Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7282807 | Systems and methods for testing a wind turbine A system for testing is described. The system includes a wind turbine, a grid generator configured to generate power and coupled to the wind turbine, and a portable load coupled to the grid generator. ... | 10/16/2007 |
| 5381088 | Change-over type of testing equipment for non-utility power generators or the like A change-over type of testing equipment for non-utility power generators, etc., includes a current-passing tank through which is charged with a resistance liquid, a main electrode disposed in the tank so as to receive power from the non-utility power gene... | 01/10/1995 |
| 5250924 | Power supply testing system for non-utility power generators and so on A power supply testing system for non-utility power generators, etc. includes a test tank filled with a resistive liquid; a main electrode housed within the test tank to receive power from a non-utility power generator to be tested; a movable insulator me... | 10/05/1993 |
| 5107209 | Power supply testing system for non-utility power generators A power supply testing system for a non-utility power generator, etc. a plurality of tank units to be powered, which are provided depending upon the number of phases of a multi-phase AC power source used with the non-utility power generator and each of wh... | 04/21/1992 |
| 4939500 | Electrode water circulation and processing system and hooded radiator for water rheostat The water rheostat has a main electrode unit including the main electrode shaped as a hollow cylinder and provided with an electrode water inlet port in the top of the hemispherical upper end portion of the electrode, electrode water outlet ports at equal... | 07/03/1990 |
| 4910457 | Water resistance load system The water resistance load system which comprises a water resistor, which includes a cylindrical base electrode with a bottom for storing a predetermined quantity of water while water is circulated through the cylindrical base electrode and a cylindrical m... | 03/20/1990 |
| 4853621 | Water resistance load system The water resistance load system comprises a water resistor, which includes a cylindrical base electrode with a bottom for storing a predetermined quantity of water while water is circulated through the cylindrical base electrode and a cylindrical main el... | 08/01/1989 |
| 4039854 | Liquid rheostat system Liquid rheostat system especially a water rheostat, employing the principle wherein electrical energy may be dissipated in the form of heat, by passing the electrical current through a liquid resistor or electrolyte, and wherein the apparatus is reasonabl... | 08/02/1977 |
