Protection against meteorite impact, involving trapping fast meteorites in water baths before they can damage spacecraft
DE19928465A1
Power generation by Stirling motor makes use of added water from tank within expansion tank thus increasing expansion and consequently generator axle speed and power output.
DE19830278A1
Water sprinkler on giant tower for watering of widespread extensive areas
DE19829155A1
Current tapping with waste heat oven for motor car
DE19700067A1
Round Acceleration Plant
DE19629397A1
Inclined magnet positioning method for electric motor or generator
DE4416295A1
Atmosphere independent propulsion drive for spacecraft
DE4334567A1
Impact-reducing system for crashing aircraft - uses very large parachutes together with inflated air-bag underneath
DE4328291A1
Solar cell arrangement for solar vehicle - placing cells for power supply, on sides and front of vehicle as well as upper surface
DE4325136A1
Turbine driven by rain water from roof - consists of turbine blade in electricity generator in downpipe, which is driven by rain water
DE4317214A1
Caster suspension on the tap
DE4215771A1
Plant culture for arid conditions - using stone cladding over soil to prevent evaporation and to retain heat for night warming
DE4108093A1
Armour paper - is chemically treated and structured for house building etc.
DE4104221A1
Acceleration system for rockets - collects pressure from rocket for reuse as propulsion force
DE4104222A1
Flash light beam drive - uses switch to chop laser beam with artificial thruster to achieve millions of flashes per second
DE4014687A1
Movement of heavy objects - by succession of very small atomic explosions
DE4013841A1
Drive using repelling power of short circuit - has open current line arranged behind short circuits
DE4012313A1
Sound waves as power source - uses loudspeaker on lightweight polystyrene foam carrier and suspended by balance moves in response to loudspeaker recoil
