Assignee
RENFROE & SONS INC J
US·5 granted patents·116 citations·filing 1977–1991
Technology mixB66C5
Top patents by PatentIndex Score
5 records- 0180US4162804ALifting clampRENFROE & SONS INC J·Filed 1978·Granted Jul 31, 1979·33 cites·20 claims
- 0278US4183571AScrew-type lifting clampRENFROE & SONS INC J·Filed 1977·Granted Jan 15, 1980·33 cites·16 claims
- 0360US4498699ALifting clamp locking mechanism with push button release handleRENFROE & SONS INC J·Filed 1982·Granted Feb 12, 1985·16 cites·6 claims
- 0456US4492401ANon-marring lifting clampRENFROE & SONS INC J·Filed 1983·Granted Jan 8, 1985·15 cites·14 claims
- 0555US5255950AClamp with freely rotatable coupling and associated method of rotatably manipulating a structural memberRENFROE & SONS INC J·Filed 1991·Granted Oct 26, 1993·19 cites·39 claims
Join the waitlist — get patent alerts
Get an alert when RENFROE & SONS INC J 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 →