Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Surge arrestor unit

Surge arrestor unit

US Patent 5436787 · Granted Jul 25, 1995

Estimated economic value: $1,238,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System and method for controlling a wayside device2019
Warning horn control system, radar system, and method2015
System for electrically connecting conductor to track member2014
Foreign track current suppression system and method2013
Signal alignment monitoring system and method of assembling the same2012
Apparatus and method for contact-less switching2007
Island presence detected1999
Vital wheel detector1997
Method and apparatus for improving rail shunts1992
Crossing control unit1990
Random signature island circuit1989
Processing system for grade crossing warning1986