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 |
| 7194962 | Versatile rapid thermal process oven A versatile oven for converting carbon based natural resources and waste material to hydrocarbon vapor and carbon char utilizing rapid thermal processing and having the capability of utilizing a portion of the relatively inexpensive carbon based material being proce... | 03/27/2007 |
| 5993751 | Pyrolizer Embodiments of a pyrolizer are disclosed in which carbonaceous materials are pyrolyzed in a two stage process. In the first stage the materials are moved through a pretreater using augers and are heated to between 180 and 220 degrees C. In the second stag... | 11/30/1999 |
| 5820736 | Pyrolysing apparatus This apparatus can effect pyrolysis of hydrocarbon containing material at high temperature of 400° to 500° C. and under vacuum in consecutive batches. The apparatus comprises a cylindrical drum rotatable at a variable speed about a horizontal axis and s... | 10/13/1998 |
| 5318672 | Method and apparatus for heating a low-temperature-carbonization drum A method and an apparatus for heating a carbonization drum is especially used for heating a carbonization drum for a low-temperature-carbonization combustion process. Heating gas heated in a heat exchanger is guided in a heating gas loop from the heat exc... | 06/07/1994 |
| 5225044 | Pyrolytic conversion system A rotary, continuous pyrolytic conversion system converts solid hydrocarbons into gases, liquid hydrocarbons and char by pyrolyzing feed stocks including: plastic waste, tires and plastic from automobile shredding operations; containers and trays of styro... | 07/06/1993 |
| 4568425 | Pyrolysis machine and process A pyrolysis unit in which feed materials containing cellulose or oil are subjected to destructive heating to drive off gases and liquid vapors while leaving solid residue in the form of nearly pure carbon. The feed materials are conveyed in succession thr... | 02/04/1986 |
| 4402791 | Apparatus for pyrolyzing shredded tires An apparatus for pyrolyzing shredded tires including an oven having a discharge opening and a tote having a discharge snout corresponding to the opening, the tote being placed in the oven with the snout inserted into the opening, radiant heating tubes are... | 09/06/1983 |
| 4401513 | Apparatus for pyrolyzing shredded tires A process and apparatus for recovering the material components of rubber tires, the process including the steps of shredding the rubber tires to a size capable of being transported, heating the shredded rubber pieces in an inert atmosphere to a temperatur... | 08/30/1983 |
| 4398471 | Device and method for pyrolyzing waste materials This invention is a device for pyrolyzing waste materials comprising a low - temperature carbonizing reactor. The reactor includes a longitudinally extending tubular vessel adapted to be loaded with waste materials to be pyrolyzed and a flue gas duct whic... | 08/16/1983 |
| 4341620 | Method and apparatus for processing oil shale in a rotary hearth Hydrocarbon containing oil shale is processed on the surface of a rabbled rotary hearth by mixing it with a heat exchange medium consisting of heated spent oil shale. Mixing is obtained by feeding the raw shale and the heated spent shale separately, but i... | 07/27/1982 |
| 4308103 | Apparatus for the pyrolysis of comminuted solid carbonizable materials Apparatus for effecting the pyrolytic treatment of solid carbonizable materials, such as coal, shredded scrap-tires, comminuted municipal waste, sawdust and wood shavings, and the like. The treatment takes place in a cylindrical, horizontally-disposed rea... | 12/29/1981 |
| 4280892 | Process and apparatus for the separation of hydrocarbons from petroleum bearing materials This invention relates to a method and apparatus for the separation of bitumen crude petroleum from oil bearing solid materials and the collection of all the vapors produced, as multiple fractionated hydrocarbons. In its simplest form, the apparatus consi... | 07/28/1981 |
| 4279702 | Apparatus for making hollow carbon microspheres An apparatus for making hollow carbon microspheres starting with hollow microballoons made of a material which can by heating be degraded to a carbon structure having a shape similar to that of the original microballoon. The disclosure teaches specific ba... | 07/21/1981 |
| 4274941 | Process for generating combustible gases, liquid coal byproducts and superheated steam from coal Fine grained coal is fed into a first chamber of a generally horizontally extending fluidizing bed reactor while a stream of hot solid heat exchange material is passed through the chamber. The coal is then subjected to a fluidizing action with a low nitro... | 06/23/1981 |
| 4123332 | Process and apparatus for carbonizing a comminuted solid carbonizable material Process and apparatus for treating a comminuted solid carbonizable material, such as comminuted municipal waste; sawdust, granulated coal, shredded tires and the like wherein the material is caused to be pyrolyzed in a horizontally disposed elongated reac... | 10/31/1978 |
| 3966561 | Apparatus for the carbonization of coal Carbonization of coal in travelling grate furnace with hot gas inlets below the grate. A refractory screen is provided above the grate to provide a flame propagation base for the volatile gases withdrawn from the coal on the grate. The combustion zone abo... | 06/29/1976 |
