Ralf Strumpler — 24 Patents at Abb Research

Ralf Strumpler has been granted 24 US patents while listed as an inventor at Abb Research. The first was granted in 1993 and the most recent in April 2009. Ralf Strumpler ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Ralf Strumpler in Baden, CH.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7524166	Compressor cleaning system	Martin Thiele, Henning Fuhrmann, Joachim Glatz-Reichenbach	2009-04-28
7109560	Micro-electromechanical system and method for production thereof	—	2006-09-19
6932928	Method of producing a PTC-resistor device	Ruzica Loitzl-Jelenic, Joachim Glatz-Reichenbach	2005-08-23
6743989	Microswitch	—	2004-06-01
6738246	Electrical circuit breaker for protecting against overcurrents	—	2004-05-18
6628485	Apparatus for limiting an electrical current	Erkki Rajala, Joachim Glatz-Reichenbach, Timo Jokiniemi	2003-09-30
6613993	Microrelay working parallel to the substrate	—	2003-09-02
6563683	Electrical switchgear	—	2003-05-13
6515570	Fuse with overstoichiometric amount of oxidant	Uwe Kaltenborn, Joachim Glatz-Reichenbach, Felix Greuter	2003-02-04
6492799	Monitor circuit for a current limiting device	Erkki Rajala, Timo Jokiniemi	2002-12-10
6469611	Non-linear resistance with varistor behavior and method for the production thereof	Petra Kluge-Weiss, Felix Greuter	2002-10-22
6429766	Electrical device comprising a PTC polymer element for overcurrent fault and short-circuit fault protection	Joachim Glatz-Reichenbach	2002-08-06
6396383	Protective element	Joachim Glatz-Reichenbach, Felix Greuter, Ruzica Loitzl-Jelenic, Jorgen Skindhoj	2002-05-28
6259349	Electrical component with a constriction in a PTC polymer element	Joachim Glatz-Reichenbach, Erkki Rajala, Jorgen Skindhoj	2001-07-10
6157290	Resistor element	Joachim Glatz-Reichenbach, Jorgen Skindhoj, Felix Greuter	2000-12-05
5990778	Current-limiting resistor having PTC behavior	Jan-Henrik Kuhlefelt	1999-11-23
5925467	Electrically and thermally conductive plastic and use of this plastic	Friedrich Konig	1999-07-20
5861795	Current-limiting resistor having PTC behavior	Joachim Glatz-Reichenbach, Felix Greuter, Gerhard Mauthe, Zdenek Pelanek, Claus Schuler +1 more	1999-01-19	$541,000
5858533	Composite material	Felix Greuter	1999-01-12	$554,000
5602520	Electrical resistance element and use of this resistance element in a current limiter	Tudor Baiatu, Felix Greuter	1997-02-11	$625,000
5416462	Electrical resistance element	Anton Demarmels, Felix Greuter	1995-05-16	$274,000
5414403	Current-limiting component	Felix Greuter, Claus Schuler	1995-05-09	$316,000
5313184	Resistor with PTC behavior	Felix Greuter, Claus Schuler	1994-05-17	$387,000
5248890	Valance specific lanthanide doped optoelectronic metal fluoride semiconductor device	Hans Luth, Harald Muller, Jürgen Schneider	1993-09-28

Ralf Strumpler — 24 Patents

Issued Patents All Time

Patent Widget