...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7344622 | Pyrolytic 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 |
| 7101464 | Microwave 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 |
| 7037410 | Process 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 |
| 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 |
| 5302254 | Process and plant for the thermolysis of industrial and/or urban waste A plant for treating industrial and/or urban waste includes a stage for drying of the waste, followed by a stage for effecting thermolysis of the dried waste and a stage for effecting recovery of the solids and gases resulting from the thermolysis. Thermo... | 04/12/1994 |
| 5230777 | Apparatus 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 |
| 4600476 | Apparatus for aboveground separation, vaporization and recovery of oil from oil shale A retort apparatus for recovering oil from crushed oil shale moved through an elongated housing, includes a plurality of heat exchangers located in the housing for transferring heat to or from the shale. The heat exchangers are spaced to define in sequenc... | 07/15/1986 |
| 4502920 | Apparatus for aboveground separation, vaporization and recovery of oil from oil shale An improved retort apparatus for recovering oil from crushed oil shale moved by gravity through a passageway of an elongated housing includes a control assembly connected adjacent the outlet end of the housing to control the rate of movement of the crushe... | 03/05/1985 |
| 4445910 | Gas generating system and process A gas generating system deriving useful BTU products from cellulosic waste material and comprising a conical shell to which the waste material is fed at the bottom and moved upwardly by an auger to permit the expanding walls of the cone to loosen the mate... | 05/01/1984 |
| 4348211 | Gas generating system A gas generating system utilizing cellulosic waste, such as sawdust and the like, of a low BTU rating, which is partially dried on the closed top of, and then fed to the bottom of a conical generator into which a limited air supply is delivered to the upp... | 09/07/1982 |
| 4338160 | Process for drying and/or preheating coal A plant for pre-heating by fluidizing and for milling coking coal in a treatment chamber is combined, by means of heat a exchanger interposed in a circuit for recirculating heat-conveying gas, with a plant for the dry quenching of hot coke in a quenching ... | 07/06/1982 |
| 4325787 | Apparatus for retorting comminuted oil shale A continuously operable retort-type processing system for the recovery of petroleum-like products from comminuted oil-bearing shale and other oil-yielding particulate solid materials. The retort portion of the system includes an insulated retort outer she... | 04/20/1982 |
| 4306941 | Dry coke quenching apparatus A dry coke quenching process comprises the steps of preheating a coke from a coke oven to a temperature of not lower than 1200° C. by way of burning over its layer a combustible gas mixed with heated air, cooling the coke first to a temperature of not lo... | 12/22/1981 |
| 4293388 | Apparatus for producing abrasion-proof coke forms from bituminous coal, brown coal or peat briquets Abrasion-proof coke forms are produced from bituminous coal, brown coal, or peat in the form of briquets, by preheating the briquets, dehydrating or predrying them, carbonizing them and then cooling them in at least three separate stages in which the briq... | 10/06/1981 |
| 4288295 | Coke oven with apparatus for partially drying and preheating coal A coking oven having a coking chamber and a combustion chamber with a high temperature flue gas outlet connected to a first heat exchanger for heating cool air to cool the flue gases to an intermediate temperature, a coal dryer using the intermediate temp... | 09/08/1981 |
| 4284477 | Coking apparatus for producing coke Vertically elongate pockets are defined between fixed and horizontally movable vertical refractory walls. When the bottom of the pocket is closed, coal dropped into the pocket from above is compressed between the fixed and movable walls and heated to coki... | 08/18/1981 |
| 4276120 | Purification of coke A process and apparatus are disclosed for purification of petroleum coke to produce an economical low sulfur product suitable for electrode production. Finely ground green coke is treated on an enclosed circular grate apparatus and subjected to sequential... | 06/30/1981 |
| 4259157 | Method of producing abrasion-proof coke forms from bituminous coal, brown coal or peat briquets Abrasion-proof coke forms are produced from bituminous coal, brown coal, or peat in the form of briquets, by preheating the briquets, dehydrating or predrying them, carbonizing them and then cooling them in at least three separate stages in which the briq... | 03/31/1981 |
| 4248670 | Device for producing abrasion-proof coke forms A device for producing abrasion-proof coke forms from bituminous or brown coal briquettes, charcoal or peat, comprising, a preheating stage, a dehydrating stage, a carbonization stage and a cooling stage, each stacked in a column to form a tower furnace. ... | 02/03/1981 |
| 4247366 | Method of operating a coal predrying and heating plant in connection with a coking plant A method of preparing and delivering coal to a coking plant, comprises, conveying the coal to the plant on a moving conveyor while an inert combustion gas is directed over the coal being conveyed. The combustion gas is generated by burning a fuel with air... | 01/27/1981 |
| 4246071 | Process for the recovery of coke oven waste heat This invention is directed to a process for making coke and recovering the heat therefrom for preheating the firing gas to the coke oven. The process involves the use of the coke oven firing gas to extract the sensible heat from the hot coke from the coki... | 01/20/1981 |
| 4240877 | Method for preheating coal for coking A method of preheating coal for coking comprises bringing a hot operating gas into direct contact with the coal to preheat the coal. Both the coal and the operating gas are passed into a separator and the separator is operated so as to effect the separati... | 12/23/1980 |
| 4231844 | Method and apparatus for producing abrasion resistant coke from brown coal briquets A method of producing abrasion resistant coke from brown coal briquets in a shaft furnace comprises charging the coke briquets into the top of the furnace and removing coke from the bottom of the furnace while directing inert hot combustion gases into the... | 11/04/1980 |
| 4226699 | Method and apparatus for conservation of heat from sludge produced by a retort In a process for the retorting of oil shale wherein hot flue gases containing oxygen are used for preheating the raw oil shale and wherein, additionally, a combustible sludge containing particulate matter and bottoms oil is produced, method and apparatus ... | 10/07/1980 |
| 4208251 | Process and apparatus for producing nonaqueous coke slurry and pipeline transport thereof A process comprising heating coal in a substantially air-free environment to liberate volatile materials and produce coke, condensing at least some of the volatile materials so liberated to liquefied products and dispersing the coke therein to form a coke... | 06/17/1980 |
| 4198273 | Apparatus for producing petroleum coke calcinate Green petroleum coke is indirectly dried, than calcined in a cylindrical rotary kiln and indirectly cooled utilizing a one-way gas flow in the system. Most of the dust in the vapor from the drying step is directly burned in a steam boiler whose off-gases ... | 04/15/1980 |
| 4190497 | Apparatus for heating up a chamber of a coking battery After replacement of the walls of one chamber of a coking battery this one chamber is heated up by withdrawing relatively hot air from another still-hot chamber of the coking battery and injecting it into the cold chamber. This is done by means of a condu... | 02/26/1980 |
| 4178150 | Process and installation for drying and heating coal Coal is passed in a two-stage process through a drying and heating zone. The coal coming from the drying zone is separated from the heat carrier gas which is then passed into the atmosphere after going through an electrodust separator. The dried coal is d... | 12/11/1979 |
| 4174947 | Installation and process for regulating the preheating of coking coal Coking coal is preheated in a fluidization chamber which houses a rotary percussion grinder and into the bottom of which a vertical pipe leads from a combustion chamber. Coal is introduced into the pipe and is entrained by gas in the pipe which gas subseq... | 11/20/1979 |
| 4053364 | Drying and preheating of moist coal and quenching of the formed coke In a coking installation moist coal to be converted into coke is dried and preheated by being contacted by a hot drying gas. The hot coke which is formed is subjected to a dry quenching in which at least a portion of the heat lost by the hot coke during t... | 10/11/1977 |