Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Electrical switching apparatus including a second trip circuit responding to failure of a first trip circuit to provide a repetitive signal

Electrical switching apparatus including a second trip circuit responding to failure of a first trip circuit to provide a repetitive signal

US Patent 7486492 · Granted Feb 3, 2009

Estimated economic value: $3,908,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and method of adaptive electronic overload protection2015
Electrical switching apparatus including a trip coil open circuit test circuit a2013
Circuit interrupter and receptacle including improved contact configuration2012
Communication interface apparatus for an electrical distribution panel, and syst2011
Operational amplifier circuit and arc fault circuit interrupter including the sa2011
Arc fault circuit interrupter and method of detecting and interrupting a resisti2010
Circuit interrupter including a shunt wire current sensor and a processor having2010
Arc fault circuit interrupter and method of parallel arc fault detection2009
Circuit interrupter including nonvolatile memory storing cause-of-trip informati2009
Electrical switching apparatus and receptacle including automatic miswiring prot2009
Arc fault circuit interrupter2008
Arc fault circuit interrupter and method for inhibiting series arc protection ba2008