Inventor · disambiguated record
David C. Darwin
Also filed as: DARWIN DAVID C · DARWIN DAVID CHARLES
12 granted patents·1 pending application·1,248 citations·filing 1993–2013
95Inventor score
Top patents by PatentIndex Score
13 records- 0198US5643978ACement admixture product having improved rheological properties and process of forming sameGRACE W R & CO·Filed 1995·Granted Jul 1, 1997·184 cites·7 claims
- 0298US5393343ACement and cement composition having improved rheological propertiesGRACE W R & CO·Filed 1993·Granted Feb 28, 1995·230 cites·12 claims
- 0397US5725657ACement admixture productFiled 1996·Granted Mar 10, 1998·119 cites·10 claims
- 0497US5665158ACement admixture productGRACE W R & CO·Filed 1995·Granted Sep 9, 1997·120 cites·6 claims
- 0597US5633298ACement admixture product having improved rheological properties and process of forming sameGRACE W R & CO·Filed 1995·Granted May 27, 1997·157 cites·10 claims
- 0696US5728207ACement admixture product having improved rheological properties and process of forming sameGRACE W R & CO·Filed 1996·Granted Mar 17, 1998·88 cites·17 claims
- 0794US5840114AHigh early-strength-enhancing admixture for precast hydraulic cement and compositions containing sameGRACE W R & CO·Filed 1996·Granted Nov 24, 1998·103 cites·20 claims
- 0892US5583183ACement and cement composition having improved rheological propertiesGRACE W R & CO·Filed 1995·Granted Dec 10, 1996·80 cites·16 claims
- 0991US5753744ACement and cement composition having improved rheological propertiesGRACE W R & CO·Filed 1996·Granted May 19, 1998·77 cites·31 claims
- 1089US6139623AEmulsified comb polymer and defoaming agent composition and method of making sameGRACE W R & CO·Filed 1998·Granted Oct 31, 2000·76 cites·27 claims
- 1187US7670415B1Vapor barrier for porous structures and systemHYCRETE INC·Filed 2007·Granted Mar 2, 2010·14 cites·20 claims
- 1250US2010196723A1Surface Applied Waterproofing Compositions And Methods For Concrete SystemsHYCRETE INC·Filed 2009·Application pending·0 cites
- 1347US9125403B2Waterproofing and preservative compositions for organic materialDARWIN DAVID C·Filed 2013·Granted Sep 8, 2015·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →