Inventor · disambiguated record
John F. Farrow
Also filed as: FARROW JOHN · FARROW JOHN F · FARROW JOHN FOSTER
15 granted patents·1 pending application·200 citations·filing 1974–2014
93Inventor score
Files withMEDAR INC10FARROW JOHN FOSTER2COMMW SCIENT IND RES ORG1KELSEY HAYES CO1WELDING TECHNOLOGY CORP1
Top patents by PatentIndex Score
16 records- 0193US7420133B2Door interlock for rotary actuated circuit breakerWELDING TECHNOLOGY CORP·Filed 2007·Granted Sep 2, 2008·57 cites·20 claims
- 0279US6342686B1Method for determining a condition of a resistance spotwelding system or a workpiece in the systemMEDAR INC·Filed 2000·Granted Jan 29, 2002·20 cites·49 claims
- 0374US8212570B1Amplifier circuit for a current transformerFARROW JOHN FOSTER·Filed 2009·Granted Jul 3, 2012·8 cites·5 claims
- 0470US4001540AWelding monitoring and control systemKELSEY HAYES CO·Filed 1974·Granted Jan 4, 1977·22 cites·10 claims
- 0563US9488316B2Method, system and device for reducing friction of viscous fluid flowing in a conduitCOMMW SCIENT IND RES ORG·Filed 2014·Granted Nov 8, 2016·2 cites·15 claims
- 0663US6225590B1Method for determining a condition of a resistance spotwelding system or a workpiece in the systemMEDAR INC·Filed 1999·Granted May 1, 2001·19 cites·15 claims
- 0763US4885451AAutomatic stepper for resistance weldingMEDAR INC·Filed 1988·Granted Dec 5, 1989·18 cites·17 claims
- 0858US4804819AStructure and method for resistance welding with an inductively coupled power sourceMEDAR INC·Filed 1986·Granted Feb 14, 1989·14 cites·18 claims
- 0957US4851635AMethod and apparatus for determining the power factor of a circuitMEDAR INC·Filed 1988·Granted Jul 25, 1989·14 cites·31 claims
- 1053US8174399B1Methods to detect hazardous conditions in a safety ground circuit in the presence of ground loop currents and electrical noiseFARROW JOHN FOSTER·Filed 2009·Granted May 8, 2012·0 cites·2 claims
- 1148US5793243AMethod of stabilizing an electronic signal integratorMEDAR INC·Filed 1994·Granted Aug 11, 1998·12 cites·10 claims
- 1239US5757176AMethod and system for controlling output current of a large, low-voltage, DC power supply and obtaining diagnostic information from the operation thereofMEDAR INC·Filed 1997·Granted May 26, 1998·9 cites·32 claims
- 1339US2013126004A1Method, system and device for reducing friction of viscous fluid flowing in aconduitWU JIE·Filed 2010·Application pending·0 cites
- 1432US4513363AStructure for and method of reducing impedance in multiphase direct current power suppliesMEDAR INC·Filed 1982·Granted Apr 23, 1985·2 cites·19 claims
- 1530US4831229AHigh frequency resistance spot welding structure and methodMEDAR INC·Filed 1986·Granted May 16, 1989·2 cites·16 claims
- 1629US4733045AMethod of and structure for high speed resistance seam weldingMEDAR INC·Filed 1986·Granted Mar 22, 1988·1 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →