Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 5490387 | Flame-out resistant fuel pumping system The fuel pumping system for delivering fuel to an engine includes a fuel transfer circuit for directing fuel from a fuel supply tank to the engine, a fuel boost pump, a main fuel pump and an accumulator device positioned along the transfer circuit between... | 02/13/1996 |
| 4633843 | Carburetor arrangement for an internal combustion engine The invention is directed to a carburetor arrangement for an internal combustion engine of a working tool such as a portable hand-held chain saw, a cutoff machine or the like and includes a tank from which the fuel is conducted to the main nozzle of a car... | 01/06/1987 |
| 4137943 | Diaphragm vent valve for fluid storage tank with vapor recovery system A tank for volatile fluid is fitted with a diaphragm vent valve as an integral portion of a system in which both emission control regulations and safety regulations are met. Vapors are recovered in this system but more importantly, the tank such as the on... | 02/06/1979 |
| 4109677 | Protective device for storage tanks Two forms of device are described for preventing unintentional removal of the contents of mobile tanks before unlocking the vent caps thereof. In one form, a guard unit is provided which is movable between positions permitting or interfering with attachme... | 08/29/1978 |
| 4086938 | Door and drain control interlock A dishwasher has a cabinet which defines a cavity, an access opening into the cavity, and a door for said opening. A washing fluid reservoir in the cabinet beneath the cavity holds washing fluid for the dishwasher. A drain for the washing fluid reservoir ... | 05/02/1978 |
