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 |
| 7419010 | Seal breaking apparatus of gas cylinder The present invention provides a fire extinguisher. The fire extinguisher has two cylindrical bodies that can house a plurality of gas cylinders; a plurality of cylinder holders; a plurality of needle tubes that can break sealing plates sealing the gas cylinders; an... | 09/02/2008 |
| 7143833 | Portable fire-extinguisher A portable aerosol fire-extinguisher has an elongate metal casing (3) with a handle (2) and an internal chamber (4) for housing a charge (5) of a solid substance which can be transformed, at a predetermined temperature, into an aerosol wi... | 12/05/2006 |
| 7128163 | Self servicing fire extinguisher with external operated internal mixing with wide mouth and external COchamber Improvements to a portable fire extinguisher are disclosed. The improvements allow for frequent and simpler untrained and automatic self servicing of a fire extinguisher. The improvements include an anti-bridging mechanism that can be articulated from the exterior o... | 10/31/2006 |
| 7124833 | System for delivery of breathable fire extinguishing gas This invention relates to an improved portable system for the delivery of a breathable, fire extinguishing gas mixture to a fire zone. The gas mixture comprises a normally gaseous inert material, such as nitrogen, helium or argon; an oxygen containing gas; and carbo... | 10/24/2006 |
| 7108074 | Device with a storage tank that is filled or can be filled with an active ingredient and atomizer unit The apparatus (1e, 1f) according to the invention has a storage tank (5) which is or can be filled with an active substance (3), a pyrotechnic charge (6; 39) in a first end region (9) of the storage tank (5 | 09/19/2006 |
| 6973975 | Universal transportable compressed air foam fire fighting system A compressed air/foam fire fighting system which is sufficiently compact to be carried on the bed of a pick-up truck includes a water tank, a pump for providing water at substantial pressure to a water conduit, an engine for driving the pump, a foam reservoir includ... | 12/13/2005 |
| 6935542 | Device for retaining and for inserting a flexible tube assembly into a fluid container A device for use with a container having a container top includes a tubular retainer engaging the container top and a tube assembly. The tubular retainer has a retainer top, a retainer bottom, a longitudinal axis, and an inner passageway formed along the longitudina... | 08/30/2005 |
| 6896204 | Water pressured destruct enhancer The present invention comprises an extension tube that attaches to the bore end of a water jet producing device that is used to render safe improvised explosive devices by disrupting the firing train of said devices. The present invention comprises an extension tube... | 05/24/2005 |
| 5660236 | Discharging fire and explosion suppressants A nozzle unit for discharging and atomizing a fire or explosion suppressant comprises a rigid-walled cylindrical container having a nozzle portion at one end with radially directed discharge orifices. A rupturable barrier normally blocks the nozzle portio... | 08/26/1997 |
| 5632337 | Fire-fighting equipment In fire-fighting equipment having a drive unit for supplying extinguishing liquid, the drive unit is at least one hydraulic accumulator in which a high initial drive pressure falls to a reduced drive pressure in use. The hydraulic accumulator supplies onl... | 05/27/1997 |
| 5370189 | Fire extinguisher bottle with pick-up tube The fire extinguisher bottle is intended for a vehicle or other moving structure and is clamped in a horizontal position. The outlet is ducted to locations where the fire extinguisher fluid may be required, such as the engine compartment and/or passenger ... | 12/06/1994 |
| 4889189 | Fire suppressant mechanism and method for sizing same Disclosed is a fire extinguisher comprising a container separated into two compartments, one compartment containing pressurized gas and the other containing an extinguishant. The container has a valve to release the extinguishant, which is forced from the... | 12/26/1989 |
| 4197915 | Self-righting thrown or rolled spherical fire extinguisher A substantially spherical hollow body is filled with a fire extinguishing chemical under greater than atmospheric pressure. The top of the body is provided with a normally closed exhaust valve biased open by a handle. The handle is also used to throw the ... | 04/15/1980 |
