Patent assignee · US · COMPANY

Quality Engineering Company

5Patents
1Active
5Granted
31Portfolio score

Filing activity: May 4, 1982 → Oct 3, 2016

Most-cited patents

PatentTitleAreaCited byStatus
US4410109A Leak detection system and check valve for use therein Emerging Cross-Sectional Technologies 33 Expired
US5929640A Automated stationary/portable test system for photoconductive drums Physics 4 Expired
US6469513B1 Automated stationary/portable test system for applying a current signal to a dielectric material being tested Physics 3 Expired
US9862426B2 Vehicle splash guard and method of painting same Performing Operations; Transporting 2 Active
US6670814B2 Semi-insulating material testing and optimization Physics 0 Expired

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