Inventor · Paris, FR

Gerard Devaud

11Patents
5h-index
5Co-inventors
55Inventor score

Filing activity: Jun 26, 1980 → Mar 25, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4335745A Hydraulic distributor, especially for servo-control systems of aircraft and helicopters Emerging Cross-Sectional Technologies 17 Expired
US4858650A Electrohydraulic servovalve for the control of a hydraulic actuator, in particular in servomechanisms controlling the flight of aircraft Emerging Cross-Sectional Technologies 14 Expired
US5539639A Device for dynamically controlling the trim of a vehicle Performing Operations; Transporting 12 Expired
US5507197A System for the assisted selection of the ratios of an automobile gearbox Emerging Cross-Sectional Technologies 10 Expired
US4414881A Hydraulic control device Mechanical Engineering; Lighting; Heating 7 Expired
US4905572A Hydraulic directional valve for an aircraft control Emerging Cross-Sectional Technologies 5 Expired
US5868035A Electrohydraulic actuator for controlling a vehicle gearbox of the type having an input barrel Emerging Cross-Sectional Technologies 4 Expired
US5560248A System for the assisted selection of the ratios of an automobile gearbox Emerging Cross-Sectional Technologies 4 Expired
US5899226A Hydraulic directional valve for servocontrols of aircraft in particular helicopters Emerging Cross-Sectional Technologies 3 Expired
US4372702A Piston and rod assembly for sliding in a cylinder Mechanical Engineering; Lighting; Heating 3 Expired
US4413547A Servo-control device for aircraft flight control Mechanical Engineering; Lighting; Heating 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.