Inventor · disambiguated record
James L. Stopa
Also filed as: STOPA JAMES L
20 granted patents·2 pending applications·1,228 citations·filing 1989–2017
96Inventor score
Top patents by PatentIndex Score
22 records- 0198US6641284B2LED light assemblyWHELEN ENG·Filed 2002·Granted Nov 4, 2003·410 cites·23 claims
- 0297US6431728B1Multi-array LED warning lightsWHELEN ENG·Filed 2000·Granted Aug 13, 2002·146 cites·37 claims
- 0396US8201974B1Pan-tilt spotlightSMITH KEVIN M·Filed 2010·Granted Jun 19, 2012·52 cites·4 claims
- 0496US6318886B1High flux led assemblyWHELEN ENGINEERING COMPANY·Filed 2000·Granted Nov 20, 2001·298 cites·14 claims
- 0589US5027260AVehicular lightbar assemblyWHELEN TECHNOLOGIES INC·Filed 1989·Granted Jun 25, 1991·49 cites·15 claims
- 0688US5016139AElectronic power supply with enhanced heat transfer characteristicsWHELEN TECHNOLOGIES INC·Filed 1989·Granted May 14, 1991·64 cites·19 claims
- 0787US7116294B2LED driver circuitsWHELEN ENG·Filed 2003·Granted Oct 3, 2006·42 cites·24 claims
- 0884US6583988B1Encapsulated power supplyWHELEN ENG·Filed 2002·Granted Jun 24, 2003·32 cites·15 claims
- 0976US10420177B2LED illumination module with fixed optic and variable emission patternWHELEN ENG·Filed 2017·Granted Sep 17, 2019·2 cites·17 claims
- 1074US4970439APower supply circuit for a gaseous discharge tube deviceMINNESOTA MINING & MFG·Filed 1989·Granted Nov 13, 1990·20 cites·6 claims
- 1167US8450936B1Dual range power supplySTOPA JAMES L·Filed 2010·Granted May 28, 2013·3 cites·19 claims
- 1266US6155694AComposite warning light with emission pattern matchingWHELEN ENG·Filed 1998·Granted Dec 5, 2000·27 cites·30 claims
- 1364US5157382ADirectional information conveying method and apparatusWHELEN TECHNOLOGIES INC·Filed 1990·Granted Oct 20, 1992·22 cites·11 claims
- 1458US6317052B1Pattern selection method and apparatusWHELEN ENG·Filed 2000·Granted Nov 13, 2001·10 cites·13 claims
- 1557USRE38795EPattern selection method and apparatusWHELEN ENG·Filed 2003·Granted Sep 13, 2005·9 cites·23 claims
- 1655US4972185ARadiant energy signal transmitterMINNESOTA MINING & MFG·Filed 1989·Granted Nov 20, 1990·14 cites·4 claims
- 1754USD500384SReflector for light assemblyWHELEN ENG·Filed 2002·Granted Dec 28, 2004·8 cites·1 claims
- 1854US5160874ARotatable warning light assemblyWHELEN TECHNOLOGIES INC·Filed 1991·Granted Nov 3, 1992·15 cites·11 claims
- 1946US2013234618A1Single Input Power Wire - Multi Function ControlWHELEN ENG·Filed 2013·Application pending·0 cites
- 2045US10400994B2LED illumination module with fixed optic and variable emission patternWHELEN ENG·Filed 2016·Granted Sep 3, 2019·0 cites·11 claims
- 2138US5013973APower supply for intermittently operated loadsWHELEN TECHNOLOGIES INC·Filed 1989·Granted May 7, 1991·5 cites·18 claims
- 2238US2003147242A1White LED arrayWHELEN ENG·Filed 2003·Application pending·0 cites
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