Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Fluid-friction coupling for a cooling fan of an internal combustion engine

Fluid-friction coupling for a cooling fan of an internal combustion engine

US Patent 4662495 · Granted May 5, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Viscous coupling with a volumetric-flow setting means2001
Torsional oscillation damper1992
Fluid friction clutch1989
Fluid friction clutch1988
Temperature-dependently controllable fluid friction clutch1987
Fluid friction clutch1987
Fluid friction coupling1987
Key assembly for coded security system1981
Key-controlled electromagnetic operating mechanism for a lock and the like1981
Magnetic security system1981