Inventor · disambiguated record
Douglas M. Hamilton
Also filed as: HAMILTON DOUGLAS · HAMILTON DOUGLAS M · HAMILTON DOUGLAS MATTHEW
31 granted patents·3 pending applications·578 citations·filing 1995–2025
96Inventor score
Top patents by PatentIndex Score
34 records- 0194US11863061B2Switch for a lighting systemPROGRESS LIGHTING LLC·Filed 2022·Granted Jan 2, 2024·2 cites·20 claims
- 0294US7173383B2Lighting apparatus having a plurality of independently controlled sources of different colors of lightEMTEQ INC·Filed 2004·Granted Feb 6, 2007·90 cites·21 claims
- 0394US5758275AMethod and apparatus for scheduling adaptation for a notch filterMOTOROLA INC·Filed 1995·Granted May 26, 1998·211 cites·17 claims
- 0493US7135664B2Method of adjusting multiple light sources to compensate for variation in light output that occurs with timeCARMEN MATTHEW LLC·Filed 2004·Granted Nov 14, 2006·167 cites·18 claims
- 0591US9763298B2Voltage balancing current controlled LED circuitHUBBELL INC·Filed 2015·Granted Sep 12, 2017·13 cites·19 claims
- 0685US12111047B2Luminaire with stacked UV and visible light sourcesHLI SOLUTIONS INC·Filed 2021·Granted Oct 8, 2024·2 cites·24 claims
- 0782US11441991B2Multi-angle dynamic light scatteringMALVERN PANALYTICAL LTD·Filed 2019·Granted Sep 13, 2022·2 cites·14 claims
- 0882US9907134B2Toggle control for lighting systemHUBBELL INC·Filed 2017·Granted Feb 27, 2018·2 cites·20 claims
- 0981US12388352B2Switch for a lighting systemPROGRESS LIGHTING LLC·Filed 2023·Granted Aug 12, 2025·0 cites·19 claims
- 1080US11342833B2Switch for a lighting systemHUBBELL INC·Filed 2018·Granted May 24, 2022·2 cites·20 claims
- 1180US10321536B2Dim-to-warm system and method of operating the sameHUBBELL INC·Filed 2017·Granted Jun 11, 2019·3 cites·9 claims
- 1279US9043684B2Systems and methods for variable redundancy data protectionYANG SHAOHUA·Filed 2012·Granted May 26, 2015·4 cites·19 claims
- 1376US12345404B2Luminaire with stacked UV and visible light sourcesHLI SOLUTIONS INC·Filed 2024·Granted Jul 1, 2025·0 cites·18 claims
- 1476US11234319B2Backup power source and control for power over ethernet light sourcesHUBBELL INC·Filed 2018·Granted Jan 25, 2022·2 cites·20 claims
- 1575US9681517B2Dim-to-warm system and method of operating the sameHUBBELL INC·Filed 2016·Granted Jun 13, 2017·2 cites·18 claims
- 1673US11363688B2Toggle control for lighting systemHUBBELL LIGHTING INC·Filed 2021·Granted Jun 14, 2022·0 cites·20 claims
- 1768US11799684B2Backup power source and control for power over ethernet light sourcesHUBBELL INC·Filed 2022·Granted Oct 24, 2023·0 cites·20 claims
- 1868US10912173B2Toggle control for lighting systemHUBBELL INC·Filed 2019·Granted Feb 2, 2021·0 cites·19 claims
- 1965US12194171B2Lighting device with integral UV disinfectionHLI SOLUTIONS INC·Filed 2021·Granted Jan 14, 2025·0 cites·18 claims
- 2065US11436902B2Lighting fixture having an environmental detection systemHUBBELL INC·Filed 2020·Granted Sep 6, 2022·0 cites·20 claims
- 2165US10524324B2LED lighting fixture and adjustment of color temperature thereof based at least in part on detected toggle inputHUBBELL INC·Filed 2019·Granted Dec 31, 2019·0 cites·19 claims
- 2265US2023094489A1Lighting Fixture Having an Environmental Detection SystemHUBBELL INC·Filed 2022·Application pending·0 cites
- 2364US10009972B2Multiphase light fixtureHUBBELL INC·Filed 2017·Granted Jun 26, 2018·1 cites·10 claims
- 2462US10187951B2Toggle control for lighting systemHUBBELL INC·Filed 2018·Granted Jan 22, 2019·0 cites·19 claims
- 2560US2025144258A1Lighting device with integral uv disinfectionHLI SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 2659US10854052B2Lighting fixture having an environmental detection systemHUBBELL INC·Filed 2018·Granted Dec 1, 2020·0 cites·16 claims
- 2758US10910814B2System and method for controlling an electrical receptacle based on operational profileHUBBELL INC·Filed 2018·Granted Feb 2, 2021·0 cites·15 claims
- 2858US5740383ADynamic arbitration priorityCIRRUS LOGIC INC·Filed 1995·Granted Apr 14, 1998·37 cites·42 claims
- 2955US12442812B2Support structure inspection devices, systems and methodsHUBBELL INC·Filed 2019·Granted Oct 14, 2025·0 cites·20 claims
- 3055US5748968ARequesting device capable of canceling its memory access requests upon detecting other specific requesting devices simultaneously asserting access requestsCIRRUS LOGIC INC·Filed 1996·Granted May 5, 1998·21 cites·30 claims
- 3151US11272594B2Multi-array lighting system for providing high intensity narrow spectrum lightHUBBELL INC·Filed 2017·Granted Mar 8, 2022·0 cites·18 claims
- 3246US5802484AAdaptive antenna structure for a computational deviceMOTOROLA INC·Filed 1996·Granted Sep 1, 1998·15 cites·14 claims
- 3343US2013262788A1Systems and Methods for External Priority Controlled Data TransferZHANG FAN·Filed 2012·Application pending·0 cites
- 3430US6598110B1Method and apparatus for data conversion in a computer busTEXAS INSTRUMENTS INC·Filed 1999·Granted Jul 22, 2003·2 cites·4 claims
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