Assignee
VALENCE OPERATING COMPANY
US·3 granted patents·48 citations·filing 1999–1999
Top patents by PatentIndex Score
3 records- 0160US6354377B1Gas displaced chamber lift system having gas lift assistVALENCE OPERATING COMPANY·Filed 1999·Granted Mar 12, 2002·24 cites·5 claims
- 0241US6237692B1Gas displaced chamber lift system having a double chamberVALENCE OPERATING COMPANY·Filed 1999·Granted May 29, 2001·19 cites·17 claims
- 0330US6269884B1Gas displaced chamber lift system with closed loop/multi-stage ventsVALENCE OPERATING COMPANY·Filed 1999·Granted Aug 7, 2001·5 cites·15 claims
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