Inventor · disambiguated record
David M. Hrubowchak
Also filed as: HRUBOWCHAK DAVID · HRUBOWCHAK DAVID M
10 granted patents·1 pending application·147 citations·filing 1994–2013
87Inventor score
Top patents by PatentIndex Score
11 records- 0192US5486737AHeavily loaded double-ended arc lampOSRAM SYLVANIA INC·Filed 1994·Granted Jan 23, 1996·85 cites·6 claims
- 0282USD540961SLight bulbOSRAM SYLVANIA INC·Filed 2006·Granted Apr 17, 2007·37 cites·1 claims
- 0376US7301283B1Starting aid for low wattage metal halide lampsOSRAM SYLVANIA INC·Filed 2007·Granted Nov 27, 2007·5 cites·3 claims
- 0469US7575343B2Faceted par lampOSRAM SYLVANIA INC·Filed 2007·Granted Aug 18, 2009·7 cites·3 claims
- 0558US7839066B2Strengthened arc discharge lampOSRAM SYLVANIA INC·Filed 2005·Granted Nov 23, 2010·1 cites·4 claims
- 0647US6469445B1High CRI metal halide lamp with constant color throughout lifeOSRAM SYLVANIA INC·Filed 1999·Granted Oct 22, 2002·7 cites·7 claims
- 0744US7615930B2Shrouded arc discharge lamp suitable for downlighting applicationsOSRAM SYLVANIA INC·Filed 2006·Granted Nov 10, 2009·0 cites·6 claims
- 0840USD630773SNeck portion of a par lampOSRAM SYLVANIA INC·Filed 2010·Granted Jan 11, 2011·5 cites·1 claims
- 0932US9030099B2High pressure discharge lamp with multiple arc tubesCHECCA DOMENIC·Filed 2013·Granted May 12, 2015·0 cites·15 claims
- 1032US2003127978A1Multi-position hid lamp with single getterFiled 2002·Application pending·0 cites
- 1125USD543289SEnvelope for a light bulbOSRAM SYLVANIA INC·Filed 2006·Granted May 22, 2007·0 cites·1 claims
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