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LEDEX INC

Overview
  • Total Patents
    164
About

LEDEX INC has a total of 164 patent applications. Its first patent ever was published in 1957. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and mechanical elements are TRANSFORMATOREN UNION AG, ALBERT F DORMEYER and SANMEI DENKI KK.

Patent filings per year

Chart showing LEDEX INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Coors George T 13
#2 Myers John L 13
#3 Leland Gerald H 11
#4 Mohler David B 10
#5 Roy Kenneth Lee 7
#6 Roy Kenneth L 6
#7 Fugate Philip Edward 5
#8 Hardwick David R 4
#9 Fugate Philip E 4
#10 Biser Roger W 4

Latest patents

Publication Filing date Title
US5161083A Solenoid actuator with position feedback system
US4988907A Independent redundant force motor
US4855700A Dual conversion force motor
US4847581A Dual conversion force motor
US4812884A Three-dimensional double air gap high speed solenoid
US4660010A Rotary latching solenoid
US4470030A Trip solenoid
EP0077816A1 Trip solenoid.
CA1159099A Linear solenoid device
CA1151714A Print wire solenoid
US4309582A Push button switch for a controller
US4306206A Linear solenoid device
FR2454375A1 Printing needle control coil
US4272748A Print wire solenoid
US4306208A Joy-stick controller
GB2056780A Tubular solenoid
US4282501A Bi-directional linear actuator
US4235114A Material testing device
JPS54156963A Manual operating device
US4217567A Tubular solenoid