Inventor · disambiguated record
Fred David Martin
Also filed as: MARTIN FRED D · MARTIN FRED DAVID
16 granted patents·490 citations·filing 1974–1984
95Inventor score
Top patents by PatentIndex Score
16 records- 0196US3943060AFriction reducingCALGON CORP·Filed 1974·Granted Mar 9, 1976·83 cites·4 claims
- 0295US3936408AWell cementing composition having improved flow properties containing a polyamido-sulfonic additiveCALGON CORP·Filed 1974·Granted Feb 3, 1976·48 cites·9 claims
- 0394US3964921AWell cementing composition having improved flow properties, containing phosphonobutane tricarboxylic acid, and method of useCALGON CORP·Filed 1975·Granted Jun 22, 1976·62 cites·15 claims
- 0490US4011909AMethod of using cementing composition having improved flow propertiesCALGON CORP·Filed 1976·Granted Mar 15, 1977·50 cites·10 claims
- 0590US3994852ALow fluid loss cementing compositions containing polyvinylpyrrolidone-polyacrylamide triblock polymers and their useCALGON CORP·Filed 1975·Granted Nov 30, 1976·46 cites·12 claims
- 0684US4036660AMethods of using cementing compositions having improved flow properties, containing sulfonated copolymers of styrene-maleic anhydrideCALGON CORP·Filed 1976·Granted Jul 19, 1977·33 cites·6 claims
- 0783US3953342APetroleum recovery processCALGON CORP·Filed 1974·Granted Apr 27, 1976·21 cites·3 claims
- 0880US3952805AWell cementing method using a composition having improved flow properties, containing sulfonated copolymers of styrene-maleic anhydrideCALGON CORP·Filed 1975·Granted Apr 27, 1976·31 cites·8 claims
- 0979US4040854AMethods of using cementing compositions having improved flow properties, containing phosphonobutane tricarboxylic acidCALGON CORP·Filed 1976·Granted Aug 9, 1977·30 cites·6 claims
- 1079US3943083AWell cementing composition containing polymaleic anhydride and having improved flow propertiesCALGON CORP·Filed 1974·Granted Mar 9, 1976·17 cites·7 claims
- 1171US4053323AMethod of using cementing composition having improved flow propertiesCALGON CORP·Filed 1977·Granted Oct 11, 1977·21 cites·4 claims
- 1262US3953341AStabilization of polymer solutionsCALGON CORP·Filed 1974·Granted Apr 27, 1976·16 cites·3 claims
- 1348US4012327AThickened alcohol well treating compositionsCALGON CORP·Filed 1975·Granted Mar 15, 1977·10 cites·8 claims
- 1444US3945929AProcess for the secondary or tertiary recovery of petroleumCALGON CORP·Filed 1974·Granted Mar 23, 1976·7 cites·8 claims
- 1537US3993134AWell cementing method using cementing composition having improved flow propertiesCALGON CORP·Filed 1975·Granted Nov 23, 1976·5 cites·8 claims
- 1636US4610305AOilfield flooding polymerNEW MEXICO INST OF MINING AND·Filed 1984·Granted Sep 9, 1986·10 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →