Assignee

OIL BASE

US·2 granted patents·40 citations·filing 1972–1976

Technology mixC09K1 F16L1

Top patents by PatentIndex Score

2 records

0167US4170248AMethod for repairing sewer pipesOIL BASE·Filed 1976·Granted Oct 9, 1979·30 cites·4 claims
0256US3956142ANoncorroding water base drilling fluids and additive system for makingOIL BASE·Filed 1972·Granted May 11, 1976·10 cites·12 claims

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →