Inventor
BRUNKEN GERD
11 patents
⚠️ This page may combine multiple inventors who share the name “BRUNKEN GERD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FICHTEL & SACHS AG
7 patentsUS4665694AMay 19, 1987
Fluid friction coupling
FICHTEL & SACHS AG46 citations91
US4685549AAug 11, 1987
Temperature-dependently controllable fluid friction clutch
FICHTEL & SACHS AG35 citations87
US4662495AMay 5, 1987
Fluid-friction coupling for a cooling fan of an internal combustion engine
FICHTEL & SACHS AG12 citations72
US4676355AJun 30, 1987
Fluid friction clutch
FICHTEL & SACHS AG8 citations71
US4809833AMar 7, 1989
Fluid friction clutch
FICHTEL & SACHS AG19 citations68
US5090542AFeb 25, 1992
Torsional oscillation damper
FICHTEL & SACHS AG3 citations61
US4732249AMar 22, 1988
Fluid friction clutch
FICHTEL & SACHS AG2 citations61
SACHS SYSTEMTECHNIK GMBH
3 patentsUS4287735ASep 8, 1981
Key assembly for coded security system
SACHS SYSTEMTECHNIK GMBH29 citations88
US4274080AJun 16, 1981
Magnetic security system
SACHS SYSTEMTECHNIK GMBH24 citations81
US4280118AJul 21, 1981
Key-controlled electromagnetic operating mechanism for a lock and the like
SACHS SYSTEMTECHNIK GMBH8 citations72