Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Directional control valve having an optical position indicator

Directional control valve having an optical position indicator

US Patent 4794948 · Granted Jan 3, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Solenoid arrangement and valve arrangement2014
Solenoid arrangement and valve arrangement2013
Pole tube2012
Methods for the production of a pressure pipe of an electric hoisting magnet and2007
Solenoid assembly2006
Control arrangement for hydraulic motor1985
Magnetic linear drive1984