DK32606C
(en )
1923-12-10
Apparatus for Propulsion and Maneuvering of Ships and Aircraft.
DK29021C
(en )
1921-12-19
Apparatus for Propulsion and Control of Vessels.
DK29345C
(en )
1922-02-20
Apparatus for propulsion and steering of boats.
FR511870A
(en )
1921-01-06
Detachable boat thruster
DK43355C
(en )
1930-11-10
Device for Propulsion and Steering or for Propulsion or Control of Aircraft and Watercraft.
DK34633C
(en )
1925-06-22
Apparatus for propelling, steering and maneuvering ships and other vessels.
FR494868A
(en )
1919-09-20
Propeller propeller
AU1866129A
(en )
1930-03-11
Improved method of and means for propelling watercraft
CA213473A
(en )
1921-09-20
Boat launching apparatus
CA198644A
(en )
1920-03-30
Method and apparatus for navigating vessels and aircraft
CA262877A
(en )
1926-07-27
System of marine propulsion
CA262878A
(en )
1926-07-27
System of marine propulsion
AU974127A
(en )
1928-10-23
An improved method of construction ofa ships hull or form
FR508459A
(en )
1920-10-13
Propeller for airplanes and aircraft
FR541133A
(en )
1922-07-22
Compound propellant and sustentative propeller for helicopter
FR501681A
(en )
1920-04-21
Advanced flying boat
DK28550C
(en )
1921-10-03
Method and Apparatus for the Conversion of Liquid Hydrocarbons.
ES70260A1
(en )
1919-08-01
Improvements in rescue boat maneuvering devices on ships.
FR601371A
(en )
1926-03-01
Maneuvering and launching device for lifeboats
ES74621A1
(en )
1920-11-01
An improved procedure and its corresponding apparatus for the service of submarine signals.
DK44182C
(en )
1931-06-01
Screw propeller system for Propulsion of Ships, Submarines and Aircraft.
DK25014C
(en )
1919-09-15
Apparatus for Creating Airplanes.
DK29770C
(en )
1922-06-19
Apparatus for raising sunken ships and the like.
FR618650A
(en )
1927-03-15
Boat and airplane thruster
DK30102C
(en )
1922-08-21
Apparatus for Raising Sunken Ships.