Inventor
STRUEMPLER RALF
CH24 patents
⚠️ This page may combine multiple inventors who share the name “STRUEMPLER RALF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABB RESEARCH LTD
20 patentsUS6738246B1May 18, 2004
Electrical circuit breaker for protecting against overcurrents
ABB RESEARCH LTD101 citations98
US5414403AMay 9, 1995
Current-limiting component
ABB RESEARCH LTD72 citations96
US6469611B1Oct 22, 2002
Non-linear resistance with varistor behavior and method for the production thereof
ABB RESEARCH LTD33 citations92
US5925467AJul 20, 1999
Electrically and thermally conductive plastic and use of this plastic
ABB RESEARCH LTD34 citations92
US5858533AJan 12, 1999
Composite material
ABB RESEARCH LTD40 citations92
US5602520AFeb 11, 1997
Electrical resistance element and use of this resistance element in a current limiter
ABB RESEARCH LTD28 citations92
US6492799B1Dec 10, 2002
Monitor circuit for a current limiting device
ABB RESEARCH LTD19 citations91
US5990778ANov 23, 1999
Current-limiting resistor having PTC behavior
ABB RESEARCH LTD54 citations91
US5416462AMay 16, 1995
Electrical resistance element
ABB RESEARCH LTD45 citations91
US6613993B1Sep 2, 2003
Microrelay working parallel to the substrate
ABB RESEARCH LTD16 citations84
US6628485B1Sep 30, 2003
Apparatus for limiting an electrical current
ABB RESEARCH LTD17 citations83
US6515570B2Feb 4, 2003
Fuse with overstoichiometric amount of oxidant
ABB RESEARCH LTD14 citations83
US7109560B2Sep 19, 2006
Micro-electromechanical system and method for production thereof
ABB RESEARCH LTD8 citations74
US6429766B1Aug 6, 2002
Electrical device comprising a PTC polymer element for overcurrent fault and short-circuit fault protection
ABB RESEARCH LTD8 citations73
US6259349B1Jul 10, 2001
Electrical component with a constriction in a PTC polymer element
ABB RESEARCH LTD7 citations71
US6157290ADec 5, 2000
Resistor element
ABB RESEARCH LTD13 citations71
US5861795AJan 19, 1999
Current-limiting resistor having PTC behavior
ABB RESEARCH LTD16 citations71
US6932928B2Aug 23, 2005
Method of producing a PTC-resistor device
ABB RESEARCH LTD2 citations59
US6396383B1May 28, 2002
Protective element
ABB RESEARCH LTD5 citations59
US6743989B2Jun 1, 2004
Microswitch
ABB RESEARCH LTD0 citations52