Patent assignee · CA · COMPANY

TRW Canada Ltd.

8Patents
0Active
8Granted
29Portfolio score

Filing activity: Mar 3, 1976 → Nov 10, 1997

Most-cited patents

PatentTitleAreaCited byStatus
US4843833A Appliance control system Mechanical Engineering; Lighting; Heating 53 Expired
US4879878A Air damper assembly for refrigerator/freezer Mechanical Engineering; Lighting; Heating 24 Expired
US4040756A Drill rod thread form Emerging Cross-Sectional Technologies 21 Expired
US4816823A Application specific integrated circuit Physics 14 Expired
US4632331A Retractor assembly Performing Operations; Transporting 9 Expired
US4051906A Extension rods used in percussive drilling Fixed Constructions 2 Expired
US4456896A Low cost relay Electricity 2 Expired
US5898986A Method and apparatus for screwing a nut onto a stud Emerging Cross-Sectional Technologies 0 Expired

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