Inventor · Dittelbrunn, DE

Gerd Brunken

11Patents
7h-index
7Co-inventors
59Inventor score

Filing activity: Oct 23, 1979 → Jun 29, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US4665694A Fluid friction coupling Mechanical Engineering; Lighting; Heating 39 Expired
US4685549A Temperature-dependently controllable fluid friction clutch Mechanical Engineering; Lighting; Heating 30 Expired
US4274080A Magnetic security system Physics 15 Expired
US4287735A Key assembly for coded security system Emerging Cross-Sectional Technologies 14 Expired
US4809833A Fluid friction clutch Emerging Cross-Sectional Technologies 10 Expired
US4662495A Fluid-friction coupling for a cooling fan of an internal combustion engine Mechanical Engineering; Lighting; Heating 9 Expired
US4676355A Fluid friction clutch Mechanical Engineering; Lighting; Heating 7 Expired
US4280118A Key-controlled electromagnetic operating mechanism for a lock and the like Emerging Cross-Sectional Technologies 7 Expired
US6269925A Viscous coupling with a volumetric-flow setting means Mechanical Engineering; Lighting; Heating 4 Expired
US5090542A Torsional oscillation damper Mechanical Engineering; Lighting; Heating 2 Expired
US4732249A Fluid friction clutch Mechanical Engineering; Lighting; Heating 1 Expired

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