Did You Know...
...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 |
| 7241321 | Organically clean biomass fuel An organically clean biomass fuel formed of mixture of a powder, which may be either dried, cellulosic product, wood charcoal powder, and/or a combination of the two, and a fluid, which may be vegetable oil, vegetable alcohol or a combination of the two. A centrifug... | 07/10/2007 |
| 6692544 | Municipal waste briquetting system and method of filling land Mechanically and biologically stable briquettes and pellets are obtained from either municipal solid waste (MSW), Refuse Derived Fuel (RDF) or municipal sewage sludge and their combination for purposes of disposing said briquettes and pellets as fuel in w... | 02/17/2004 |
| 5879421 | Apparatus and method for forming an aggregate product from particulate material This invention is directed to a method and apparatus for forming an aggregate product from particulate material, and in particular for making an aggregate coal product from coal particles. The method involves the steps of 1) loading the coal particles int... | 03/09/1999 |
| 5549057 | Dryer and combustible pellet system A dryer for particulate materials comprising an elongated, peripherally enclosed combustion tunnel having a combustion chamber and an exhaust outlet, a liner spaced from and around the combustion tunnel, having an exterior radiant heat reflective shield, ... | 08/27/1996 |
| 4846849 | Method of flue stream heating Fine-grained substances which do not soften below 800° C., such as oil coke, coking duff, pitch coke and/or fine-grained coal with less than 14% volatile constituents, sand, ores, metal oxides, metals or mixtures of such substances, are introduced in at ... | 07/11/1989 |
| 4702746 | System for producing fuel pellets A system for converting selected commercially or industrially derived waste materials in a generally dry and friable form, into a pelleted fuel product, comprising an input conveyor (10), a primary breaker (11) for breaking and reducing the incoming mater... | 10/27/1987 |
| 4692167 | Apparatus for processing solid wastes to produce a fuel An apparatus for processing of residential or industrial solid wastes, including first grinding means, magnetic separation means, first screening means, whose screenings are directed to second grinding means, drying means comprising a hot air generator, g... | 09/08/1987 |
| 4561860 | Process and apparatus for production of refuse derived fuel Refuse derived fuel is produced by taking raw refuse, pulverizing it and n screening it to remove fines and oversize material, the screened residue being passed to an air classifier where the light fraction, rich in paper and plastics, is separated. This... | 12/31/1985 |
| 4557733 | Formcoke process Green coal is charred in pre- and post- treatment carbonizers, then crushed, mixed with pitch, briquetted, tempered in a tempering oven, recirculated with succeeding green coal to char in a reducing atmosphere through only the latter part of the pre-treat... | 12/10/1985 |
| 4514912 | Process for drying of organic solid materials, particularly brown coals For drying organic solid materials, such as brown coals, the solid materials are, particularly for the purpose of immediately subsequent briquetting or refinement or gasification, respectively, preheated and introduced into an atmosphere of saturated stea... | 05/07/1985 |
| 4455148 | Method for de-ashing and transportation of coal A method for de-ashing crushed coal and transporting it in the form of pellets, said method comprising the following steps: A. the step of mixing pulverized coal with a binder to cover the surfaces of coal particles with the binder; B. the step of adding water... | 06/19/1984 |
| 4412840 | Pelletizing lignite Lignite is formed into high strength pellets having a calorific value of at least 9,500 Btu/lb by blending a sufficient amount of an aqueous base bituminous emulsion with finely-divided raw lignite containing its inherent moisture to form a moistened gree... | 11/01/1983 |
| 4345914 | Method of heating fine-grained solids A process for heating fine-grained solids, especially carbonaceous solids such as coke or oil shale, by a process wherein solids are heated to 500° to 920° C. in direct contact with hot gases in a plurality of heating stages, the last of which is a flui... | 08/24/1982 |
| 4316331 | Methods for mechanically dewatering peat Wet peat is dewatered mechanically by conditioning a peat slurry in a decanter centrifuge producing an effluent containing peat particles, and a peat sludge. The sludge thereafter is subjected to a mechanical pressing operation.... | 02/23/1982 |
| 4294584 | Dewatering of coal slurries A slurry of coal particles is dewatered by agglomerating the coal particles using a hydrocarbon binder at an elevated temperature to obtain coal pellets which are then heat treated. Gases released by the pellets during heat treatment may be heat exchanged... | 10/13/1981 |
| 4274836 | Method for improving bed firing characteristics and inhibiting coalescence of coal pellets There is disclosed a method of reducing the swelling characteristics and bed characteristics of a pelletized fuel during a sintering operation. The method comprises the steps of pulverizing the coal to form a powdery mass, forming the mass into discrete p... | 06/23/1981 |
| 4257848 | Apparatus for producing blast furnace coke by coal compaction The method of producing blast furnace coke by (1) compacting a finely divided coal wherein at least about 60% by weight of the coal has a diameter of less than about 1/8 inch to form a coal compact, which compact immediately after removal from the compact... | 03/24/1981 |
| 4248603 | Method and tank for producing hot briquettes A method for producing hot briquettes, for example, for use in blast furnaces, and using a briquetting material of non-caking components, such as low temperature coke from bituminous coal and/or lignite, coke dust and/or oil coke and caking fat coal at te... | 02/03/1981 |
| 4224039 | Coal briquetting methods Methods of and apparatus for cleaning coal in which halogenated hydrocarbons are used as parting liquids. Various novel techniques, components, and combinations thereof are employed to maximize efficiency; to minimize costs and adverse environmental impac... | 09/23/1980 |
| 4221570 | Method and apparatus for producing hardened carbonaceous agglomerates An improved method and apparatus for producing hardened carbonaceous agglomerates from a feedstock selected from the group consisting of finely divided coal solids, finely divided coal-derived solids and hydrocarbonaceous binders is disclosed.... | 09/09/1980 |
| 4181502 | Method of producing form coke A method of producing form coke, particularly metallurigical coke for a blast furnace, comprises, mixing at least two fine ground coal components, of which one is a non-caking component containing only little of volatile matter and comprises an oil coke, ... | 01/01/1980 |
| 4156595 | Formcoke process and apparatus A process for producing formcoke composed of char and selected binders comprising process steps in which non-oxidative thermal carbonization is employed.... | 05/29/1979 |
| 4120666 | Hollow core synthetic fireplace log and method and apparatus for producing same This invention is directed to a synthetic fireplace log with a hollow core, said log being composed of shredded paper and wax. The logs are produced by continuously compacting shredded paper into one end of a compaction chamber, injecting hot molten wax i... | 10/17/1978 |
| 4105504 | Apparatus for producing form coke An apparatus for producing form coke that is coke having pieces of substantially identical form comprises a heated shaft furnace comprises mixing fine coke with a caking coal and pressing the mixture at temperatures at which the mixture is plastic in orde... | 08/08/1978 |
| 4093425 | Process for preparing coal briquettes for coke and apparatus for the process The present invention relates to a process for preparing coal briquettes which comprises pulverizing a starting coal mixture, incorporating therein a caking agent, kneading the resulting mixture and molding it and more particularly to a process for prepar... | 06/06/1978 |
| 4042343 | Fire log process and apparatus A process and apparatus for producing fire logs from a granular combustible starting ingredient and a hot binder includes a continuous cooler so that the entire process may be continuous from starting ingredients to final product. A combustible starting i... | 08/16/1977 |
| 4021206 | Separating coal particles from water The invention relates to a process for separating coal particles in a coal/water slurry from water of the slurry by separating the larger coal particles with a relatively small quantity of water from the smaller coal particles with a relatively large quan... | 05/03/1977 |
| 4008054 | Process for making low-sulfur and low-ash fuels Low-sulfur and low-ash gaseous, liquid and solid fuels are made from coal by a process which first subjects the coal to solvent extraction and hydrotreatment under hydrodesulfurizing conditions in a coal liquefaction zone to reduce the organic sulfur cont... | 02/15/1977 |
| 4003717 | Method and apparatus for recovering by-product silt fines from a slurry thereof The present invention relates to a method and apparatus of recovering by-product fines, such as coal fines, by-product fines created in the manufacture and processing of metals or any very finely divided substance which may be of value when recovered to a... | 01/18/1977 |
