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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Machines | |
#3 | Mechanical elements | |
#4 | Chemical engineering | |
#5 | Environmental technology | |
#6 | Machine tools | |
#7 | Engines, pumps and turbines |
# | Technology | |
---|---|---|
#1 | Aeroplanes | |
#2 | Unspecified technologies | |
#3 | Climate change mitigation in transportation | |
#4 | Gas-turbine plants | |
#5 | Separation | |
#6 | Nails | |
#7 | Parachutes | |
#8 | Clutches and brakes | |
#9 | Turning | |
#10 | Lubricating |
# | 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 |
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 |