Patent assignee · US · COMPANY

Formtek, Inc.

15Patents
9Active
15Granted
39Portfolio score

Filing activity: Nov 23, 1998 → Oct 23, 2018 · 4 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6205898A Rotary cutoff device and method Emerging Cross-Sectional Technologies 14 Expired
US6282932A Axial and transverse roller die adjustment apparatus and method Performing Operations; Transporting 8 Expired
US6725751B1 Rotary punching apparatus Emerging Cross-Sectional Technologies 7 Expired
US7797805B2 Formation and rotational apparatus for cylindrical workpieces Emerging Cross-Sectional Technologies 6 Active
US6644086B1 Retro-fit roll forming mill with jack screw Performing Operations; Transporting 5 Expired
US6647754B2 Variable width roll forming apparatus Performing Operations; Transporting 4 Expired
US7451631B2 Spiral pipe machine Performing Operations; Transporting 2 Active
US8561272B2 Apparatus for assembling insulated duct sections Emerging Cross-Sectional Technologies 2 Active
US10137489B2 Rotary stamper Emerging Cross-Sectional Technologies 1 Active
US7451629B2 Spiral pipe machine Performing Operations; Transporting 1 Expired
US8904625B2 Formation and rotational apparatus and method for cylindrical workpieces Emerging Cross-Sectional Technologies 1 Active
US8783082B2 Rotary stamper Emerging Cross-Sectional Technologies 1 Active
US11583910B2 Rotary stamper Emerging Cross-Sectional Technologies 0 Active
US7681930B2 Duct flange Emerging Cross-Sectional Technologies 0 Active
US9216447B2 Formation and rotational apparatus and method for cylindrical workpieces Emerging Cross-Sectional Technologies 0 Active

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