Inventor · disambiguated record
David W. Dranchak
Also filed as: DRANCHAK DAVID W · DRANCHAK DAVID WILLIAM
19 granted patents·2 pending applications·1,646 citations·filing 1988–2016
97Inventor score
Files withIBM8JRS TECHNOLOGY INC6LITECONTROL CORP2ST PIERRE RICHARD A2TECHNICAL CONSUMER PRODUCTS IN2
Top patents by PatentIndex Score
21 records- 0197US6388396B1Electronic ballast with embedded network micro-controllerTECHNICAL CONSUMER PRODUCTS IN·Filed 2000·Granted May 14, 2002·143 cites·21 claims
- 0297US5061192AHigh density connectorIBM·Filed 1990·Granted Oct 29, 1991·230 cites·14 claims
- 0396US5838116AFluorescent light ballast with information transmission circuitryJRS TECHNOLOGY INC·Filed 1996·Granted Nov 17, 1998·222 cites·30 claims
- 0493US6218787B1Remote dimming control system for a fluorescent ballast utilizing existing building wiringJRS TECHNOLOGY INC·Filed 1998·Granted Apr 17, 2001·140 cites·2 claims
- 0593US6181086B1Electronic ballast with embedded network micro-controllerJRS TECHNOLOGY INC·Filed 1998·Granted Jan 30, 2001·166 cites·31 claims
- 0693US5163834AHigh density connectorIBM·Filed 1991·Granted Nov 17, 1992·104 cites·13 claims
- 0792US7061188B1Instant start electronic ballast with universal AC input voltageTECHNICAL CONSUMER PRODUCTS IN·Filed 2002·Granted Jun 13, 2006·75 cites·28 claims
- 0890US5248262AHigh density connectorIBM·Filed 1992·Granted Sep 28, 1993·82 cites·47 claims
- 0989US5953214ADual substrate package assembly coupled to a conducting memberIBM·Filed 1996·Granted Sep 14, 1999·117 cites·18 claims
- 1089US5237743AMethod of forming a conductive end portion on a flexible circuit memberIBM·Filed 1992·Granted Aug 24, 1993·69 cites·21 claims
- 1186US5930130AInrush protection circuitJRS TECHNOLOGY INC·Filed 1997·Granted Jul 27, 1999·84 cites·7 claims
- 1283US6107755AModular, configurable dimming ballast for a gas-discharge lampJRS TECHNOLOGY INC·Filed 1998·Granted Aug 22, 2000·65 cites·19 claims
- 1383US4892487AConnector assembly with movable carriageIBM·Filed 1989·Granted Jan 9, 1990·47 cites·17 claims
- 1474US6046911ADual substrate package assembly having dielectric member engaging contacts at only three locationsIBM·Filed 1997·Granted Apr 4, 2000·44 cites·18 claims
- 1570US4907975AElectrical connector utilizing flexible electrical circuitryIBM·Filed 1988·Granted Mar 13, 1990·31 cites·10 claims
- 1665US5908235ABallast fixture for fluorescent lightingJRS TECHNOLOGY INC·Filed 1997·Granted Jun 1, 1999·27 cites·21 claims
- 1757US9506962B2Resource control system with local reallocationLITECONTROL CORP·Filed 2013·Granted Nov 29, 2016·0 cites·18 claims
- 1853US10175670B2Resource control system with local reallocationLITECONTROL CORP·Filed 2016·Granted Jan 8, 2019·0 cites·12 claims
- 1951US2013312581A1Adjustable slicer and cutterST PIERRE RICHARD A·Filed 2013·Application pending·0 cites
- 2050US10364968B2Externally actuated joiner assembly for connecting adjacent structuresHUBBELL INC·Filed 2016·Granted Jul 30, 2019·0 cites·20 claims
- 2144US2014042783A1Rotatable platform having a straddleable seat to facilitate tranfer to a person having limited mobilityST PIERRE RICHARD A·Filed 2013·Application pending·0 cites
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