Assignee
PETROLEUM RECOVERY INST
CA·3 granted patents·221 citations·filing 1979–1995
Top patents by PatentIndex Score
3 records- 0188US5626191AOilfield in-situ combustion processPETROLEUM RECOVERY INST·Filed 1995·Granted May 6, 1997·209 cites·7 claims
- 0234US5513707AProcess for chemically treating reservoir pyrobitumen to improve permeabilityPETROLEUM RECOVERY INST·Filed 1994·Granted May 7, 1996·5 cites·4 claims
- 0328US4217955AOil recovery processPETROLEUM RECOVERY INST·Filed 1979·Granted Aug 19, 1980·7 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when PETROLEUM RECOVERY INST files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →