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Publication numberUS3858147 B1
Publication typeGrant
Publication dateDec 19, 1989
Filing dateDec 14, 1973
Priority dateDec 14, 1972
Publication numberUS 3858147 B1, US 3858147B1, US-B1-3858147, US3858147 B1, US3858147B1
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet

US 3858147 B1
Abstract  available in
Description  available in
Claims  available in
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4159459 *Jun 23, 1977Jun 26, 1979Angstrohm Precision, Inc.Non-inductive cylindrical thin film resistor
US4268954 *Mar 2, 1979May 26, 1981Angstrohm Precision IncorporatedMethod of making non-inductive cylindrical thin film resistor
US4517497 *Nov 2, 1983May 14, 1985Reynolds Industries Inc.Capacitor discharge apparatus
US4670734 *Nov 14, 1984Jun 2, 1987Caddock Richard EMethod of making a compact, high-voltage, noninductive, film-type resistor
US4766410 *Oct 14, 1986Aug 23, 1988Caddock Electronics, Inc.High-voltage cylindrical film-type resistor and method of making it
US4866411 *Mar 25, 1988Sep 12, 1989Caddock Richard EFilm-type cylindrical resistor, and method of making it
US5231372 *Oct 9, 1991Jul 27, 1993Caddock Electronics, Inc.Method of manufacturing high-voltage and/or high-power thick-film screen-printed cylindrical resistors having small sizes, low voltage coefficients, and low inductance, and resistor thus manufactured
US6647779 *May 28, 2002Nov 18, 2003Ngk Insulators, Ltd.Temperature sensing resistance element and thermal flow sensor using same
US7911319 *Feb 6, 2008Mar 22, 2011Vishay Dale Electronics, Inc.Resistor, and method for making same
US8344846Mar 18, 2011Jan 1, 2013Vishay Dale Electronics, Inc.Cylindrical current sense resistor
US8730003Dec 28, 2012May 20, 2014Vishay Dale Electronics, Inc.Resistor and method for making same
US9378872May 16, 2014Jun 28, 2016Vishay Dale Electronics, LlcResistor and method for making same
US20090195348 *Feb 6, 2008Aug 6, 2009Vishay Dale Electronics, Inc.Resistor, and method for making same
US20110162197 *Mar 18, 2011Jul 7, 2011Vishay Dale Electronics, Inc.Cylindrical current sense resistor
EP0501593A2 *Feb 7, 1989Sep 2, 1992Richard E. CaddockFilm-type resistor
EP0501593A3 *Feb 7, 1989Nov 25, 1992Richard E. CaddockFilm-type resistor
International ClassificationH01C17/06, H01C7/22, H01C17/065, H01C7/00
Cooperative ClassificationH01C17/065, H01C7/003, H01C7/22
European ClassificationH01C17/065, H01C7/22, H01C7/00D
Legal Events
Dec 19, 1989B1Reexamination certificate first reexamination
Apr 5, 1988RRRequest for reexamination filed
Effective date: 19880226