Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Compressor and method of detecting quantity of mixture of coolant and lubricant in the compressor

Compressor and method of detecting quantity of mixture of coolant and lubricant in the compressor

US Patent 5052897 · Granted Oct 1, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Compositions and methods for prevention and treatment of hearing loss2024
Power conversion system and power storage system2022
Combination therapy for treating disorders of the ear2022
Polishing abrasive particle, production method therefore, polishing method, poli2019
Switching power supply device and semiconductor device2015
Semiconductor device that converts input direct current voltage to regulated out2012
Energy transmission device and semiconductor device for energy transmission cont2012
Switching power supply device, semiconductor device, and control method2010
Energy transfer device and energy transfer control semiconductor device2010
High-breakdown voltage semiconductor switching device and switched mode power su2010
Semiconductor device for controlling switching power supply and switching power 2007
Semiconductor apparatus for controlling a switching power supply2007