Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Liquid level control system for refrigeration apparatus

Liquid level control system for refrigeration apparatus

US Patent 4809129 · Granted Feb 28, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pressure relief valve and method of relief valve opening detection2025
Pressure relief valve and method of relief valve opening detection2024
Pressure relief valve and method of relief valve opening detection2022
Ball valve for cold fluids2016
Linear motor valve2012
Universal refrigeration valve2010
CMOS low voltage high-speed differential amplifier2006
Non-prismatic optical liquid level sensing assembly2003
Rate of change detector for refrigerant floodback2003
Non-fouling liquid level control2003
Sealed motor driven valve2002
Sealed motor driven valve2002