Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 218
Name: High-voltage switches with arc preventing or extinguishing devices >
Description:










Class Number Class Name No. of Patents
218/1

Arc preventing or extinguishing devices

89
218/43

Air-current blowout

139
218/81

Arc chute

16
218/85

Arc extinguishing medium

27
218/46

Arcing chamber

33
218/47

Plural chambers

9
218/48

Contact structure

50
218/49

Fixed

4
218/50

Movable

7
218/88

Control of blast valve and contacts

4
218/45

Disconnect switch

34
218/55

Grounding switch

19
218/82

Identical units back-to-back

17
218/86

Low pressure cut-off valve means

7
218/87

Magnetic synchronous contacts

1
218/84

Operating mechanism structure or arrangement

131
218/44

Polyphase

25
218/57

Puffer piston

85
218/65

Contact structure

65
218/67

Disconnect switch

18
218/58

Polyphase

6
218/66

Valve (e.g., blast valve or pressure relief valve)

59
218/59

With gas blast means

116
218/61

Compressing cylinder structure

23
218/62

With nozzle

67
218/60

Piston structure

42
218/63

With nozzle

51
218/64

With throat region

15
218/83

Recirculating systems

17
218/68

Sealed chamber

67
218/76

Arcing chamber

18
218/75

Busbar

22
218/74

Contact structure

16
218/80

Disconnect switch

38
218/79

Grounding switch

46
218/78

Operating mechanism structure or arrangement

65
218/69

Plural switch connected in series

6
218/70

Hybrid-type

8
218/71

Polyphase

16
218/77

Shielding

7
218/72

With nozzle

9
218/73

With throat region

3
218/56

Self extinguishing

11
218/51

With gas flow means

52
218/52

Exhaust port

9
218/53

With nozzle

35
218/54

With throat region

9
218/149

Arc chute assembly

119
218/150

Material

58
218/151

Metal plates structure

37
218/148

Arc runner (e.g., arc horn)

49
218/8

Auxiliary shunt

22
218/15

Arc chute assembly

22
218/16

Contact structure

23
218/17

Movable contact assembly

8
218/18

Arcing contact

13
218/20

Movable contact assembly pivots

16
218/21

Arcing contact pivots relative to movable main contact assembly

4
218/19

Movable contact assembly reciprocates

11
218/12

Disconnect switch

43
218/13

Gas type

16
218/14

Operating mechanism structure or arrangement

53
218/9

Polyphase

9
218/11

Tubular shaped

6
218/10

Vacuum switch

28
218/146

Contact structure

83
218/147

Arc shielding means

39
218/155

Housing structure

130
218/156

Arcing chamber

89
218/158

Arc extinguishing material

40
218/157

With venting means

101
218/89

Interposed non-conductor

25
218/90

Gas-evolving chamber

48
218/91

Liquid

15
218/103

Arcing chamber

2
218/105

Grid or baffle stack

8
218/104

Including magnet or coil

1
218/106

With venting means

4
218/110

Bridging contacts

1
218/107

Contact structure

7
218/108

Movable

1
218/100

Disconnect switch

5
218/111

Explosion pot

2
218/97

Housing or tank structure

6
218/98

With raising and lowering means

3
218/99

With venting means

5
218/112

Oil poor breaker

5
218/92

Operating mechanism structure or arrangement

13
218/95

Chemical explosive primer

6
218/94

Delay means (e.g., dashpot)

3
218/93

Piston

5
218/96

With oil flow feature

0
218/101

Polyphase

2
218/114

Pressure generating arc control means

8
218/115

Plural series connected

3
218/116

Puffer-piston

7
218/113

Rotary contact

10
218/109

Valve (e.g., spring biased valve plate)

4
218/102

With resistor

2
218/117

Solid

46
218/22

Magnetic blowout

131
218/34

Arc chute

72
218/36

Arc runner (e.g., arc horn)

36
218/37

Insulated conductor structure

10
218/38

Arc splitting means

25
218/39

Skew, parallel, or vertical position

3
218/35

With vent means

26
218/40

Arc runner (e.g., arc horn)

33
218/29

Arc spinner

22
218/41

Barrier

10
218/30

Contact structure

39
218/31

Bridging contacts

16
218/32

Pivot

42
218/33

Reverse looped or flexible stationary contact

11
218/23

Permanent magnet

34
218/27

Connected to contact

15
218/26

Located inside switch housing

46
218/25

Located outside switch housing

5
218/24

Magnetic yoke structure

8
218/28

Plural coils

9
218/42

Within vacuum

3
218/2

Multiple break

34
218/3

Hybrid-type

28
218/7

Operating mechanism structure or arrangement

78
218/6

Sequential break

19
218/4

Series connected break

31
218/5

Simultaneous break

15
218/154

Operating mechanism structure or arrangement

268
218/152

Polyphase

32
218/153

Operating mechanism structure or arrangement

53
218/143

Resistance inserting

105
218/144

With capacitor

16
218/118

Vacuum

153
218/139

Housing structure

58
218/140

Operating mechanism structure or arrangement

121
218/119

Polyphase

32
218/120

Operating mechanism structure or arrangement

97
218/121

Single-pole

29
218/123

Contact structure

113
218/126

Auxiliary

25
218/125

Fixed

9
218/124

Movable

14
218/127

Significant shape

55
218/129

Coil

57
218/128

Slotted or grooved

66
218/130

Specific material

74
218/132

Alloy

31
218/133

Beryllium

5
218/131

Getter

6
218/134

Housing structure

75
218/135

Bellows

38
218/138

Potted or encapsulated

30
218/136

Shielding

70
218/137

With support

11
218/122

Pressure monitoring means

18
218/141

With magnetic coil

20
218/142

Located inside housing

11
218/145

With capacitor

14
 
 
  Recently Added Patents
Nacelle cover
High performance design rule checking technique
Patient interface
Method for switching channels in a wireless communication network
Transmitting a synchronizing signal in a packet network
Power-on reset circuit
Tactile output device for computing device notifications
  Randomly Featured Patents
Parallel power supply system with over-voltage protection circuit
Suit variable mahjong tile and a mahjong gaming apparatus with suit variable mahjong tiles
Method and system for simultaneously supporting different block sizes on a single hard drive
Fuel additive
Airfoil having improved impact and erosion resistance and method for preparing same
Button for a mobile computing device
Modular electrical distribution system
Inbred maize line PH5CT
Method and apparatus for forming extruded metal tubes
System and method of performing uniform dose implantation under adverse conditions