Inventor · disambiguated record
Robert W. Dinning
Also filed as: DINNING ROBERT W
7 granted patents·332 citations·filing 1974–1998
89Inventor score
Files withBROWN OIL TOOLS1CRAWFORD DOUGLAS W1FERGUSON BEAUREGARD INC1MACCO OIL TOOL COMPANY INC1SCHLUMBERGER TECHNOLOGY CORP1
Top patents by PatentIndex Score
7 records- 0189US3963377APneumatically powered pump systemSCHLUMBERGER TECHNOLOGY CORP·Filed 1974·Granted Jun 15, 1976·60 cites·25 claims
- 0280US4114694ANo-shock pressure plug apparatusBROWN OIL TOOLS·Filed 1977·Granted Sep 19, 1978·31 cites·10 claims
- 0379US4923372AGas lift type casing pumpFERGUSON BEAUREGARD INC·Filed 1989·Granted May 8, 1990·51 cites·23 claims
- 0475US5427504AGas operated plunger for lifting well fluidsFiled 1993·Granted Jun 27, 1995·85 cites·18 claims
- 0573US6045335ADifferential pressure operated free piston for lifting well fluidsFiled 1998·Granted Apr 4, 2000·73 cites·18 claims
- 0654US4765403AApparatus for placing and removing well flow control devicesCRAWFORD DOUGLAS W·Filed 1984·Granted Aug 23, 1988·21 cites·42 claims
- 0738US3937280AArtificial lift well apparatusMACCO OIL TOOL COMPANY INC·Filed 1975·Granted Feb 10, 1976·11 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →