Assignee
EXPLORATION & PROD SERV
GB·5 granted patents·113 citations·filing 1990–1995
Top patents by PatentIndex Score
5 records- 0159US5860478ASub-sea test tree apparatusEXPLORATION & PROD SERV·Filed 1995·Granted Jan 19, 1999·41 cites·17 claims
- 0259US5484022ATubing test valveEXPLORATION & PROD SERV·Filed 1992·Granted Jan 16, 1996·35 cites·26 claims
- 0345US5259456ADrill stem test toolsEXPLORATION & PROD SERV·Filed 1990·Granted Nov 9, 1993·22 cites·17 claims
- 0431US5193619AWell control apparatusEXPLORATION & PROD SERV·Filed 1990·Granted Mar 16, 1993·8 cites·20 claims
- 0530US5222559AValvesEXPLORATION & PROD SERV·Filed 1990·Granted Jun 29, 1993·7 cites·19 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →