Inventor · disambiguated record
Thomas Lunn
Also filed as: LUNN THOMAS · LUNN THOMAS J
7 granted patents·1 pending application·89 citations·filing 1991–2018
84Inventor score
Files withUNIVERSAL LIGHTING TECHNOLOGIES INC2XIONG WEI2AIRBUS OPERATIONS SAS1LUNN THOMAS1MINNESOTA MINING & MFG1
Top patents by PatentIndex Score
8 records- 0185US8482213B1Electronic ballast with pulse detection circuit for lamp end of life and output short protectionXIONG WEI·Filed 2010·Granted Jul 9, 2013·9 cites·11 claims
- 0279US5202683AOptical traffic preemption detectorMINNESOTA MINING & MFG·Filed 1991·Granted Apr 13, 1993·52 cites·29 claims
- 0376US8450946B1Zone addressing circuit for an electronic ballastLUNN THOMAS·Filed 2011·Granted May 28, 2013·11 cites·20 claims
- 0473US7843141B1Low cost step dimming interface for an electronic ballastUNIVERSAL LIGHTING TECHNOLOGIES INC·Filed 2008·Granted Nov 30, 2010·11 cites·20 claims
- 0572US8288956B1Lamp preheat circuit for a program start ballast with filament voltage cut-back in steady stateXIONG WEI·Filed 2010·Granted Oct 16, 2012·3 cites·8 claims
- 0669US7923942B1Constant current source mirror tank dimmable ballast for high impedance lampsUNIVERSAL LIGHTING TECHNOLOGIES INC·Filed 2008·Granted Apr 12, 2011·3 cites·12 claims
- 0741US8378579B1Ballast circuit for a gas discharge lamp with a control loop to reduce filament heating voltage below a maximum heating levelUNIVERSAL LIGHTING TECH INC·Filed 2010·Granted Feb 19, 2013·0 cites·20 claims
- 0838US2018236858A1Flexible seal for an aircraftAIRBUS OPERATIONS SAS·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →