Inventor · disambiguated record
Royal E. Loftin
Also filed as: LOFTIN ROYAL E
6 granted patents·405 citations·filing 1980–1994
88Inventor score
Top patents by PatentIndex Score
6 records- 0195US4536297AWell drilling and completion fluid compositionHALLIBURTON CO·Filed 1984·Granted Aug 20, 1985·131 cites·2 claims
- 0295US4440649AWell drilling and completion fluid compositionHALLIBURTON CO·Filed 1982·Granted Apr 3, 1984·130 cites·2 claims
- 0387US4525285AMethod of preventing loss of an oil-base drilling fluid during the drilling of an oil or gas well into a subterranean formationHALLIBURTON CO·Filed 1983·Granted Jun 25, 1985·57 cites·14 claims
- 0476US5494120AGlycoside-in-oil drilling fluid systemSHELL OIL CO·Filed 1994·Granted Feb 27, 1996·30 cites·3 claims
- 0575US4409108ALubricating composition for well fluidsHALLIBURTON CO·Filed 1980·Granted Oct 11, 1983·32 cites·12 claims
- 0664US4647859AMethod for effecting electric well logging with introduction of a fluid composition to minimize the effect of interfering ionsHALLIBURTON CO·Filed 1985·Granted Mar 3, 1987·25 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →