Inventor · disambiguated record
Geoffrey Norman Walter Gay
Also filed as: GAY GEOFFREY NORMAN WALTER
6 granted patents·6 pending applications·272 citations·filing 1998–2024
85Inventor score
Files withCO OPERWRITE LTD3DARWIN TECH INTERNATIONAL LIMITED3DARWIN TECHNOLOGY LTD2GRIFFITHS GEORGE2DARWIN TECHNOLOGY INTERNAT LTD1
Top patents by PatentIndex Score
12 records- 0189US7655076B2Device for air cleaningDARWIN TECHNOLOGY INTERNAT LTD·Filed 2005·Granted Feb 2, 2010·29 cites·35 claims
- 0286US6749669B1Air cleaning deviceDARWIN TECHNOLOGY LTD·Filed 2000·Granted Jun 15, 2004·81 cites·32 claims
- 0378US2024390916A1Electrostatic air filterDARWIN TECH INTERNATIONAL LIMITED·Filed 2024·Application pending·0 cites
- 0476US7014688B2Air cleaning deviceDARWIN TECHNOLOGY LTD·Filed 2004·Granted Mar 21, 2006·35 cites·27 claims
- 0575US6647145B1Means for inputting characters or commands into a computerCO OPERWRITE LTD·Filed 1998·Granted Nov 11, 2003·125 cites·41 claims
- 0674US10286405B2Air cleaning device and apparatusDARWIN TECH INTERNATIONAL LIMITED·Filed 2016·Granted May 14, 2019·2 cites·16 claims
- 0766US12083538B2Electrostatic air filterDARWIN TECH INTERNATIONAL LIMITED·Filed 2020·Granted Sep 10, 2024·0 cites·27 claims
- 0849US2014085311A1Method and system for providing animated font for character and command input to a computerCO OPERWRITE LTD·Filed 2013·Application pending·0 cites
- 0949US2014089865A1Handwriting recognition serverCO OPERWRITE LTD·Filed 2013·Application pending·0 cites
- 1045US2013067877A1Air cleaning filterGRIFFITHS GEORGE·Filed 2012·Application pending·0 cites
- 1142US2009031899A1Volatile Substance FilterVALERION 2 LTD·Filed 2006·Application pending·0 cites
- 1241US2012152114A1System for enhancing air filter efficiency with external electrical dust charging deviceGRIFFITHS GEORGE·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →