Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Coolant condition sensor apparatus

Coolant condition sensor apparatus

US Patent 4666582 · Granted May 19, 1987

Estimated economic value: $4,934,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Noise propagation immunity of a multi-string arc fault detection device2017
Home run arc detection at the photovoltaic string level using multiple current s2016
Systems and methods of discriminating DC arcs and load switching noise2016
Circuit interruption device with constrictive arc extinguishing feature2016
Analog front-end compensation2016
Biometric identification and authentication system2015
Circuit interruption device with constrictive arc extinguishing feature2015
Combination pencil and golf tee2012
Arc fault detection apparatus employing a comparator with a continuously variabl2011
Microprocessor-based capacitance measurement2009
Apparatus for detecting arc faults2007
Method for detecting arc faults2007