Inventor · Le Mans, FR

Guy Lemarquand

15Patents
6h-index
14Co-inventors
63Inventor score

Filing activity: Jun 26, 1987 → Nov 17, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5106273A Vacuum pump for producing a clean molecular vacuum Mechanical Engineering; Lighting; Heating 83 Expired
US5130650A Bearing with a magnetic field angular position sensor Mechanical Engineering; Lighting; Heating 21 Expired
US4870358A Angular position sensor and angular position determination means equipped with several of these sensors Performing Operations; Transporting 17 Expired
US8131005B2 Electrodynamic transducer including a dome with a ferrofluid suspension Electricity 12 Active
US5705756A Differential torque measuring device Physics 12 Expired
US8111870B2 Electrodynamic transducer and use thereof in loudspeakers and geophones Electricity 7 Active
US9327961B2 Electrodynamic speaker structure having MEMS technology Electricity 5 Active
US5304876A Electromagnetic bearing Physics 3 Expired
US8055010B2 Magnetic structure for an ironless electrodynamic-loudspeaker motor, motors and loudspeakers Electricity 2 Active
US8422726B2 Ironless and leakage free coil transducer motor assembly Electricity 1 Active
US10663251B2 Device for projecting a projectile by compressed air using electromagnetic piston compression, associated control method Mechanical Engineering; Lighting; Heating 1 Active
US9210490B2 High fidelty electro-acoustic enclosure and method of manufacture Electricity 0 Active
US8971564B2 Voice coil support for a coil transducer motor structure Emerging Cross-Sectional Technologies 0 Active
US8934659B2 Moving part and electrodynamic transducer provided with such a moving part Electricity 0 Active
US8861778B2 Electrodynamic-transducer magnetic motor Electricity 0 Active

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