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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Transport | |
#3 | Weapons | |
#4 | Measurement | |
#5 | Machine tools |
# | Technology | |
---|---|---|
#1 | Parachutes | |
#2 | Lighting device details | |
#3 | Portable lighting devices | |
#4 | Electric discharge tubes | |
#5 | Targets | |
#6 | Veneer production | |
#7 | Special measuring | |
#8 | Vehicle signalling and lighting | |
#9 | Weapon sights |
# | 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 |
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 |