Inventor · disambiguated record
David R. Watkins
Also filed as: WATKINS DAVID · WATKINS DAVID R · WATKINS DAVID ROBERT
40 granted patents·2 pending applications·1,276 citations·filing 1982–2014
98Inventor score
Top patents by PatentIndex Score
42 records- 0195USD434353SVehicle tireSUMITOMO RUBBER IND·Filed 1999·Granted Nov 28, 2000·60 cites·1 claims
- 0295US4737296AFoaming acid-containing fluidsUNION OIL CO·Filed 1986·Granted Apr 12, 1988·100 cites·41 claims
- 0393USD579856STireGOODYEAR TIRE & RUBBER·Filed 2008·Granted Nov 4, 2008·53 cites·1 claims
- 0493US4787453APermeability stabilization in subterranean formations containing particulate matterUNION OIL CO·Filed 1986·Granted Nov 29, 1988·98 cites·29 claims
- 0593US4580633AIncreasing the flow of fluids through a permeable formationUNION OIL CO·Filed 1983·Granted Apr 8, 1986·84 cites·54 claims
- 0692US4923009ASteam enhanced oil recovery processes and compositions for use thereinUNION OIL CO·Filed 1989·Granted May 8, 1990·67 cites·72 claims
- 0792US4572296ASteam injection methodUNION OIL CO·Filed 1984·Granted Feb 25, 1986·69 cites·30 claims
- 0890US4498538AMethod for maintaining the permeability of fines-containing formationsUNION OIL CO·Filed 1983·Granted Feb 12, 1985·63 cites·37 claims
- 0990US4475595AMethod of inhibiting silica dissolution during injection of steam into a reservoirUNION OIL CO·Filed 1982·Granted Oct 9, 1984·85 cites·23 claims
- 1088US4775489ASelf-breaking foamed oil in water emulsion for stimulation of wells blocked by paraffinic depositsUNION OIL CO·Filed 1986·Granted Oct 4, 1988·64 cites·18 claims
- 1186US4708207AScale removal treatmentUNION OIL CO·Filed 1985·Granted Nov 24, 1987·46 cites·25 claims
- 1285US5224543AUse of scale inhibitors in hydraulic fracture fluids to prevent scale build-upUNION OIL CO·Filed 1991·Granted Jul 6, 1993·74 cites·6 claims
- 1385US4646835AAcidizing methodUNION OIL CO·Filed 1985·Granted Mar 3, 1987·56 cites·25 claims
- 1484US4614236ASelf-breaking foamed oil-in-water emulsion for stimulation of wells blocked by paraffinic depositsUNION OIL CO·Filed 1984·Granted Sep 30, 1986·49 cites·56 claims
- 1584US4479543AMethod for deeper penetrating acidizing of siliceous formationsUNION OIL CO·Filed 1983·Granted Oct 30, 1984·42 cites·30 claims
- 1678US5051197AScale removal treatmentUNION OIL CO·Filed 1990·Granted Sep 24, 1991·37 cites·16 claims
- 1766US4992182AScale removal treatmentUNION OIL CO·Filed 1989·Granted Feb 12, 1991·16 cites·30 claims
- 1866US4975208ACompositions for use in steam enhanced oil recovery processesUNION OIL CO·Filed 1990·Granted Dec 4, 1990·25 cites·33 claims
- 1963US8943623B2Hammock with intermediate supportWATKINS DAVID R·Filed 2014·Granted Feb 3, 2015·1 cites·7 claims
- 2063US6988520B2Motorcycle tire having tread including two different rubber compoundsGOODYEAR TIRE & RUBBER·Filed 2000·Granted Jan 24, 2006·9 cites·14 claims
- 2161US4549609ATreating fines-containing earthen formationsUNION OIL CO·Filed 1984·Granted Oct 29, 1985·26 cites·25 claims
- 2254US6200401B1Method of determining groove angle to give optimum tread wearSUMITOMO RUBBER IND·Filed 1998·Granted Mar 13, 2001·17 cites·3 claims
- 2354US5427164AHeavy duty radial tire for minimized road damageSUMITOMO RUBBER IND·Filed 1992·Granted Jun 27, 1995·16 cites·6 claims
- 2451US5039434AAcidizing composition comprising organosilicon compoundUNION OIL CO·Filed 1990·Granted Aug 13, 1991·10 cites·10 claims
- 2549US6821369B2Single-stage method of fabricating radial tire with breaker ply extending between bead regionsSUMITOMO RUBBER IND·Filed 2001·Granted Nov 23, 2004·1 cites·9 claims
- 2649US5020663ACoil dispenser for coiled nailsDALLAS DAVID·Filed 1990·Granted Jun 4, 1991·28 cites·26 claims
- 2748USD323802SMotorcycle tireSUMITOMO RUBBER IND·Filed 1989·Granted Feb 11, 1992·5 cites·1 claims
- 2846US5829503AMotorcycle tireSUMITOMO RUBBER IND·Filed 1996·Granted Nov 3, 1998·13 cites·9 claims
- 2946US4739833AMethod of acidizing high-temperature subterranean formationsUNION OIL CO·Filed 1986·Granted Apr 26, 1988·8 cites·40 claims
- 3044US4986326ARadial motorcycle tireSP TYRES UK LTD·Filed 1988·Granted Jan 22, 1991·9 cites·4 claims
- 3143US2008216930A1Tyre with rubber tread which contains internal circumferential rubber stabilizer barsVALENTINE CHRISTOPHER JOHN·Filed 2007·Application pending·0 cites
- 3241USD554396SChair baseLEGGETT & PLATT CANADA CO·Filed 2005·Granted Nov 6, 2007·6 cites·1 claims
- 3341US6523588B1Tire having tread including orientation of grooves changing across entire tread widthSUMITOMO RUBBER IND·Filed 2000·Granted Feb 25, 2003·0 cites·6 claims
- 3438US6318429B1Tire with breaker ply extending between bead regionsSUMITOMO RUBBER IND·Filed 1998·Granted Nov 20, 2001·6 cites·10 claims
- 3538US5529102AMotorcycle radial tire with supplementary breaker plySUMITOMO RUBBER IND·Filed 1995·Granted Jun 25, 1996·7 cites·6 claims
- 3638US2005022917A1Motorcycle radial tireFiled 2004·Application pending·0 cites
- 3737US6190478B1Method of manufacturing tire including groovesSUMITOMO RUBBER IND·Filed 1998·Granted Feb 20, 2001·6 cites·3 claims
- 3835US5651845AMotorcycle radial tire with supplementary breaker flySUMITOMO RUBBER IND·Filed 1995·Granted Jul 29, 1997·5 cites·4 claims
- 3934US4776378APneumatic tire and wheelrim for a motorcycleSP TYRES UK LTD·Filed 1986·Granted Oct 11, 1988·5 cites·7 claims
- 4033US6125898AMotor-cycle radial tireSUMITOMO RUBBER IND·Filed 1998·Granted Oct 3, 2000·5 cites·13 claims
- 4131US4790363ARadial motorcycle tiresSP TYRES UK LTD·Filed 1986·Granted Dec 13, 1988·3 cites·7 claims
- 4230US5746852AMotorcycle radial tire with rubber member between carcass pliesSUMITOMO RUBBER IND·Filed 1995·Granted May 5, 1998·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →