Assignee
PARKER DRILLING CO
US·5 granted patents·1 pending application·195 citations·filing 1973–2024
Top patents by PatentIndex Score
6 records- 0195US5921336AWalking substructure devicePARKER DRILLING CO·Filed 1997·Granted Jul 13, 1999·107 cites·15 claims
- 0268US4630425AErection means for portable drilling systemPARKER DRILLING CO·Filed 1985·Granted Dec 23, 1986·41 cites·1 claims
- 0356US4473977AErection means for portable drilling systemPARKER DRILLING CO·Filed 1981·Granted Oct 2, 1984·23 cites·4 claims
- 0447US2024392676A1Systems and methods for automatic operational controlPARKER DRILLING CO·Filed 2024·Application pending·0 cites
- 0542US4903443ADerrick having upper and lower crown block positionsPARKER DRILLING CO·Filed 1988·Granted Feb 27, 1990·13 cites·3 claims
- 0640US3945107AProcess of erecting vertical rising mastPARKER DRILLING CO·Filed 1973·Granted Mar 23, 1976·11 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →