Inventor · disambiguated record
Mark E. Duffy
Also filed as: DUFFY MARK · DUFFY MARK E · DUFFY MARK ELTON
23 granted patents·438 citations·filing 1988–2010
96Inventor score
Top patents by PatentIndex Score
23 records- 0188US5587626APatterned optical interference coatings for only a portion of a high intensity lamp envelopeGEN ELECTRIC·Filed 1995·Granted Dec 24, 1996·52 cites·24 claims
- 0281US6741013B2Shrouded electric lamp having functionally distinguishable center supportsGEN ELECTRIC·Filed 2000·Granted May 25, 2004·17 cites·16 claims
- 0381US5866982AArctube for high pressure discharge lampGEN ELECTRIC·Filed 1996·Granted Feb 2, 1999·39 cites·20 claims
- 0479US5676579APatterned optical interference coatings for electric lampsGEN ELECTRIC·Filed 1996·Granted Oct 14, 1997·29 cites·5 claims
- 0577US5479072ALow mercury arc discharge lamp containing neodymiumGEN ELECTRIC·Filed 1991·Granted Dec 26, 1995·29 cites·29 claims
- 0677US5306987AAcoustic resonance arc stabilization arrangement in a discharge lampGEN ELECTRIC·Filed 1993·Granted Apr 26, 1994·39 cites·13 claims
- 0776US5675677ALamp-to-light guide coupling arrangement for an electrodeless high intensity discharge lampGEN ELECTRIC·Filed 1995·Granted Oct 7, 1997·54 cites·16 claims
- 0871US5363015ALow mercury arc discharge lamp containing praseodymiumGEN ELECTRIC·Filed 1992·Granted Nov 8, 1994·21 cites·27 claims
- 0965US5140227AStarting aid for an electrodeless high intensity discharge lampGEN ELECTRIC·Filed 1990·Granted Aug 18, 1992·18 cites·4 claims
- 1064US5879215ACrimp length gauge for ceramic metal halide electrodesGEN ELECTRIC·Filed 1997·Granted Mar 9, 1999·16 cites·16 claims
- 1163US5378965ALuminaire including an electrodeless discharge lamp as a light sourceGEN ELECTRIC·Filed 1993·Granted Jan 3, 1995·17 cites·23 claims
- 1261US8405324B2Hospital lighting with solid state emittersBEERS WILLIAM WINDER·Filed 2010·Granted Mar 26, 2013·1 cites·20 claims
- 1361US5095249AGas probe starter for an electrodeless high intensity discharge lampGEN ELECTRIC·Filed 1990·Granted Mar 10, 1992·21 cites·16 claims
- 1456US5151633ASelf-extinguishing gas probe starter for an electrodeless high intensity discharge lampGEN ELECTRIC·Filed 1991·Granted Sep 29, 1992·12 cites·13 claims
- 1551US5214357ALow-loss l-c drive circuit for an electrodeless high intensity discharge lampGEN ELECTRIC·Filed 1991·Granted May 25, 1993·14 cites·13 claims
- 1648US5150015AElectrodeless high intensity discharge lamp having an intergral quartz outer jacketGEN ELECTRIC·Filed 1991·Granted Sep 22, 1992·9 cites·17 claims
- 1747US5479102ASimulated load circuit for simulating the arc impedance of an electrodless discharge lampGEN ELECTRIC·Filed 1994·Granted Dec 26, 1995·10 cites·5 claims
- 1847US5248918AStarting aid for an electrodeless high intensity discharge lampGEN ELECTRIC·Filed 1992·Granted Sep 28, 1993·11 cites·16 claims
- 1946US5373216AElectrodeless arc tube with stabilized condensate locationGEN ELECTRIC·Filed 1992·Granted Dec 13, 1994·7 cites·20 claims
- 2042US5440199ABase for electrodeless discharge lampGEN ELECTRIC·Filed 1992·Granted Aug 8, 1995·9 cites·19 claims
- 2142US4891554AArc discharge lamp having improved performanceGEN ELECTRIC·Filed 1988·Granted Jan 2, 1990·5 cites·15 claims
- 2241US5332970AMethod for measuring the impedance of an electrodeless arc discharge lampGEN ELECTRIC·Filed 1992·Granted Jul 26, 1994·8 cites·5 claims
- 2326US8633653B2Lighting control system with improved efficiencyDUFFY MARK·Filed 2010·Granted Jan 21, 2014·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →