Assignee
COOPETANCHE SA
FR·3 granted patents·117 citations·filing 1981–1986
Top patents by PatentIndex Score
3 records- 0180US4361451AProcess for everting a lining into a conduit utilizing two injection fluidsCOOPETANCHE SA·Filed 1981·Granted Nov 30, 1982·50 cites·12 claims
- 0274US4671840AProcess for internally lining a duct, a lining installation using this process and ducts provided with a lining in accordance with this processCOOPETANCHE SA·Filed 1984·Granted Jun 9, 1987·39 cites·18 claims
- 0358US4861634AMethod for internally lining ducts and sleeves for ducts lined with this methodCOOPETANCHE SA·Filed 1986·Granted Aug 29, 1989·28 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when COOPETANCHE SA 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 →