Inventor · disambiguated record
Stephen Keen
Also filed as: KEEN STEPHEN · KEEN STEPHEN B
8 granted patents·4 pending applications·311 citations·filing 2006–2015
89Inventor score
Top patents by PatentIndex Score
12 records- 0192USD748847SLiquid-cooled optical reflectorSURNA INC·Filed 2014·Granted Feb 2, 2016·66 cites·1 claims
- 0292USD748850SAir-cooled optical reflectorSURNA INC·Filed 2014·Granted Feb 2, 2016·75 cites·1 claims
- 0392USD748319SVented optical reflectorSURNA INC·Filed 2014·Granted Jan 26, 2016·67 cites·1 claims
- 0492USD748320SLiquid-cooled optical reflectorSURNA INC·Filed 2014·Granted Jan 26, 2016·66 cites·1 claims
- 0578US7982376B2Apparatus and method for removing heat from high intensity light bulbsKEEN STEPHEN B·Filed 2007·Granted Jul 19, 2011·20 cites·23 claims
- 0673US10113343B2Thermally isolated high intensity light sourceSURNA INC·Filed 2015·Granted Oct 30, 2018·2 cites·28 claims
- 0773US7954982B2High intensity light reflector apparatusKEEN STEPHEN B·Filed 2009·Granted Jun 7, 2011·5 cites·10 claims
- 0859USD794842SThermally isolated high intensity light source with spacersSURNA INC·Filed 2015·Granted Aug 15, 2017·10 cites·1 claims
- 0949US2010118542A1Appartus for Controlling and Removing Heat from a High Intensity Discharge Lamp AssemblyKEEN STEPHEN B·Filed 2009·Application pending·0 cites
- 1039US2008074880A1Apparatus and method for removing heat from plant growth light bulbsKEEN STEPHEN B·Filed 2006·Application pending·0 cites
- 1136US2015233626A1Air Conditioning Condenser Attachment for High Efficiency Liquid ChillersSURNA INC·Filed 2015·Application pending·0 cites
- 1236US2017142910A1Modular Stepped ReflectorSURNA INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →