Inventor · disambiguated record
David J. Spring
Also filed as: SPRING DAVID · SPRING DAVID J · SPRING DAVID JOHN · WATSON HUGH R
23 granted patents·1 pending application·2,785 citations·filing 1973–2016
97Inventor score
Top patents by PatentIndex Score
24 records- 0198US4230688AAcyclic carboxamides having a physiological cooling effectWILKINSON SWORD LTD·Filed 1979·Granted Oct 28, 1980·364 cites·15 claims
- 0298US4178459AN-Substituted paramenthane carboxamidesWILKINSON SWORD LTD·Filed 1979·Granted Dec 11, 1979·191 cites·4 claims
- 0398US4150052AN-substituted paramenthane carboxamidesWILKINSON SWORD LTD·Filed 1977·Granted Apr 17, 1979·404 cites·3 claims
- 0498US4136163AP-menthane carboxamides having a physiological cooling effectWILKINSON SWORD LTD·Filed 1974·Granted Jan 23, 1979·506 cites·12 claims
- 0598US4032661ACyclic sulphoxides and sulphones having a physiological cooling action on the human bodyWILKINSON SWORD LTD·Filed 1973·Granted Jun 28, 1977·263 cites·2 claims
- 0696US4153679AAcyclic carboxamides having a physiological cooling effectWILKINSON SWORD LTD·Filed 1977·Granted May 8, 1979·192 cites·12 claims
- 0795US4193936AN-substituted paramenthane carboxamidesWILKINSON SWORD LTD·Filed 1979·Granted Mar 18, 1980·117 cites·5 claims
- 0895US4070496APhosphine oxides having a physiological cooling effectWILKINSON SWORD LTD·Filed 1973·Granted Jan 24, 1978·112 cites·10 claims
- 0994US4296255AAcyclic carboxamides having a physiological cooling effectWILKINSON SWORD LTD·Filed 1980·Granted Oct 20, 1981·134 cites·5 claims
- 1092US4248859AAlicyclic amides having a physiological cooling effectWILKINSON SWORD LTD·Filed 1974·Granted Feb 3, 1981·77 cites·15 claims
- 1191US4226988AN-substituted paramenthane carboxamidesWILKINSON SWORD LTD·Filed 1979·Granted Oct 7, 1980·80 cites·1 claims
- 1290US4020153ACyclic sulphonamides and sulphinamides having a physiological cooling effectWILKINSON SWORD LTD·Filed 1973·Granted Apr 26, 1977·66 cites·11 claims
- 1389US4060091ATobacco and tobacco-containing manufactures containing an ingredient having physiological cooling activityWILKINSON SWORD LTD·Filed 1974·Granted Nov 29, 1977·62 cites·10 claims
- 1487US4190643ACompositions having a physiological cooling effectWILKINSON SWORD LTD·Filed 1978·Granted Feb 26, 1980·60 cites·13 claims
- 1578US4318900AAlicyclic amides having a physiological cooling effectWILKINSON SWORD LTD·Filed 1980·Granted Mar 9, 1982·38 cites·15 claims
- 1676US4694172ADetection of fires and explosionsGRAVINER LTD·Filed 1985·Granted Sep 15, 1987·46 cites·10 claims
- 1772US4719857APyrotechnic devicePAINS WESSEX LTD·Filed 1982·Granted Jan 19, 1988·14 cites·6 claims
- 1858US5150577ASystem and method for recovering and purifying a halocarbon compositionMITCHELL MARK D·Filed 1991·Granted Sep 29, 1992·24 cites·30 claims
- 1956US4069345ACompositions having a physiological cooling effectWILKINSON SWORD LTD·Filed 1974·Granted Jan 17, 1978·14 cites·4 claims
- 2041US4722766AExtinguishing of fires and explosionsGRAVINER LTD·Filed 1985·Granted Feb 2, 1988·8 cites·12 claims
- 2141US2004163826A1Fire protection systems and methodsFiled 2002·Application pending·0 cites
- 2236USD807436SGame boardSPRING DAVID·Filed 2016·Granted Jan 9, 2018·5 cites·1 claims
- 2332US5464980AFlame sensors and methods of sensing flameGRAVINER LTD KIDDE·Filed 1992·Granted Nov 7, 1995·4 cites·25 claims
- 2431US4713101ACooling apparatusGRAVINER LTD·Filed 1986·Granted Dec 15, 1987·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →