Assignee
FARR OIL TOOL INC
3 granted patents·62 citations·filing 1979–1982
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0161US4445402APower tong and back-up tong assemblyFARR OIL TOOL INC·Filed 1982·Granted May 1, 1984·35 cites·18 claims
- 0241US4266450APower tong assemblyFARR OIL TOOL INC·Filed 1979·Granted May 12, 1981·13 cites·7 claims
- 0340US4350062APower tongFARR OIL TOOL INC·Filed 1980·Granted Sep 21, 1982·14 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →