Patent assignee · FR · COMPANY

Compagnie de Construction Mecanique Sulzer

10Patents
0Active
10Granted
31Portfolio score

Filing activity: Jan 20, 1975 → Aug 28, 1986

Most-cited patents

PatentTitleAreaCited byStatus
US4492541A Rotary electrohydraulic device with axially sliding vanes Mechanical Engineering; Lighting; Heating 25 Expired
US3974408A Asynchronous synchronizable magnetic coupling Electricity 24 Expired
US4503928A Hydraulic motor and hydrostatic power transmission using such motor Mechanical Engineering; Lighting; Heating 22 Expired
US4146805A Magnetic drive Electricity 10 Expired
US4006804A Electromagnetically-actuatable rotary vane pump for use as a hydraulic brake Mechanical Engineering; Lighting; Heating 9 Expired
US4331223A Electrohydraulic rotary brake Mechanical Engineering; Lighting; Heating 7 Expired
US4561831A Rotary hydraulic axially slidable vane device of variable capacity Mechanical Engineering; Lighting; Heating 5 Expired
US4469474A Axially slidable vane motor with valves in fluid-based vanes Mechanical Engineering; Lighting; Heating 1 Expired
US4425088A Vane-stator bottom assembly for rotary hydraulic devices Mechanical Engineering; Lighting; Heating 1 Expired
US4748810A Hydromechanical torque transmission device Mechanical Engineering; Lighting; Heating 0 Expired

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