Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Control device for hydraulically operated machine

Control device for hydraulically operated machine

US Patent 5520087 · Granted May 28, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Controller of engine and variable capacity pump2000
Control device for variable capacity pump2000
Control circuit for heavy machinery1999
Linear excavation control apparatus for a hydraulic power shovel1998
Controller for hydraulic drive machine1997
Apparatus for changing and controlling volume of hydraulic oil in hydraulic exca1996
Apparatus for changing and controlling volume of hydraulic oil in hydraulic exca1996
Fine operation mode changeover device for hydraulic excavator1995
Hydraulically-operated equipment for construction machinery1994
Method and device for automating operation of construction machine1994
Automatic vibration method and device for hydraulic drilling machine1994
Teaching and playback method for work machine1993