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Patent No. 5508049

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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Class 202/113 - Plural


Subclass of Class 202 - Distillation: apparatus
Definition: A plurality of retorts are associated. The arrangement may
No. of patents: 24
Last issue date: 05/31/2011


NumberTitleIssue Date
7951271System for recovering oil from used automobile tires
Described is an apparatus for recovery of energy and by-products from automobile and truck tires. The tires are heated in an oxygen poor environment, and the off gases are condensed to recover a liquid oil product and compressible natural gas. The tires are reduces ...
05/31/2011
7344622Pyrolytic process and apparatus for producing enhanced amounts of aromatic compounds
A pyrolysis process and reactor converts various hydrocarbons such as waste materials, for example, scrap polymers, tires, etc., into various chemical components or amounts thereof, not otherwise produced by conventional pyrolytic processes. A large reactor size is ...
03/18/2008
7101464Microwave pyrolysis apparatus for waste tires
A microwave distillation apparatus provides destructive distillation of whole waste tires. The apparatus includes a housing including a plurality of vertically arranged chambers. A preheat chamber provides preheating of a whole waste tire received therein. An irradi...
09/05/2006
7037410Process and apparatus for destructive distillation of rubber
An improved process and apparatus for the destructive distillation or pyrolysis of rubber, such as used rubber tires, to produce liquid and gaseous hydrocarbons and a solid carbonaceous char. A heat transfer gas circulating in a circulation loop is used to cool the ...
05/02/2006
6918999Device and method for sealing levelling door aperture of a coke oven chamber
The invention relates to a device for sealing a leveling door aperture of a coke oven chamber when loading bulk coking coal. The device includes a housing and a leveling door aperture, a leveling arm, composed of at least side panels and cross spacers connecting the...
07/19/2005
6596128Coke oven flue gas sharing
The invention provides a method and apparatus for decreasing gas flow rates in a sole flue gas system for a coke oven during at least an initial coking operation after charging a coking oven with coal. The method includes providing a duct system between a...
07/22/2003
6244199Plant for thermolysis and energetic upgrading of waste products
The invention concerns a plant for the thermolysis of waste products containing an organic fraction, and for simultaneous energetically upgrading these waste products comprising: a unit for loading and supplying the waste products to be treated; a thermol...
06/12/2001
5968320Non-recovery coke oven gas combustion system
A system for transporting and burning under negative pressure in a boiler a raw coke oven gas to produce steam energy. The system has the usual battery of coke ovens and corresponding ascension pipes connected to a collector main. Flushing liquor is spray...
10/19/1999
5944960Carbonizing furnace
The carbonizing furnace of the present invention is capable of effectively making a large amount of carbides and reducing manufacturing cost and maintenance cost. The carbonizing furnace includes a furnace proper being formed into a cylindrical shape, the...
08/31/1999
5507846Apparatus for producing methane-rich gas using a fixed kiln with rotor steam gasifier
A gasifier for producing methane-rich fuel gas from a biomass material feed includes at least one cylindrical vessel, and an axially extending rotor mounted within the vessel. A feeding system is mounted to the vessel at the input end for introducing feed...
04/16/1996
5411714Thermal conversion pyrolysis reactor system
A thermal conversion pyrolysis reactor system (10) is provided for use in providing a continuous flow type pyrolysis reaction for conversion of carbonizable input materials ("MW") (12). The reactor system (10) utilizes a diffusion material ("MD") (14) whi...
05/02/1995
5279712Process and apparatus for the pyrolysis of carbonaceous material
A process for the pyrolysis of carbonation materials such as wood which comprises directly or indirectly heating the carbonaceous material with flue gases. When carbonization commences the direct heating is stopped while indirect heating continues until c...
01/18/1994
5230777Apparatus for producing fuel and carbon black from rubber tires
A method and apparatus for producing fuel and carbon black from rubber are disclosed. The method and apparatus produce a liquid fuel that is low in sulfur content, gaseous hydrocarbons, and solid carbonaceous materials from used rubber tires. Rubber is he...
07/27/1993
5225044Pyrolytic 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
5082534Pyrolytic conversion system
A rotary, continuous pyrolytic conversion system converts solid hydrocarbon containing feedstocks into gases, liquid hydrocarbons and char. A converter drum is contained within an outer drum which is in substantially air-tight relationship with an injecto...
01/21/1992
5057189Recovery apparatus
An apparatus for economically recovering char, oil and fuel gas from vehicle tires is disclosed, for either whole tires or physically fragmented tires. The tires may be washed to remove dirt and road film. The tires are dried and preheated with super-heat...
10/15/1991
4990220Coking reactor
Coking system, wherein the coking blends particularly based on hard coal, are fed batchwise to a reactor (1), which is heated indirectly by heat recovery in regenerators (I, II) or recuperators, whereby the reactor is built as a high-capacity coking react...
02/05/1991
4980029Apparatus for treating waste materials
Gaseous, liguid and solid fuels are recovered from carbonaceous organic waste material by treating charges of waste material in several successive stages including preheating, drying and conversion into solid and gaseous phases, all as a result of heating...
12/25/1990
4919763Apparatus for converting sewage sludge filter cake by pyrolysis
The invention relates to an apparatus for converting sewage-sludge filter cakes into oil, gas and coke by pyrolysis. The apparatus has two dewatering stages--a preliminary evaporating stage and a residual evaporating stage, a conversion stage and a coolin...
04/24/1990
4604165Apparatus for processing bulk materials by induction
An apparatus for processing bulk materials by induction wherein the materials are processed within a plurality of compartments whose walls comprise a material which is adaptable to being heated by induction and wherein the plurality of compartments common...
08/05/1986
4382850Solar retorting of oil shale
An apparatus and method for retorting oil shale using solar radiation. Oil shale is introduced into a first retorting chamber having a solar focus zone. There the oil shale is exposed to solar radiation and rapidly brought to a predetermined retorting tem...
05/10/1983
4231845Equipment for emission-free operation of a coking plant
Injection of steam into the ascension pipe of each coking chamber in a coking plant is continued for a period of time after charging of that chamber so as to create a slightly sub-atmospheric pressure in the chamber during the initial stage of the coking ...
11/04/1980
4208252Apparatus for treatment of rubber and plastic wastes
An apparatus for treatment of rubber and plastic wastes, comprising in series an extruder for heating and melting rubber and plastic wastes to extrude the molten wastes, a decomposing section for heating the molten wastes to prepare decomposed products wh...
06/17/1980
3984288Method for treatment of rubber and plastic wastes
A method for the treatment of rubber and plastic wastes, comprising in series the steps of 1. heating and melting rubber and plastic wastes at a temperature (T1) to extrude the molten wastes with one or a plurality of extruders into one or a pl...
10/05/1976
 
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