21
174/79

With supporting means

71
174/73.1

With joint or end structure conductive stress distributing means

223
174/84R

With joints

505
174/86

Angularly movable or adjustable

80
174/87

Angular

181
174/85

Axially insulated joint sleeve sections

45
174/94R

Bare-conductor

253
174/94S

Separable

31
174/84C

Crimped

268
174/91

Divided joint sleeves

63
174/92

Longitudinally

419
174/88R

Plural conductor and/or duct

332
174/88B

Bus bars

116
174/88C

Coaxial

135
174/88S

Separable

22
174/89

Radially spread or flanged sheath or conduit

49
174/84S

Separable

60
174/93

Sleeve and end cap-type casing

293
174/90

Stranded conductor

41
174/102R

Conductive armor or sheath

312
174/102A

Alloys

11
174/102D

Corrugated

77
174/103

Plural individually sheathed or armored conductors

86
174/104

Embedded in shield

15
174/106R

Plural, conductively contacting or composite

165
174/106D

Corrugated

32
174/106SC

Semiconducting

80
174/105R

Plural, insulated

104
174/105B

Segmental

8
174/105SC

Semiconducting

65
174/102P

Powdered insulation

43
174/107

Protected by nonconductive layer

253
174/102E

Rope

2
174/102SC

Semiconducting

131
174/102C

Sheath coated

20
174/108

Spirally applied

131
174/109

Overlapping or interlocking

129
174/102SP

Strip, type, perforated, slotted

52
174/126.1

Conductor structure (nonsuperconductive)

147
174/126.2

Composite

178
174/127

Corona prevention

53
174/126.3

Corrugated or slotted

17
174/126.4

Metal coated on insulation

38
174/133R

Noncircular strand section

25
174/133B

Bus bars

39
174/128.1

Plural strand

168
174/130

Annular

48
174/131R

With wall support

19
174/131A

Insulating core

72
174/131B

Synthetic, coated

5
174/129R

Assemblies of noncircular section

57
174/129B

Bus bars

17
174/129S

Segmental, reentrant

3
174/128.2

Bundle conductors

34
174/69

Extensible

184
174/110R

Insulated

524
174/110P

Cellulose

10
174/119R

Composite or noncircular strand section

45
174/119C

Coated, compositions

29
174/110D

Dacron™

5
174/110E

Epoxy

43
174/124R

Fibrous or fabric

41
174/124GC

Mineral-glass, coated

11
174/124G

Mineral-glass

7
174/110FC

Fluorocarbons (teflon™, kel-f, fep-teflon)

117
174/110F

Foam

111
174/110B

Isobutylent

6
174/113R

Multiple conductor

606
174/113AS

Air-spaced

42
174/117R

Assemblies of noncircular section

141
174/117A

Adhesive

104
174/117AS

Air-spaced

30
174/117FF

Conductor itself is flat

368
174/117F

Flat or ribbon type

636
174/117M

Mesh

71
174/115

Dissimilar or auxiliary conducting elements

207
174/113C

Insulating core

218
174/113A

Radially compressed

19
174/114R

Split conductor

29
174/114S

Segmental reentrant

4
174/116

With filler insulation

111
174/110A

Oxide

60
174/120R

Plural or impregnated layers

354
174/120C

Coated or impregnated

82
174/121R

Fibrous or fabric with plastic or coating materials

73
174/121B

Cellulose

8
174/121A

Flame, weather or mold proof

170
174/121AR

Rubber

15
174/121SR

Synthetic resin

84
174/122R

Fibrous or fabric

21
174/122C

Coated

17
174/122G

Glass

38
174/120FP

Fluid-type cable paper

14
174/120AR

Rubber

24
174/120SC

Semiconducting

139
174/120SR

Synthetic resin

272
174/110N

Polyamide (nylon)

93
174/110PM

Polyethylene (including "mylar")

258
174/110AR

Rubber

44
174/110S

Silicones

77
174/110SY

Styrene

13
174/110SR

Synthetic resin

323
174/110V

Vinyl

57
174/111

With beads or disc

40
174/112

With identifying means

151
174/118

With powdered or granular material

45
174/95

Plural duct

145
174/96

Embedded conduit-ducts or conductors

48
174/97

Grooves or channels

204
174/250

Preformed panel circuit arrangement (e.g., printed circuit)

1140
174/254

Convertible shape (e.g., flexible) or circuit (e.g., breadboard)

1170
174/253

Micropanel

81
174/252

With cooling means

605
174/260

With electrical device

2494
174/251

With encapsulated wire

173
174/261

With particular conductive connection (e.g., crossover)

2078
174/262

Feedthrough

2010
174/266

Hollow (e.g., plated cylindrical hole)

529
174/264

Voidless (e.g., solid)

545
174/265

Preform in hole

262
174/263

With solder

468
174/267

Termination post

300
174/256

With particular material

773
174/259

Adhesive/bonding

634
174/257

Conducting (e.g., ink)

748
174/258

Insulating

839
174/255

With particular substrate or support structure

2076
174/268

With single conductive plane (e.g., tape, cable)

152
174/101

Removable wall

235
174/68.3

Single duct conduits

474
174/125.1

Superconductors

579
174/98

With embedded conduit-duct or conductor

66
174/99R

With interior conductor or cable supports

113
174/99B

Bus bars

137
174/99E

Expansion

25
174/100

Vertical conductor or cable

83
174/66

Covers or face plates

838
174/67

With closure for face plate opening

741
174/6

Earth grounds

114
174/7

Driving type

45
174/5R

Electric shock hazard protective devices

132
174/5SB

Shock protection, body insulation

11
174/5SG

Shock protection, grounding devices

41
174/650

Feedthrough or bushing

296
174/665

Collar with engagement member

110
174/652

Compression

134
174/656

Multipiece casing

72
174/657

With fastener

51
174/658

Parallel to cable length

18
174/653

Threaded casing with deformable member

111
174/654

Grips both sides of jacket or shield

28
174/655

Threaded casing with resilient fingers

85
174/666

Knockouts

88
174/651

Movable

69
174/667

Plastic filled

94
174/668

Wall engagement member

82
174/669

Opposed wall engagement member

64
174/659

With opening retaining member

132
174/661

Cantilevered plate

29
174/663

Plate and fastener

37
174/660

Projections or fingers

91
174/662

Serpentine cable path

30
174/664

Split collar

22
174/46

Handles

26
174/DIG.12

Helical preforms

12
174/DIG.13

High voltage cable (e.g., above 10kv, corona prevention, etc.)

16
174/DIG.14

Having a particular cable application (e.g., winding, etc.)

6
174/DIG.23

In a circuit breaker, relay, or switch

2
174/DIG.19

In a dynamo-electric machine

29
174/DIG.21

Rotor

13
174/DIG.20

Stator

50
174/DIG.22

Winding, per se

18
174/DIG.16

In a motive power system (e.g., electric motor control system, etc.)

8
174/DIG.18

In a power distribution network

2
174/DIG.15

In a power generation system (e.g., prime-mover dynamo, generator system, etc.)

12
174/DIG.17

In an electric power conversion, regulation, or protection system

39
174/DIG.24

In an inductive device (e.g., reactor, electromagnet, etc.)

7
174/DIG.25

Transformer

20
174/DIG.26

Having a plural-layer insulation system

9
174/DIG.27

Including a semiconductive layer

12
174/DIG.28

Plural semiconductive layers

20
174/DIG.29

Having a semiconductive layer

11
174/DIG.31

Having a shield or metallic layer

9
174/DIG.30

Having insulation with a particular dimension or geometry

5
174/DIG.32

Having means for cooling

18
174/DIG.33

Method of cable manufacture, assembly, repair, or splicing

14
174/137R

Insulators

101
174/137A

Coated

42
174/139

Combined

74
174/140R

With conductive arcing or stress distributing means

44
174/144

Arcing or grading devices

22
174/142

Bushing type

91
174/143

Condenser type

35
174/140C

Coated

22
174/140CR

Corona ring

20
174/140H

Hood type

3
174/140S

Strain type

21
174/141R

Strings or stacks

17
174/141C

Coated

3
174/145

With connector

13
174/137B

Compositions

84
174/156

Divided insulator

37
174/157

Aligned through aperture

14
174/154

Insulator and conductor embracing holder

61
174/155

Divided insulator

26
174/208

Link type

10
174/146

Mid-line spacers

65
174/147

Cross-over

4
174/148

Multiple insulator assemblies

25
174/149R

Multiple conductor

34
174/149B

Bus bars

49
174/150

Strings and stacks

19
174/209

Sectional, multi-part, composite, or coated

90
174/210

Pin socket type

1
174/138R

Special application

100
174/138A

Antennas

8
174/138G

Component mounting pads, spacers and holders

314
174/138C

Compositions

23
174/138H

Neon tube type

3
174/138B

Pull chains

3
174/138J

Resistor or heater type

52
174/138E

Slot liners and spacers

79
174/138S

Spark plugs

4
174/138D

Studs, rods, and joints

145
174/138F

Terminal covers

259
174/212

Surface configuration

35
174/151

Through wall or plate

194
174/152R

Bushing type

172
174/152A

Antennas

4
174/152E

Electric space discharge device

4
174/152GM

Glass-to-metal seal

160
174/152G

Grommets or tubes

271
174/153R

Opposed wall engaging means

82
174/153A

Antennas

14
174/153G

Grommets

397
174/152S

Spark plugs

3
174/168

With conductor holding means

54
174/169

Fitting or terminal type

35
174/170

Hooks

6
174/171

Special conductor form

22
174/172

Insulator embracing

15
174/173

Tie wires

12
174/174

Insulator structure

36
174/175

Self-retaining

48
174/167

With conductor receiving aperture or bushing type

66
174/158R

With insulator-supporting or attaching means

65
174/161R

Adjustably or movably mounted

18
174/161F

Fence post insulators

19
174/162

Double arm

0
174/158F

Fence post insulators

53
174/159

Insulated nail or staple type

12
174/160

Strand engaging suspension means

5
174/163R

Support and/or insulator embracing or clamping

28
174/163F

Fence post insulators

25
174/164

Support penetrating

16
174/165

Penetrating element socketed in insulator

11
174/166R

Through aperture, penetrating element clamped

28
174/166S

Stand-off insulators

28
174/211

With moisture or dirt removing or shedding

44
174/176

With terminal elements

48
174/188

Cap type

15
174/191

Clamps or clasps

7
174/190

Divided cap

2
174/189

Plastic material adhered

15
174/192

Rings or wedges

4
174/193

Screw or bayonet

0
174/207

Link or clevis

3
174/194

Pin type

10
174/197

Clamps or clasps

2
174/199

Expanded

0
174/195

Multi-part insulators

11
174/196

Plastic material adhered

18
174/198

Rings or wedges

2
174/202

Screw or bayonet type

12
174/204

Sheet material thread

1
174/206

Sockets

1
174/205

Soft yielding material pin

1
174/203

Strand thread

2
174/201

Through pin

2
174/200

With thimble in socket

6
174/177

Plural

25
174/182

Cap and pin

27
174/186

Caps

16
174/178

Multi-part, sectional or composite insulator

54
174/180

Pin and opposed overlapping terminal

5
174/179

Protected rod type

91
174/183

Overlapping

2
174/184

Interlinking

2
174/185

Pin and opposed terminal

5
174/181

With insulated reinforcing or interlocking element

2
174/187

Ventilating

2
174/2

Lightning protection

92
174/3

Rods

57
174/1

Miscellaneous

19
174/40R

Overhead

149
174/43

Distributing and/or plural point support

46
174/40CC

Ground clamps and cable clips

93
174/40TD

Tension devices

32
174/45R

Towers, poles or posts

141
174/45TD

Tension devices

27
174/42

With conductor vibration damping means

123
174/44

With connector or wire fanning arrangements

27
174/41

With messenger cable

103
174/DIG.34

Pcb in box or housing

93
174/DIG.9

Pull-out cabinet or drawer with retractable cable

24
174/DIG.8

Shrinkable tubes, etc.

525
174/DIG.7

Sodium conductors, connectors, etc.

6
174/37

Underground

117
174/38

Distributing and/or combined with overhead

136
174/39

Street, sidewalk, gutter or curb structure

32
174/480

Wall mounted

253
174/481

Conduit and housing

386
174/503

Bracket mounted

77
174/500

Cabinet and furniture

39
174/501

Hospital console

3
174/504

Casing and molding

61
174/491

Ceiling

42
174/492

Corner mounted

17
174/482

Floor

83
174/490

Floor fixture

20
174/483

Poke through

60
174/485

Bell cover

15
174/484

Terminal above floor

38
174/486

Under floor and flush mounted

64
174/487

Terminal on floor

24
174/488

Cover

37
174/489

Terminals inside housing

37
174/502

Flush mounted

46
174/505

Interior wall conduit

65
174/506

Branched

8
174/507

Nail protector

27
174/495

Partition

39
174/496

Adjustable

22
174/497

Lower portion

30
174/498

Upper portion

17
174/499

Vertical portion

14
174/493

Power pole

31
174/494

Power strip

27
174/8

With fluids or vacuum

11
174/17R

Boxes and housings

128
174/17CT

Closures, terminals, gaskets

60
174/17GF

Gas filled

62
174/17.05

Hermetic sealed envelope type (e.g., with exhaust stem)

31
174/17.07

Combined lead-in and exhaust tube

6
174/17.06

Liquid seal

9
174/17.08

With electric connector

17
174/17LF

Liquid filled

123
174/17SF

Solid filled

22
174/17VA

Venting, absorption, expansion

107
174/18

With bushing, terminal or lead-in

69
174/19

Conduit or cable end structure

90
174/20

With fluid stops

15
174/21R

Conduit or cable joints

75
174/21CA

Joints: coaxial angle expansion

7
174/21C

Joints: coaxial

42
174/21JC

Joints: rotatable, coaxial

1
174/21JR

Joints: rotatable

3
174/21JS

Joints: separable

15
174/22R

With fluid stops

33
174/22C

Concentric

11
174/24

Conduits, cables and conductors

71
174/28

Coaxial or concentric type

243
174/29

With spiral spacer

29
174/25R

Impregnated insulation type

51
174/25G

Gas filled

34
174/25C

Impregnating compositions

53
174/26R

Multiple conductor

14
174/26G

Gas filled

15
174/25P

Processes

8
174/27

Parallel or twisted conductors

101
174/9R

Current conductive fluid and/or vacuum

4
174/9F

Conductive fluid

13
174/30

Insulators

14
174/31R

Axial passage and/or through wall or plate

63
174/31.5

Liquid sealed joint

6
174/31S

Spark plugs

0
174/10

With cable or conduit preinstallation devices

42
174/15.1

With cooling or fluid feeding, circulating or distributing

575
174/15.2

By heat pipe

603
174/16.1

By ventilation or gas circulation

530
174/16.2

Of bus bars or bus ducts

90
174/16.3

With heat sink

1700
174/15.3

For bushing or pothead

51
174/15.6

For cable, conductor or joint

112
174/15.7

For welding or furnace cable

50
174/15.4

Superconductive type

167
174/15.5

For cable, conductor or joint

152
174/12R

With expansion and contraction means

26
174/13

Built into conduit or cable

21
174/12BH

Expansion bushings

17
174/14R

With fluid maintenance or conditioning means

88
174/14BH

Bushings

13
174/23R

With fluid stops

131
174/23C

Compositions

117
174/11R

With fluid-condition responsive and/or indicating means

117
174/11BH

Bushings

33
174/DIG.11

Zipper tubes

20
 
 
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