Patent assignee · US · COMPANY

Sarnafil, Inc.

8Patents
1Active
8Granted
29Portfolio score

Filing activity: Sep 20, 1999 → Jan 4, 2006 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6282857A Articulating plate assembly for retaining sheets of roofing material on a roof surface Fixed Constructions 55 Expired
US6554947B2 Method for attaching thermoplastic strips to thermoplastic roof membranes Emerging Cross-Sectional Technologies 27 Expired
USD446319S Roof membrane stress plate General 25 Expired
US7094298B2 Apparatus and method for welding overlapping water-proof membranes to each other Emerging Cross-Sectional Technologies 17 Expired
US6581663B2 Weld wheel assembly for disposition on a membrane welding machine Emerging Cross-Sectional Technologies 8 Expired
US6325126A Nozzle for heat welding overlapping roof membranes to each other along separated first and second paths Emerging Cross-Sectional Technologies 8 Expired
US7686056B2 Apparatus and method for applying strips of thermoplastic material to thermoplastic membranes Emerging Cross-Sectional Technologies 5 Active
US6533014B1 Nozzle for heat welding overlapping roof membranes to each other along separated first and second paths Emerging Cross-Sectional Technologies 4 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.