Assignee
GEARHART OWEN INDUSTRIES
13 granted patents·801 citations·filing 1974–1980
Top patents by PatentIndex Score
13 records- 0194US3964556ADownhole signaling systemGEARHART OWEN INDUSTRIES·Filed 1974·Granted Jun 22, 1976·176 cites·17 claims
- 0294US3948321ALiner and reinforcing swage for conduit in a wellbore and method and apparatus for setting sameGEARHART OWEN INDUSTRIES·Filed 1974·Granted Apr 6, 1976·339 cites·44 claims
- 0385US4210018AFormation testersGEARHART OWEN INDUSTRIES·Filed 1978·Granted Jul 1, 1980·57 cites·17 claims
- 0471US4246782ATool for testing earth formations in boreholesGEARHART OWEN INDUSTRIES·Filed 1980·Granted Jan 27, 1981·40 cites·3 claims
- 0570US4124070AWireline shifting tool apparatus and methodsGEARHART OWEN INDUSTRIES·Filed 1977·Granted Nov 7, 1978·40 cites·15 claims
- 0670US4108243AApparatus for testing earth formationsGEARHART OWEN INDUSTRIES·Filed 1977·Granted Aug 22, 1978·35 cites·14 claims
- 0768US4083401AApparatus and methods for testing earth formationsGEARHART OWEN INDUSTRIES·Filed 1977·Granted Apr 11, 1978·35 cites·13 claims
- 0858US4270385ATool for testing earth formations in boreholesGEARHART OWEN INDUSTRIES·Filed 1979·Granted Jun 2, 1981·21 cites·5 claims
- 0957US4094359AApparatus and methods for testing earth formationsGEARHART OWEN INDUSTRIES·Filed 1977·Granted Jun 13, 1978·20 cites·3 claims
- 1051US4164886ASealing projectileGEARHART OWEN INDUSTRIES·Filed 1977·Granted Aug 21, 1979·16 cites·4 claims
- 1148US4248081ATool for testing earth formations in boreholesGEARHART OWEN INDUSTRIES·Filed 1980·Granted Feb 3, 1981·16 cites·3 claims
- 1232US4089381AChamber isolator and sealing means for borehole perforating toolsGEARHART OWEN INDUSTRIES·Filed 1976·Granted May 16, 1978·4 cites·15 claims
- 1321US4150386AApparatus for dispensing and advancing the recording or plotting medium for a strip chart type utilization deviceGEARHART OWEN INDUSTRIES·Filed 1977·Granted Apr 17, 1979·2 cites·3 claims
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