Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Polarized electromagnetic relay with magnetic latching for an electric circuit breaker trip release

Polarized electromagnetic relay with magnetic latching for an electric circuit breaker trip release

US Patent 4660012 · Granted Apr 21, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electrical apparatus for differential protection with a test circuit1999
Differential protection device including a rectifier and a toroid having a nanoc1999
Measuring assembly with current sensor and supply transformer1995
Electromagnetic relay polarized by a permanent magnet1992
Ground fault current protective device1990
Residual differential device equipped with a surveillance system for the electro1987