Assignee
DURO LAST INC
US·7 granted patents·2 pending applications·147 citations·filing 1990–2019
Top patents by PatentIndex Score
9 records- 0184US9719551B2Injection-molded roofing membrane plateDURO-LAST INC·Filed 2015·Granted Aug 1, 2017·12 cites·6 claims
- 0276US5145617AMethod of processing scrap roof-membrane sheet material comprising a flexible synthetic fabric substrate enveloped in a thermoplastic plastic envelopeDURO LAST INC·Filed 1990·Granted Sep 8, 1992·54 cites·19 claims
- 0370US7178306B2Single ply roofing systems and methods of constructing themDURO LAST INC·Filed 2003·Granted Feb 20, 2007·31 cites·8 claims
- 0469US5829214AMethods of sealing roof drain pipes in single ply synthetic plastic roof cover systems and roof cover systems employing such drain pipe sealing assembliesDURO LAST INC·Filed 1996·Granted Nov 3, 1998·43 cites·18 claims
- 0564US9645062B2Roofing pull-test frame assemblyDURO-LAST INC·Filed 2015·Granted May 9, 2017·1 cites·11 claims
- 0654US11773598B2Membrane pulling deviceDURO LAST INC·Filed 2019·Granted Oct 3, 2023·2 cites·19 claims
- 0746US7979968B2Roofing membrane puller and method of useDURO LAST INC·Filed 2004·Granted Jul 19, 2011·4 cites·10 claims
- 0845US2007193168A1Single ply roofing systemDURO LAST INC·Filed 2007·Application pending·0 cites
- 0944US2010255739A1Roofing membraneDURO LAST INC·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when DURO LAST 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 →