Inventor · disambiguated record
Donald Walker
Also filed as: WALKER DONALD · WALKER DONALD F · WALKER DONALD FRANK · WALKER DONALD LINESS
18 granted patents·1 pending application·117 citations·filing 1975–2021
93Inventor score
Files withCREE INC5CATERPILLAR TRACTOR CO3DUNN MALCOLM HARRY3HUGHES AIRCRAFT CO2IDEAL IND LIGHTING LLC2
Top patents by PatentIndex Score
19 records- 0195US9894740B1Intelligent lighting module for a lighting fixtureCREE INC·Filed 2017·Granted Feb 13, 2018·26 cites·24 claims
- 0290US10247372B2LED troffer lens assembly mountCREE INC·Filed 2017·Granted Apr 2, 2019·9 cites·19 claims
- 0388US10264657B2Intelligent lighting module for a lighting fixtureCREE INC·Filed 2017·Granted Apr 16, 2019·5 cites·51 claims
- 0483US8475083B2Umbilical for underwater divingDUNN MALCOLM HARRY·Filed 2010·Granted Jul 2, 2013·7 cites·68 claims
- 0574US9547133B2LED illuminator for side-emitting optical fibersDUNN MALCOLM HARRY·Filed 2011·Granted Jan 17, 2017·4 cites·23 claims
- 0666US4313033AApparatus and method for digital combination of delta modulated dataHUGHES AIRCRAFT CO·Filed 1980·Granted Jan 26, 1982·22 cites·10 claims
- 0763US9191106B2Communication systemDUNN MALCOLM HARRY·Filed 2010·Granted Nov 17, 2015·2 cites·35 claims
- 0860USD927027SLED trofferIDEAL IND LIGHTING LLC·Filed 2018·Granted Aug 3, 2021·6 cites·1 claims
- 0955US8356923B2Safe lighting systemUNIV ST ANDREWS·Filed 2009·Granted Jan 22, 2013·1 cites·34 claims
- 1054USD1013243SLED trofferIDEAL IND LIGHTING LLC·Filed 2021·Granted Jan 30, 2024·1 cites·1 claims
- 1153US10094971B2Optic assemblies and fixtures comprising the sameCREE INC·Filed 2017·Granted Oct 9, 2018·0 cites·49 claims
- 1250US3975866AMethod and apparatus for machining housings for slant axis rotary mechanismsCATERPILLAR TRACTOR CO·Filed 1975·Granted Aug 24, 1976·6 cites·8 claims
- 1343US10508797B2Luminaire and connection mechanism for connecting multiple luminairesCREE INC·Filed 2016·Granted Dec 17, 2019·0 cites·17 claims
- 1442US4486746ADigital system for raster scan display of video and alpha-numerics with single bit map memoryHUGHES AIRCRAFT CO·Filed 1981·Granted Dec 4, 1984·8 cites·9 claims
- 1541US4322672AElectric motor control apparatusFERRANTI LTD·Filed 1979·Granted Mar 30, 1982·5 cites·8 claims
- 1641US3989425AUnitized seal biasing spring assembly for rotary mechanismsCATERPILLAR TRACTOR CO·Filed 1975·Granted Nov 2, 1976·4 cites·3 claims
- 1740US5954496ABurner for operating a combustion chamberABB RESEARCH LTD·Filed 1997·Granted Sep 21, 1999·9 cites·17 claims
- 1835US3999902ASlant axis rotary mechanism with relieved apex portionsCATERPILLAR TRACTOR CO·Filed 1975·Granted Dec 28, 1976·2 cites·4 claims
- 1933US2002059959A1System and apparatus for noise suppression in a fluid lineFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →