Inventor · disambiguated record
Alvin R. Wirthlin
Also filed as: WIRTHLIN ALVIN R
17 granted patents·3 pending applications·398 citations·filing 1997–2015
95Inventor score
Top patents by PatentIndex Score
20 records- 0195US9464953B2System and method for gauging safe towing parametersWIRTHLIN ALVIN R·Filed 2012·Granted Oct 11, 2016·38 cites·33 claims
- 0294US9068875B1Optical liquid level transducerWIRTHLIN ALVIN R·Filed 2012·Granted Jun 30, 2015·18 cites·22 claims
- 0390US9465000B1System and method for electronically determining fluid parametersINTELLECTUAL RESERVES LLC·Filed 2015·Granted Oct 11, 2016·16 cites·23 claims
- 0484US6029783AVariable resistance device using electroactive fluidFiled 1998·Granted Feb 29, 2000·45 cites·15 claims
- 0582US7161165B2Optical transducer for continuously determining liquid levelOPTI SENSOR SYSTEMS LLC·Filed 2004·Granted Jan 9, 2007·29 cites·17 claims
- 0680US7109512B2Optical transducer for detecting liquid level and electrical circuit thereforOPTI SENSOR SYSTEMS LLC·Filed 2004·Granted Sep 19, 2006·27 cites·19 claims
- 0780US6449419B1Optical viewing system and clamping device thereforFiled 2000·Granted Sep 10, 2002·51 cites·23 claims
- 0877US8934102B2System and method for determining fluid parametersINTELLECTUAL RESERVES LLC·Filed 2014·Granted Jan 13, 2015·4 cites·20 claims
- 0976US6872933B2Optical transducerFiled 2001·Granted Mar 29, 2005·22 cites·33 claims
- 1076US5796472AOptical translucency indicator for measurement of air filter dirtiness, liquid level, thickness, and other parametersFiled 1997·Granted Aug 18, 1998·45 cites·22 claims
- 1175US6333512B1Optical gauge for determining the level of a medium in a containerFiled 1999·Granted Dec 25, 2001·51 cites·20 claims
- 1274US9970729B1Archery arrow rest assembly and slider thereforTRUGLO INC·Filed 2014·Granted May 15, 2018·10 cites·15 claims
- 1374US9568266B1Articulated support stick for weapons and other devicesTRUGLO INC·Filed 2014·Granted Feb 14, 2017·14 cites·20 claims
- 1466US7259383B2Optical transducer for detecting liquid levelOPTI SENSOR SYSTEMS LLC·Filed 2004·Granted Aug 21, 2007·13 cites·23 claims
- 1559US9464869B1Archery bowsight with hybrid support bracketTRUGLO INC·Filed 2015·Granted Oct 11, 2016·2 cites·20 claims
- 1651US2009143157A1Alignment device for golfersOPTI SENSOR SYSTEMS LLC·Filed 2007·Application pending·0 cites
- 1750US2014342319A1Educational Game for MathWIRTHLIN ALVIN R·Filed 2014·Application pending·0 cites
- 1849US6246049B1Optical transducerFiled 1999·Granted Jun 12, 2001·13 cites·22 claims
- 1938US2013253814A1System and Method for Gauging Safe Towing ParametersWIRTHLIN ALVIN R·Filed 2013·Application pending·0 cites
- 2034US9869227B2System and method for repeatable fluid measurementsINTELLECTUAL RESERVES LLC·Filed 2015·Granted Jan 16, 2018·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →