Assignee
PARCO MAST & SUBSTRUCTURES INC
US·4 granted patents·124 citations·filing 1986–1991
Top patents by PatentIndex Score
4 records- 0190US4757592AMethod of erecting a portable drilling rigPARCO MAST & SUBSTRUCTURES INC·Filed 1986·Granted Jul 19, 1988·71 cites·6 claims
- 0272US4836300AMethod of performing drilling operations from a derrickPARCO MAST & SUBSTRUCTURES INC·Filed 1988·Granted Jun 6, 1989·27 cites·3 claims
- 0362US4796863ADual cluster crown blockPARCO MAST & SUBSTRUCTURES INC·Filed 1986·Granted Jan 10, 1989·20 cites·2 claims
- 0441US5095992AProcess for installing casing in a boreholePARCO MAST & SUBSTRUCTURES INC·Filed 1991·Granted Mar 17, 1992·6 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when PARCO MAST & SUBSTRUCTURES INC 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 →