Inventor · disambiguated record
James D. Howell
Also filed as: HOWELL JAMES · HOWELL JAMES D · HOWELL JAMES DAMRON
5 granted patents·375 citations·filing 1975–2012
85Inventor score
Top patents by PatentIndex Score
5 records- 0193US4063602ADrilling fluid diverter systemEXXON PRODUCTION RESEARCH CO·Filed 1976·Granted Dec 20, 1977·239 cites·19 claims
- 0290US4282939AMethod and apparatus for compensating well control instrumentation for the effects of vessel heaveEXXON PRODUCTION RESEARCH CO·Filed 1979·Granted Aug 11, 1981·84 cites·19 claims
- 0385US9169895B2Vehicle wheel balance weightsEVERHARD ROSS E·Filed 2012·Granted Oct 27, 2015·8 cites·20 claims
- 0463US4049239ADrill spring tension limiting device for floating drilling vesselsEXXON PRODUCTION RESEARCH CO·Filed 1975·Granted Sep 20, 1977·26 cites·6 claims
- 0551US5048334AMethod and apparatus for subterranean liquid level measurementTRUSTEES OF WESTERN MICHIGAN U·Filed 1990·Granted Sep 17, 1991·18 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →