Inventor · disambiguated record
David M. Giddings
Also filed as: GIDDINGS DAVID · GIDDINGS DAVID M
9 granted patents·194 citations·filing 1983–2017
90Inventor score
Top patents by PatentIndex Score
9 records- 0188US4678591ATerpolymer composition for aqueous drilling fluidsNALCO CHEMICAL CO·Filed 1986·Granted Jul 7, 1987·58 cites·3 claims
- 0283USD858006SCat litter boxGIDDINGS DAVID·Filed 2017·Granted Aug 27, 2019·28 cites·1 claims
- 0375US4770795ACalcium tolerant deflocculant for drilling fluidsNALCO CHEMICAL CO·Filed 1987·Granted Sep 13, 1988·26 cites·2 claims
- 0471US4502964ATerpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluidsNALCO CHEMICAL CO·Filed 1983·Granted Mar 5, 1985·18 cites·2 claims
- 0565US4502965ATerpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluidsNALCO CHEMICAL CO·Filed 1983·Granted Mar 5, 1985·21 cites·2 claims
- 0658US4544722AWater-soluble terpolymers of 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS), n-vinylpyrrolidone and acrylonitrileNALCO CHEMICAL CO·Filed 1984·Granted Oct 1, 1985·15 cites·3 claims
- 0757US4502966ATerpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluidsNALCO CHEMICAL CO·Filed 1983·Granted Mar 5, 1985·15 cites·2 claims
- 0852US4555558ATerpolymers of 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS), N,N-dimethylacrylamide, and acrylonitrileNALCO CHEMICAL CO·Filed 1984·Granted Nov 26, 1985·8 cites·3 claims
- 0944US4544719AWater-soluble polymers containing 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS)-acrylamide-N,N-diallylacetamideNALCO CHEMICAL CO·Filed 1984·Granted Oct 1, 1985·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →