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DOUGLAS AIRCRAFT CO INC

Overview
  • Total Patents
    542
About

DOUGLAS AIRCRAFT CO INC has a total of 542 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets machines, transport and basic materials chemistry are EDMUND ROGERS, MURPHY JOHN P and ELISHA HOLDING LLC.

Patent filings in countries

World map showing DOUGLAS AIRCRAFT CO INCs patent filings in countries
# Country Total Patents
#1 United States 443
#2 United Kingdom 47
#3 Germany 24
#4 Switzerland 12
#5 Sweden 8
#6 Austria 2
#7 Denmark 2
#8 France 2
#9 Finland 1
#10 Norway 1

Patent filings per year

Chart showing DOUGLAS AIRCRAFT CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Moreton Douglas H 21
#2 Del Mar Bruce E 20
#3 Hoffstrom Bo N 14
#4 Klemperer Wolfgang B 12
#5 Wheelon Orville A 12
#6 Hamilton Vern E 9
#7 Burton Edward F 9
#8 Petersen Thorvald K 8
#9 Berger Carl 7
#10 Watson Jack H 7

Latest patents

Publication Filing date Title
GB1113329A Hydrostabilizer
US3334741A Rotary flow classifier
GB1070610A Separators
US3284936A Check list holder
GB1104438A Improved electrode and battery
US3345995A Chemical metal removal device
US3310257A Drogue for airspeed-calibration trailing static source
DE1596021A1 Device for removing the pressure in accumulator batteries
US3304739A Cooling system for passenger compartments of vehicles
US3286956A Missile control system
US3266830A General purpose latch
US3262316A Static position error compensation system and apparatus
US3266401A Technical data printer and inspection means
US3265367A Planetary vibrator
US3236094A Cell for testing fluids
US3288981A Implant welding
US3303583A Satellite orbital simulator
US3287166A Battery electrode and battery, and process for preparing said electrode
US3287164A Electrode and battery
US3282550A Cargo pallet latch