Patent assignee · US · COMPANY

PRODUCTIVE RESEARCH LLC

29Patents
23Active
29Granted
44Portfolio score

Filing activity: Oct 29, 1976 → May 14, 2020 · 6 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7927708B2 Formable light weight composites Emerging Cross-Sectional Technologies 38 Active
US5166611A Tone wheel with coined serrations for engaging an annular support surface and method of assembling same on a wheel bearing seal Emerging Cross-Sectional Technologies 35 Expired
US4130966A Ventilator hatch assembly Emerging Cross-Sectional Technologies 33 Expired
USD247510S Ventilator cover General 22 Expired
US8048526B2 Capped particles comprising multi-block copolymers for use in lubricants Emerging Cross-Sectional Technologies 19 Active
US9115264B2 Delamination resistant, weldable and formable light weight composites Emerging Cross-Sectional Technologies 12 Active
US9005768B2 Composite materials including regions differing in properties and methods Emerging Cross-Sectional Technologies 8 Active
US8540842B2 Formable light weight composites Emerging Cross-Sectional Technologies 8 Active
US6592348B1 Lubricant pump and method of producing Emerging Cross-Sectional Technologies 7 Expired
US8796580B2 Processes for welding composite materials and articles therefrom Performing Operations; Transporting 6 Active
US8153257B2 Capped particles comprising multi-block copolymers for use in lubricants Emerging Cross-Sectional Technologies 4 Active
USD247508S Combined ventilator frame and cover General 4 Expired
US9962909B2 Composite materials including regions differing properties, and methods Emerging Cross-Sectional Technologies 3 Active
US9233526B2 Composites having improved interlayer adhesion and methods thereof Emerging Cross-Sectional Technologies 2 Active
US7220111B2 Hydraulic pump Emerging Cross-Sectional Technologies 2 Expired
US8609247B2 Capped particles comprising multi-block copolymers for use in lubricants Emerging Cross-Sectional Technologies 2 Active
US9302349B2 Edge joint of light weight composites Emerging Cross-Sectional Technologies 1 Active
US9981451B2 Delamination resistant, weldable and formable light weight composites Emerging Cross-Sectional Technologies 1 Active
US9434134B2 Formable light weight composites Emerging Cross-Sectional Technologies 1 Active
US9415568B2 Formable light weight composite material systems and methods Emerging Cross-Sectional Technologies 1 Active
US11338552B2 Composite materials, vehicle applications and methods thereof Performing Operations; Transporting 1 Active
US10457019B2 Light weight composite material systems, polymeric materials, and methods Emerging Cross-Sectional Technologies 0 Active
US11084061B2 Composite materials having a coated edge and methods thereof Performing Operations; Transporting 0 Active
US9849651B2 Formable light weight composite material systems and methods Emerging Cross-Sectional Technologies 0 Active
US11331880B2 Delamination resistant, weldable and formable light weight composites Emerging Cross-Sectional Technologies 0 Active

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