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DOAK AIRCRAFT CO INC

Overview
  • Total Patents
    11
About

DOAK AIRCRAFT CO INC has a total of 11 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets transport, machines and mechanical elements are CLAUDE DORNIER, GWINN JR JOSEPH M and RAYMOND SAULNIER.

Patent filings in countries

World map showing DOAK AIRCRAFT CO INCs patent filings in countries
# Country Total Patents
#1 United States 10
#2 United Kingdom 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Nelson Norman E 3
#2 Morris Charles W 3
#3 Reichert James B 2
#4 Grace Nelson E 2
#5 Doak Edmond R 2
#6 Emerson Mclaughlin John 1
#7 Erpenstein Oscar M 1
#8 Ozenne Gilbert J 1
#9 Beckington Arthur R 1

Latest patents

Publication Filing date Title
US2982117A Flexible drive shaft assembly
US2974900A Aircraft flight control system
GB850060A Flight control systems on aircraft
US2991026A Aircraft flight control system
US2944395A Means and methods of neutralizing and converting thrust components
US2948111A Means to increase static pressure and enhance forward thrust of aircraft components
US2705053A Oil degasification
US2588029A Lounging chair
US2709473A Tube bending machine
US2501035A Toy automobile
US2349741A Drill socket construction