Supersonic rotor disk as a drive disk for aircraft and vehicles of all kinds.
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Airfoil rotor ring for lift and control of missiles.
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Design and application variants of rotating blade ring propellers on a buoyancy plate
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Driven by rotating paddle rings on a buoyancy plate
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Airgliders as a means of transport and transportation in narrow urban areas.
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Rotor discs with buoyant cone as lift discs for aircraft.
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Rotor disk as a lifting disk for aircraft
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High-performance wind turbine with 2 rotors and rotor blades which are inclined from the vertical to the axis of rotation by 10 ° to about 30 ° degrees.
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Device for enhancing the performance of aerodynamic systems and aircraft by vibrating strings on wings and rotor blades.
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Wet shaving device with simultaneous application of shaving fluid to skin, with lip jet in front of standard razor blade to apply fine sliding film to skin during shaving
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Bicycle-drive mechanism worked by arms and legs
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Method of mounting strings on ball game racquets
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Racquet accessory to improve hitting force and reduce recoil impulse
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Device for tennis rackets
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Skirt for attachment to gas nozzle of gas-shielded arc welding gun
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Oscillation unit for pulse modulation of gases used in welding processes
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Template for checking pools coupons
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Hand-held bidet for cleaning and care of the genital area
