Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 5351788 | Rope arrangement for an elevator car Rope arrangement for an elevator car. There is a hoisting machine and hoisting ropes moving the elevator car, in which a rope arrangement of the hoisting ropes of the elevator run over rope pulleys placed under the elevator car. The hoisting ropes run ove... | 10/04/1994 |
| 4838385 | Method for coordinating elevator group traffic In a method for coordinating elevator group traffic in a building with one or more change levels constituting an end station for elevator groups operating above and below the change level, and in order to reduce waiting times in tall buildings, the contro... | 06/13/1989 |
