Inventor · disambiguated record
Lee E. Perkins
Also filed as: PERKINS LEE E
9 granted patents·426 citations·filing 1975–1987
91Inventor score
Files withKAJAN SPECIALTY COMPANY INC4PERKINS LEE E2KAJAN SPECIALTY CO INC1LEE E PERKINS1NUT CUTTERS INC1
Top patents by PatentIndex Score
9 records- 0193US4044834AApparatus and method for controlling the flow of fluids from a well borePERKINS LEE E·Filed 1975·Granted Aug 30, 1977·119 cites·27 claims
- 0288US4762344AWell casing connectionPERKINS LEE E·Filed 1987·Granted Aug 9, 1988·142 cites·5 claims
- 0377US4111271AHydraulic jarring deviceKAJAN SPECIALTY COMPANY INC·Filed 1977·Granted Sep 5, 1978·28 cites·29 claims
- 0473US4162691ATubular valve deviceKAJAN SPECIALTY CO INC·Filed 1977·Granted Jul 31, 1979·39 cites·13 claims
- 0566US4200158AFluid retarded accelerating jar with negative and positive pressure chambersLEE E PERKINS·Filed 1978·Granted Apr 29, 1980·31 cites·21 claims
- 0664US4018284AApparatus and method for gravel packing a wellKAJAN SPECIALTY COMPANY INC·Filed 1975·Granted Apr 19, 1977·26 cites·40 claims
- 0764US3992777ATool for releasing a nut threaded onto a boltNUT CUTTERS INC·Filed 1976·Granted Nov 23, 1976·16 cites·7 claims
- 0846US4098338AJarring method and apparatus for well bore drillingKAJAN SPECIALTY COMPANY INC·Filed 1976·Granted Jul 4, 1978·13 cites·30 claims
- 0943US4027732ATool for washing perforations in cased well boreKAJAN SPECIALTY COMPANY INC·Filed 1975·Granted Jun 7, 1977·12 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →