Featured patents

Arc Chute, Circuit Breaker for a Medium Voltage Circuit, and Use of a Polymer Plate
US 08829380 B2, Sept. 9, 2014, Arc chute assembly, Philippe Haeberlin et al. / ABB Technology AG (Zürich, CH)
Arc chute for a medium voltage circuit breaker, comprising:…

Hair Extension Device
US 08859926 B2, Oct. 14, 2014, With nozzle, Michelle Elizabeth Freelove / (Battle Creek, US)
A hair extension device comprising a filament and a hair flap:…

Electric Switchgear
US 08859925 B2, Oct. 14, 2014, With nozzle, Tomasz Magier et al. / Siemens Aktiengesellschaft (Munich, DE)
An electrical switching device, comprising:…

Switchgear and Method for Operating Switchgear
US 08710388 B2, April 29, 2014, Operating mechanism structure or arrangement, Tomoaki Utsumi et al. / Hitachi, Ltd. (Tokyo, JP)
A switchgear, comprising:…

Vacuum Interrupter
US 08698034 B2, April 15, 2014, Shielding, Jae Seop Ryu / LSIS Co., Ltd. (Anyang, Gyeonggi-Do, KR)
A vacuum interrupter comprising:…

Switching Device With a Vacuum Interrupter Chamber
US 08658933 B2, Feb. 25, 2014, Movable, Dietmar Gentsch / ABB Technology AG (Zurich, CH)
A switching device comprising:…

Vacuum Circuit Breaker
US 08642912 B2, Feb. 4, 2014, Operating mechanism structure or arrangement, Dong Sik Lee / LS Industrial Systems Co., Ltd. (Anyang-Si, Gyeonggi-Do, KR)
A vacuum circuit breaker, comprising:…

Magnetic Actuator Circuit for High-Voltage Switchgear
US 08569645 B2, Oct. 29, 2013, Disconnect switch, Marc Bonjean / Schneider Electric Energy France (Rueil Malmaison, FR)
A magnetic actuator circuit for high-voltage switchgear for a vacuum circuit…

High Voltage Circuit Breaker With Improved Gas Exhaust
US 08530774 B2, Sept. 10, 2013, With gas flow means, Roger Ledru et al. / Areva T&D SA (Paris la Defense, FR)
A method of evacuating a stream of hot gases produced in a current breaking…

Low-Voltage Circuit Breaker With Sealed Interchangeable Poles
US 08455781 B2, June 4, 2013, Operating mechanism structure or arrangement, Federico Gamba et al. / ABB S.p.A. (Milan, IT)
A low-voltage circuit breaker comprising:…

Patentorg has 114 documents under High-Voltage Switches With Arc Preventing or Extinguishing Devices Patents.

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