Assignee
ENG ENTERPR
13 granted patents·436 citations·filing 1975–1988
Top patents by PatentIndex Score
13 records- 0196US4886432ABladder pump assemblyENG ENTERPR·Filed 1988·Granted Dec 12, 1989·134 cites·9 claims
- 0292US3997009AWell drilling apparatusENG ENTERPR·Filed 1975·Granted Dec 14, 1976·55 cites·9 claims
- 0381US4160551ASeal assemblyENG ENTERPR·Filed 1977·Granted Jul 10, 1979·35 cites·9 claims
- 0479US3971450AWell drilling toolENG ENTERPR·Filed 1975·Granted Jul 27, 1976·45 cites·38 claims
- 0574US4466777APump control circuitENG ENTERPR·Filed 1982·Granted Aug 21, 1984·26 cites·5 claims
- 0668US4019591AWell drilling toolENG ENTERPR·Filed 1975·Granted Apr 26, 1977·29 cites·54 claims
- 0767US4019592ABy-pass toolENG ENTERPR·Filed 1975·Granted Apr 26, 1977·29 cites·5 claims
- 0860US4256189AWell drilling toolENG ENTERPR·Filed 1979·Granted Mar 17, 1981·22 cites·9 claims
- 0958US4260032AWell drilling toolENG ENTERPR·Filed 1979·Granted Apr 7, 1981·15 cites·1 claims
- 1048US4260167AWell drilling toolENG ENTERPR·Filed 1979·Granted Apr 7, 1981·14 cites·26 claims
- 1147US4308927AWell drilling toolENG ENTERPR·Filed 1980·Granted Jan 5, 1982·10 cites·3 claims
- 1244US4284149AWell drilling toolENG ENTERPR·Filed 1979·Granted Aug 18, 1981·11 cites·17 claims
- 1343US4260030AWell toolENG ENTERPR·Filed 1979·Granted Apr 7, 1981·11 cites·20 claims
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