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DIRCKSEN ARNOLD D

Overview
  • Total Patents
    12
About

DIRCKSEN ARNOLD D has a total of 12 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, transport and weapons are GOODRICH LIGHTING SYSTEMS INC, GOODRICH LIGHTING SYSTEMS GMBH and GOODRICH HELLA AEROSPACE LS.

Patent filings in countries

World map showing DIRCKSEN ARNOLD Ds patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 1

Patent filings per year

Chart showing DIRCKSEN ARNOLD Ds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dircksen Arnold D 12
#2 Roper John M 1
#3 Dircksen David H 1
#4 Golob John E 1
#5 Tellman Herbert H 1

Latest patents

Publication Filing date Title
US4297681A Electroluminescent ring light adapter for aircraft instruments
US3938567A Tractor mounted log splitter
US2370150A Day and night message conveyer
US2376330A Identification light for aerial delivery containers
US2342651A Illuminated tow target
US2273026A Bomb release signal lamp assembly
US2309105A Illuminated message container
US2309104A Utility airplane cockpit lamp assembly
US2347672A Ultraviolet instrument light
US2347671A Ultraviolet fluorescent instrument illumination
US2261978A Illuminated sight
CA414787A Fluorescent lamp