Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pressure limiting valve, particularly for hydraulic mine props

Pressure limiting valve, particularly for hydraulic mine props

US Patent 4418715 · Granted Dec 6, 1983

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Signal translator for interconnecting CMOS and BiCMOS logic gates1993
Fast change standard cell digital logic chip1993
Module for preventing instability in integrated circuit testers1991
Semicustom chip whose logic cells have narrow tops and wide bottoms1990
Synchronizer having dual feedback loops for avoiding intermediate voltage errors1989
Nonsaturating bipolar logic gate having a low number of components and low power1988
Logic circuit having testability for defective via contacts1987
Three-state logic circuit for wire-ORing to a data bus1987
Integrated circuit having three power bases and proportioned parasitic resistive1986
Integrated logic circuit incorporating a module which generates a control signal1986
Nucleation bubble generator for bubble domain devices1983
Process for measuring the tightness of endless driving means during operation1983