Inventor · disambiguated record
Donald E. Schroeder, Jr.
Also filed as: SCHROEDER DONALD E · SCHROEDER DONALD E JR · SCHROEDER DONALD EARL · SCHROEDER JR DONALD E
15 granted patents·458 citations·filing 1973–1999
94Inventor score
Top patents by PatentIndex Score
15 records- 0189US4932474AStaged screen assembly for gravel packingMARATHON OIL CO·Filed 1988·Granted Jun 12, 1990·132 cites·19 claims
- 0279US4144266ASulfonation of crude oils to produce petroleum sulfonatesMARATHON OIL CO·Filed 1973·Granted Mar 13, 1979·10 cites·25 claims
- 0375US6253851B1Method of completing a wellMARATHON OIL CO·Filed 1999·Granted Jul 3, 2001·86 cites·10 claims
- 0475US3956372AProcess for the production of petroleum sulfonateMARATHON OIL CO·Filed 1973·Granted May 11, 1976·12 cites·25 claims
- 0574US4121391AFastening of curtain wall to building and clip thereforINRYCO INC·Filed 1976·Granted Oct 24, 1978·37 cites·4 claims
- 0670US5062484AMethod of gravel packing a subterranean wellMARATHON OIL CO·Filed 1990·Granted Nov 5, 1991·50 cites·25 claims
- 0768US4560517ASulfonation of crude oils with gaseous SO3 to produce petroleum sulfonatesMARATHON OIL CO·Filed 1980·Granted Dec 24, 1985·9 cites·32 claims
- 0863US4510397APolymer flow control apparatusMARATHON OIL CO·Filed 1983·Granted Apr 9, 1985·20 cites·7 claims
- 0955US5127474AMethod and means for stabilizing gravel packsMARATHON OIL CO·Filed 1990·Granted Jul 7, 1992·29 cites·6 claims
- 1053US4464509AApparatus and method for preparing polymersMARATHON OIL CO·Filed 1983·Granted Aug 7, 1984·11 cites·9 claims
- 1151US5269375AMethod of gravel packing a wellSCHROEDER JR DONALD E·Filed 1992·Granted Dec 14, 1993·27 cites·28 claims
- 1251US4013125AFlooding with micellar dispersions containing petroleum sulfonates obtained by sulfonating whole or topped crude oilMARATHON OIL CO·Filed 1975·Granted Mar 22, 1977·11 cites·14 claims
- 1343US4614623ASulfonation of crude oils with gaseous SO3 to produce petroleum sulfonatesMARATHON OIL CO·Filed 1985·Granted Sep 30, 1986·8 cites·34 claims
- 1443US3964548AMethod for oil recovery by flooding with micellar dispersions containing crude oil sulfonatesMARATHON OIL CO·Filed 1975·Granted Jun 22, 1976·8 cites·19 claims
- 1530US4345409ABrace member and wall structureINRYCO INC·Filed 1979·Granted Aug 24, 1982·8 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →