US Patent No: 4,700,082

Number of patents in Portfolio can not be more than 2000

Circuit breaker

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Importance

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Abstract

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A circuit breaker for automatically interrupting the flow of an electric current from a power supply to a load such as a microcomputer before the load malfunctions so as to avoid an unexpected accident such as a fire. The circuit breaker includes a wire subject to erosion upon exposure to an acid atmosphere which will separate prior to the malfunction of the load to interrupt the flow of current to the load. Alternatively, the circuit breaker could include a mass of powdery material which expands upon exposure to an acid atmosphere to operate a switch to interrupt the flow of current.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AISIN SEIKI KABUSHIKI KAISHAKARIYA-SHI AICHI-KEN, JP1708

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asou, Yasuhiro Aichi, JP 1 3
Oguma, Tomio Aichi, JP 20 261
Takeda, Hisanobu Aichi, JP 8 95

Cited Art Landscape

Patent Info (Count) # Cites Year
 
WESTINGHOUSE ELECTRIC CORPORATION (1)
* 4,618,906 Hybrid solid state/mechanical switch with failure protection 23 1984
 
LINDNER GMBH FABRIK ELECTRISCHER LAMPEN UND APPARATE (1)
* 4,556,874 Fusible circuit breaker 20 1982
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
WHISPER COMMUNICATIONS (1)
* 6,774,807 Tamper detection mechanism 15 1999
 
AISIN SEIKI KABUSHIKI KAISHA (1)
* 5,489,808 Electric circuit substrate apparatus 0 1995
 
SIEMENS AKTIENGESELLSCHAFT (1)
* 5,747,984 Switching component for detecting contact erosion 7 1995
* Cited By Examiner