FR517272A
(en )
1921-05-03
Improvements to propeller thrusters and the like
FR791701A
(en )
1935-12-16
Improvements to the wings or rotating blades of aerial locomotion devices
FR600665A
(en )
1926-02-12
Improvements to propellers for propulsion or aviation, impellers of fans, wind motors and the like
GB176842A
(en )
1922-03-23
Improvements in propellers and fans
FR671016A
(en )
1929-12-07
Improvements to the wings of propeller wheels for thrusters, turbines, pumps, windmills or the like
FR570503A
(en )
1924-05-02
Improvements in the construction of propellant or propeller type fans
FR735817A
(en )
1932-11-16
Improvements made to fan propellers, etc.
FR835724A
(en )
1938-12-29
Improvements to aerial propellers and propeller blades or wings, and manufacturing process
DK45658C
(en )
1932-05-09
Propeller or Screw.
FR606757A
(en )
1926-06-19
Improvements to multi-bladed air propulsion propellers
FR725500A
(en )
1932-05-12
Improvements to the wings, planes, or blades of airplanes, helicopters, propellers or others
FR32563E
(en )
1928-02-14
Improvements to multi-bladed air propulsion propellers
FR514270A
(en )
1921-03-07
Multi-blade propeller or helical fan hub
FR544419A
(en )
1922-09-22
Propeller with adjustable blades
FR845829A
(en )
1939-09-04
Improvements to the propellers with automatically orientable blades
DK46611C
(en )
1932-12-12
Rotary Air Pump or Air Motor.
FR654292A
(en )
1929-04-04
Improvements to propellers
FR736776A
(en )
1932-11-28
Improvements relating to aircraft with freely rotating blades
FI17870A
(en )
1937-12-23
Anordning for elastic rigging or abringing of the outboard motor
FR50526E
(en )
1940-12-26
Windscreen wiper applicable to the gangways of ships, electric locomotives, michelines, airplanes or others
FR688441A
(en )
1930-08-22
Air propeller hub
FR614664A
(en )
1926-12-20
Aircraft and Aircraft Propeller Improvements
FR847077A
(en )
1939-10-03
Windscreen wiper applicable to the gangways of ships, electric locomotives, michelines, airplanes or others
FR829288A
(en )
1938-06-17
Device for varying the pitch of propeller blades, particularly those of aircraft propellers
FR50426E
(en )
1940-06-05
Improvements to the attachments of the blades of aerial propellers