Patent International Class: H01H 9/44
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Mold cased circuit breaker
Inventor: Park | Patent Number: 7948336
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Switching device for direct-current applications
Inventor: Schmitz, et al. | Patent Number: 7915985
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Design and method for keeping electrical contacts closed during short circuits
Inventor: DeBoer, et al. | Patent Number: 7772943
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Arc chute assembly for a circuit breaker
Inventor: Rane, et al. | Patent Number: 7705263
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Circuit breaker apparatus
Inventor: Harmon, et al. | Patent Number: 7633365
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Electromechanical circuit breaker and method of breaking the current in said electromechanical circuit breaker
Inventor: Martin, et al. | Patent Number: 7518477
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Breaker for providing successive trip mechanism based on PTC current-limiting device
Inventor: Kang, et al. | Patent Number: 7141751
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Arc-quenching device for circuit breakers having double-break contacts
Inventor: Schneider, et al. | Patent Number: 7081596
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Rotating arc fault-current interrupter
Inventor: Evans, et al. | Patent Number: 6943313
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Electromagnetic relay
Inventor: Sato, et al. | Patent Number: 6853275
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Circuit breaker slot motor having a stepped out portion
Inventor: Zindler | Patent Number: 6831536
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Electromagnetic relay
Inventor: Sato, et al. | Patent Number: 6831533
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D.C. circuit breaker with magnets for reducing contact arcing
Inventor: Fasano | Patent Number: 6809282
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D.C. circuit breaker with magnets for reducing contact arcing
Inventor: Fasano | Patent Number: 6809282
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Electromagnetic relay
Inventor: Sato, et al. | Patent Number: 6756868
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Contactor
Inventor: Yamamoto, et al. | Patent Number: 6700466
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Arc extinguishing aid
Inventor: Pniok | Patent Number: 6683764
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Latching magnetic relay assembly
Inventor: Gruner | Patent Number: 6563409
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Current-limiting contact arrangement
Inventor: Heins, et al. | Patent Number: 6518530
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Current-limiting contact arrangement
Inventor: Heins, et al. | Patent Number: 6518530
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Arc suppressed electrical connectors
Inventor: Schoepf, et al. | Patent Number: 6491532
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Electromagnetic relay
Inventor: Sato, et al. | Patent Number: 6489868
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Molded case circuit breaker
Inventor: Asada, et al. | Patent Number: 6480080
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Circuit breaker
Inventor: Fujihira, et al. | Patent Number: 6456176
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Trip override for rotary breaker
Inventor: Green, et al. | Patent Number: 6403909
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Switch with contacts which can be seen through a window
Inventor: Postmus, et al. | Patent Number: 6373355
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Pole for a low-voltage limiting electrical power circuit breaker and a circuit breaker equipped with such a pole
Inventor: Brouillat, et al. | Patent Number: 6373016
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Current limiting device and circuit interrupter having a current limiting function
Inventor: Mitsuhashi, et al. | Patent Number: 6373014
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Current limiting device and circuit interrupter having a current limiting function
Inventor: Mitsuhashi, et al. | Patent Number: 6373014
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Current contact system for a current switch
Inventor: Niemeyer | Patent Number: 6320149
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Circuit interrupter having an improved slot motor assembly
Inventor: Munsch, et al. | Patent Number: 6281459
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Circuit breaker auxiliary magnetic trip unit with pressure sensitive release
Inventor: Castonguay, et al. | Patent Number: 6281458
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Switchgear apparatus contact assembly including slot and ferromagnetic insert for enhancing arc extinguishing characteristics
Inventor: Faure, et al. | Patent Number: 6265685
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Cassette assembly with rejection features
Inventor: Doughty, et al. | Patent Number: 6239398
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Relay circuit for high-voltage operation of a bi-directional DC motor
Inventor: Feil, et al. | Patent Number: 6153990
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Electric current switching apparatus having an arc extinguisher with an electromagnet
Inventor: Moldovan | Patent Number: 6100491
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Circuit breaker for low tension with connecting bars
Inventor: Turkmen | Patent Number: 6100490
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Single pole relay switch
Inventor: Uotome, et al. | Patent Number: 6075429
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Magnetic enhanced arc extinguisher for switching assemblies having rotatable permanent magnets in housings mounted to fixed contacts
Inventor: Moldovan | Patent Number: 6064024
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Circuit breaker with high electrodynamic strength and breaking capacity
Inventor: Rival, et al. | Patent Number: 6018284
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Method for retaining a movable contact in a circuit interrupter
Inventor: Wieloch | Patent Number: 6013889
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Coil shaped terminal for an electrodynamically operated circuit breaker
Inventor: Zacharias, et al. | Patent Number: 5898148
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Electric current switching apparatus with dual magnet arc spinning extinguisher
Inventor: Moldovan | Patent Number: 5877464
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Electric current switching apparatus with dual magnet arc spinning extinguisher
Inventor: Moldovan | Patent Number: 5877464
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Electric current switching apparatus with arc spinning extinguisher
Inventor: Mody, et al. | Patent Number: 5866864
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Electric current switching apparatus with arc spinning extinguisher
Inventor: Mody, et al. | Patent Number: 5866864
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Circuit breaker having contacts with erosion-resistant covering
Inventor: Niemeyer | Patent Number: 5844189
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Circuit breaker
Inventor: Asakawa, et al. | Patent Number: 5837954
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Apparatus for retaining a movable contact in a circuit interrupter
Inventor: Wieloch | Patent Number: 5834723
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Apparatus for retaining a movable contact in a circuit interrupter
Inventor: Wieloch | Patent Number: 5834723
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Electric switch with arc chute, radially converging arc splitter plates, and movable and stationary arc runners
Inventor: Moldovan, et al. | Patent Number: 5818003
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Circuit breaker magnetic blowout arc extinguishing device with arc runner features
Inventor: Maki | Patent Number: 5770827
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Electric current switching apparatus with tornadic arc extinguishing mechanism
Inventor: Moldovan, et al. | Patent Number: 5763847
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Molded case circuit breaker with arc suppressant features including magnetically permeable arc horn mounted on the contact arm
Inventor: Fasano | Patent Number: 5744772
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Power switch with an ARC quenching device
Inventor: Manthe, et al. | Patent Number: 5731561
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High amperage disconnect switch
Inventor: Mina, et al. | Patent Number: 5717182
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Electrical contact assembly
Inventor: Weber | Patent Number: 5686712
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Sealed contact device and operating mechanism
Inventor: Kishi, et al. | Patent Number: 5680084
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Switch including a moving element, a repelling element and a conductor
Inventor: Mitsuhashi, et al. | Patent Number: 5596184
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Circuit breaker with arc quenching device and vent
Inventor: Uchida, et al. | Patent Number: 5589672
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Method for interrupting electrical power between two conductors
Inventor: Wieloch, et al. | Patent Number: 5587861
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High voltage switch including U-shaped, slitted stationary contact assembly with arc extinguishing/magnetic blowout features
Inventor: Mitsuhashi, et al. | Patent Number: 5583328
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Circuit breaker arc quenching device with venting structure including flapper valve
Inventor: Uchida, et al. | Patent Number: 5569894
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Circuit breaker with insulation device
Inventor: Kuboyama, et al. | Patent Number: 5548258
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Plunger type electromagnetic relay with arc extinguishing structure
Inventor: Okabayashi, et al. | Patent Number: 5546061
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Sealed relay device
Inventor: Perreira, et al. | Patent Number: 5519370
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Rotating arc interrupter for loadbreak switch
Inventor: Steele, et al. | Patent Number: 5464956
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Direct current switching apparatus
Inventor: Moldovan, et al. | Patent Number: 5416455
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DC vacuum relay device
Inventor: Perreira, et al. | Patent Number: 5394128
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Electrical contactor and interrupter employing a rotary disc
Inventor: Juds, et al. | Patent Number: 5351024
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Electrical contactor employing a rotary disc
Inventor: Juds, et al. | Patent Number: 5319167
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Molded case circuit breaker contact
Inventor: Vial, et al. | Patent Number: 5313180
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Electric switch gear with improved stationary contact configuration
Inventor: Takahashi, et al. | Patent Number: 5313031
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Molded case circuit breaker with contact bridge slowed down at the end of repulsion travel
Inventor: Vial, et al. | Patent Number: 5310971
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Arc extinguishing device having a focused field
Inventor: Richter | Patent Number: 5291167
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Compact circuit breaker
Inventor: Sehmer, et al. | Patent Number: 5241290
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Molded case circuit breaker combined accessory actuator-reset lever
Inventor: Morgan | Patent Number: 5172088
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Repulsion type circuit breaker control device
Inventor: Uchida, et al. | Patent Number: 5164560
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Circuit breaker with current loops assisting development of the arc
Inventor: Blanchard, et al. | Patent Number: 5142111
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Bi-directional direct current switching apparatus having arc extinguishing chambers alternatively used according to polarity applied to said apparatus
Inventor: Moldovan, et al. | Patent Number: 5138122
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Magnetic shielding means for a current sensor of direct current switching apparatus
Inventor: Moldovan, et al. | Patent Number: 5132497
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Magnetic shielding means for a current sensor of direct current switching apparatus
Inventor: Moldovan, et al. | Patent Number: 5132497
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Bi-directional direct current switching apparatus having bifurcated arc runners extending into separate arc extinguishing chambers
Inventor: Moldovan, et al. | Patent Number: 5130504
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Switch with contacts
Inventor: Maenishi | Patent Number: 5109146
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Electrical circuit breaker with self-extinguishing expansion and insulating gas
Inventor: Kersusan, et al. | Patent Number: 5057655
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Electromagnetic contactor
Inventor: Ootsuka | Patent Number: 5014027
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Direct current switching apparatus
Inventor: Theisen, et al. | Patent Number: 5004874
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CT quick change assembly and force transmitting spacer
Inventor: McKee, et al. | Patent Number: 4996507
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Compact DC/AC circuit breaker with common arc extinguishing capability
Inventor: Walker, et al. | Patent Number: 4962406
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Moving mains arc movement loop
Inventor: Buxton, et al. | Patent Number: 4926018
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Rotating arc and expansion circuit breaker
Inventor: Bernard, et al. | Patent Number: 4900882
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Stationary contact for low-voltage circuit breakers
Inventor: Mostosi | Patent Number: 4866403
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Sealed contact device
Inventor: Toguchi, et al. | Patent Number: 4866227
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Electric switch with counteracting electro-electro-dynamic forces
Inventor: Becker, et al. | Patent Number: 4849590
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Air break contactor
Inventor: Orosz | Patent Number: 4843194
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Secure magnet blowout mounting for relays
Inventor: Minnette | Patent Number: 4835502
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Current-limiting switching element
Inventor: Wolf | Patent Number: 4810841
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Current limiting circuit interrupter
Inventor: Takeuchi, et al. | Patent Number: 4743720
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Contact arrangement for low-voltage circuit breakers with main contacts and burn-off contacts
Inventor: Adam | Patent Number: 4720613
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Current limiter
Inventor: Schreurs, et al. | Patent Number: 4714974