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 |
| 7171976 | Steam trap with float Provided is a steam trap, in which an inlet and an outlet in a body are formed collinearily and a float for opening/closing the outlet is included. The steam trap having a float within a case includes the case, a cover, a strainer, the float, an arm, a gate, a lever... | 02/06/2007 |
| 4635672 | Air vent There is disclosed a vent for venting air from a system of the type which conducts fluid under pressure. The vent includes a chamber, a ball valve within a top wall of the chamber, and a float within the chamber which is arranged for vertical movement the... | 01/13/1987 |
| 4545397 | Float valve assembly A float valve assembly capable of operating as a steam trap for discharge of fluid from a system wherein a float operates to open and close an orifice located in a valve seat, the valve assembly being adapted to be easily converted for use in either horiz... | 10/08/1985 |
| 4440144 | Heater apparatus and method Heater apparatus is disclosed having a metal firebox in which fuel is burned and an outer ceramic enclosure having ceramic mass walls which absorb excess heat when the heater produces more heat than is required and distributes the heat gradually by radiat... | 04/03/1984 |
| 4300719 | Steam traps The disclosure relates to an improved temperature responsive control arrangement. It includes a valve member, a chamber, and a bellows disposed in said chamber for controlling the position of the valve member in response to the temperature of fluid flowin... | 11/17/1981 |
