Inventor · disambiguated record
David Greenwood
Also filed as: GREENWOOD DAVID · GREENWOOD DAVID L · SWETT ROBERT W
25 granted patents·3 pending applications·577 citations·filing 1978–2005
96Inventor score
Top patents by PatentIndex Score
28 records- 0194US4703113AWater-soluble triazine black dyes free from cellulose reactive groups and suitable for use in inksICI PLC·Filed 1985·Granted Oct 27, 1987·76 cites·9 claims
- 0291US5017009AScattered total internal reflectance immunoassay systemORTHO DIAGNOSTIC SYSTEMS INC·Filed 1988·Granted May 21, 1991·140 cites·19 claims
- 0391US4726844AInk containing water-soluble non-reactive triazinyl mono-azo dye for ink jet printingCANON KK·Filed 1986·Granted Feb 23, 1988·30 cites·5 claims
- 0490US4979821ACuvette for receiving liquid sampleORTHO DIAGNOSTIC SYSTEMS INC·Filed 1989·Granted Dec 25, 1990·81 cites·6 claims
- 0587US4231494ASyringe adaptor assemblyGREENWOOD DAVID L·Filed 1979·Granted Nov 4, 1980·50 cites·3 claims
- 0677US5203912AAnionic dyeICI PLC·Filed 1991·Granted Apr 20, 1993·35 cites·25 claims
- 0773US5053495AAnionic dye having high water-fastnessICI PLC·Filed 1989·Granted Oct 1, 1991·31 cites·12 claims
- 0872US4767459AInkICI PLC·Filed 1987·Granted Aug 30, 1988·24 cites·6 claims
- 0971US4705528AWater-soluble triazine black dyes from cellulose reactive groups and suitable for use in inksICI PLC·Filed 1985·Granted Nov 10, 1987·9 cites·14 claims
- 1071US4634555AWater-soluble copper phthalocyanine dyes free from cellulose reactive groupsICI PLC·Filed 1985·Granted Jan 6, 1987·22 cites·4 claims
- 1164US4738721AInk comprising a water-soluble triphendioxazine dyeCANON KK·Filed 1986·Granted Apr 19, 1988·16 cites·6 claims
- 1259US4735657AWater-soluble dye in an inkCANON KK·Filed 1986·Granted Apr 5, 1988·5 cites·12 claims
- 1357US5118737AWater-soluble dyeCANON KK·Filed 1990·Granted Jun 2, 1992·5 cites·15 claims
- 1452US5171848ASalts of black trisazo dyes with alkyl amines having good solubility in organic liquidsICI PLC·Filed 1992·Granted Dec 15, 1992·4 cites·6 claims
- 1549US6399751B1Reactive dyes containing a halobenzene nucleusBASF AG·Filed 1998·Granted Jun 4, 2002·4 cites·40 claims
- 1647US4380308ASelf-cleaning adhesive dispensing apparatusGREENWOOD DAVID L·Filed 1980·Granted Apr 19, 1983·11 cites·5 claims
- 1742US4601292ASteerable Doppler transducer probesJOHNSON & JOHNSON ULTRASOUND·Filed 1984·Granted Jul 22, 1986·20 cites·13 claims
- 1841US4746733AWater-soluble triphendioxazine disazo dyesICI PLC·Filed 1985·Granted May 24, 1988·2 cites·6 claims
- 1939US2003158395A1Reactive dyes containing a halobenzene nucleusBASF AG·Filed 2002·Application pending·0 cites
- 2039US2003191293A1Reactive dyes containing a halobenzene nucleusBASF AG·Filed 2002·Application pending·0 cites
- 2139US2008063800A1Metal Complex Diazo-Compound and Inks Containing ThemDEVONALD DAVID P·Filed 2005·Application pending·0 cites
- 2237US4772323AInk comprising at least one water soluble-formazan dye, free from cellulose-reactive groupsCANON KK·Filed 1987·Granted Sep 20, 1988·1 cites·36 claims
- 2334US4780532AWater-soluble triazine dyestuffs free from cellulose reactive groups and suitable for use in inksICI PLC·Filed 1985·Granted Oct 25, 1988·3 cites·6 claims
- 2432US4790879AWater-soluble triazane dyestuffs free from cellulose reactive groups and suitable for use in inksCANON KK·Filed 1986·Granted Dec 13, 1988·2 cites·14 claims
- 2530US4799960AInk comprising water soluble triazine dye free from cellulose reactive groupsCANON KK·Filed 1986·Granted Jan 24, 1989·2 cites·17 claims
- 2630US4758658AWater-soluble formazan dyeICI PLC·Filed 1986·Granted Jul 19, 1988·1 cites·8 claims
- 2730US4189217ADocument printing systemSWEDA INTERNATIONAL INC·Filed 1978·Granted Feb 19, 1980·3 cites·21 claims
- 2829US5254675AAnionic disazo dyesICI PLC·Filed 1992·Granted Oct 19, 1993·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →