Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Liquid level switch

Liquid level switch

US Patent 5578994 · Granted Nov 26, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Microwave pulse generator and pulse-echo ranging system2003
Apparatus for transmitting radio-frequency signals2003
Method of detecting characteristics of liquids in pipes and pump controlling2000
Level detector for fluent material1999
Level detector for solids1998
Matching transformer for ultrasonic transducer1994
Acoustic transducer1994
Acoustic transducer1993