Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Centering abutment for viscous fluid drive

Centering abutment for viscous fluid drive

US Patent 4190139 · Granted Feb 26, 1980

Estimated economic value: $412,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of making a valve system for a valve asembly2019
Valve stem and assembly2019
Over-molded valve stem and method of making a valve stem for a valve assembly2016
Pump with linear actuator2012
Compact locking differential2001
Poppet construction for valve1993
Four-way poppet valve with hollow stem and four-port body1990
Three-way poppet valve with hollow stem1990
Double-solenoid single-stem four-way valve1989
Torsion damping mechanism with a viscous coupling1985
Differential case fastener1981
Latch mechanism for locking differential1981