Drive for space ship - has reaction force produced directly or indirectly by electrical discharges
DE3935799A1
Drive system for manned spacecraft - uses propulsion forces of products of combustion and ejection of charged mass elements
DE3413018A1
Auxiliary switch
DE3237852A1
Sealing fitting
DE3237496A1
Vacuum switching tube
DE3213879A1
Plug-in or sliding contact for electrical conductors
DE3213880A1
Drive for means of transport
DE2928333A1
Drive for wheeled land vehicles - has rotating masses successively accelerated and decelerated to produce resultant forward force
DE2635995A1
Recirculating ball worm and wheel drive - has worm spindle with balls on helical groove contacting worm wheel
DE2622420A1
Manually powered propulsion system for water craft - uses submerged flexible foil with reciprocating or waving movement and is suitable for recreational applications
DE2610723A1
Demonstration of mutual force of attraction between masses - uses continuous chain loop driven at high speed with parallel section with small gap
DE2536469A1
Orbiting masses for vehicle drive - are rotated eccentrically about radial axes to produce resultant driving force
DE2430605A1
Drive relying on two gyroscopes - makes gyroscopes rotate in forced precession about common main axis to produce drive forces
DE2416283A1
Vehicle centrifugal drive for generating axial thrust - has freely supported inertial planets driven from hub via universal joints
