Inventor · disambiguated record
Dean P. Hemphill
Also filed as: HEMPHILL DEAN P
7 granted patents·103 citations·filing 1974–1984
85Inventor score
Files withSHELL OIL CO7
Top patents by PatentIndex Score
7 records- 0180US4575280AUnderwater trencher with pipelaying guideSHELL OIL CO·Filed 1983·Granted Mar 11, 1986·30 cites·22 claims
- 0269US3959136AOil spill cleanup method and apparatusSHELL OIL CO·Filed 1974·Granted May 25, 1976·23 cites·11 claims
- 0363US4493590AMethod and apparatus for on surface joining of submarine pipeline segments using an eccentric hingeSHELL OIL CO·Filed 1982·Granted Jan 15, 1985·25 cites·11 claims
- 0462US4438754AMethod for sensing and remotely controlling a tool to workpiece spatial relationshipSHELL OIL CO·Filed 1981·Granted Mar 27, 1984·18 cites·3 claims
- 0531US4549836AIce slot constructionSHELL OIL CO·Filed 1983·Granted Oct 29, 1985·4 cites·2 claims
- 0629US4616956APipeline launching moduleSHELL OIL CO·Filed 1984·Granted Oct 14, 1986·3 cites·10 claims
- 0727US4523876AIce slot maintenanceSHELL OIL CO·Filed 1983·Granted Jun 18, 1985·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →