NO139950B
(no )
1979-03-05
Skipspropell med vridbare blader.
US1828783A
(en )
1931-10-27
Lifting device
GB606420A
(en )
1948-08-13
Improvements in or relating to helicopters
US1826013A
(en )
1931-10-06
Gyroscopic control system for dirigible craft
GB191329661A
(no )
US2223562A
(en )
1940-12-03
Antirolling device for ships
US2049375A
(en )
1936-07-28
Automatic steering control
NO131875B
(no )
1975-05-12
US2408489A
(en )
1946-10-01
Rotary wing aircraft
US2954185A
(en )
1960-09-27
Helicopter towing apparatus
GB1360041A
(en )
1974-07-17
Control apparatus for a blade wheel propeller
US4540341A
(en )
1985-09-10
Adjustable propeller for marine vessel drive
US1431244A
(en )
1922-10-10
Stabilizing aircraft by means of gyroscopic effects
US3039078A
(en )
1962-06-12
Stabilized echo depth sounding apparatus
US3168265A
(en )
1965-02-02
Control system for aircraft with slow flight or hovering characteristics, in particular for vertically starting and landing aircraft
US3037722A
(en )
1962-06-05
Gyro stabilizer for helicopter
GB1348661A
(en )
1974-03-20
Cycloidal propellers
US3336891A
(en )
1967-08-22
Automatic pilot system for dirigible vehicles
US3611971A
(en )
1971-10-12
Control of moving surfaces
US2099380A
(en )
1937-11-16
Antirolling apparatus for ships
US2405047A
(en )
1946-07-30
Sight control mechanism
US1992086A
(en )
1935-02-19
Control apparatus for aeroplanes and other dirigible objects
GB191418408A
(en )
1915-04-01
Improvements in or relating to the Control of Moveable Bodies such as Torpedoes from a Distance.
US2920596A
(en )
1960-01-12
Depth control mechanism for dirigible submarine
US1772348A
(en )
1930-08-05
Lateral stabilization for torpedoes