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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 4980030 | Method for treating waste paint sludge A method and apparatus are disclosed for the treatment of paint sludge and for reducing volatile organic compound emissions from a paint spraybooth operation, thereby obtaining a recyclable material for use in new coating products. In such an operation, u... | 12/25/1990 |
| 4977840 | Minimization of environmental wastes Industrial, municipal, sanitary, marine, and infectious waste materials are thermally and chemically converted principally to steam, fuels and environmentally acceptable solids by dehydration, pyrolysis of the solid residue therefrom, and finally gasifica... | 12/18/1990 |
| 4969406 | Method for the thermal decomposition of a fluid substance contained in a gas A method for the thermal decomposition of a fluid toxic substance contained in a gas comprises a cylindrical main combustion chamber and a secondary combustion chamber arranged thereabove. An inlet opening leads into the main combustion chamber at an angl... | 11/13/1990 |
| 4961389 | Slag processing system for direct coal-fired gas turbines Direct coal-fired gas turbine systems and methods for their operation are provided by this invention. The gas turbine system includes a primary zone for burning coal in the presence of compressed air to produce hot combustion gases and debris, such as mol... | 10/09/1990 |
| 4951582 | Wrap-around heat and smoke extractor This invention relates to a method and apparatus for the extraction of heat and smoke from a fuel burn in a firebox. The design is for the firebox exhaust area to be wrapped with its own hot exhaust gases, for smoke extraction, and then, for heat extracti... | 08/28/1990 |
| 4945841 | Apparatus or method for carrying out combustion in a furnace A furnace and burner construction and method of burning fuel therein. The furnace housing has an end wall and side walls extending generally perpendicularly from the end wall and defining a furnace interior. One or more air supply ports open axially there... | 08/07/1990 |
| 4930429 | Apparatus and process for generating steam from wet fuel A process and apparatus for the gasification of partially dried fuel with hot gas which has been heated by bringing it into contact with an inert hot heat carrier. The fuel gases generated during the gasification process are further combusted and utilized... | 06/05/1990 |
| 4878441 | Apparatus and process for generating steam from wet fuel A process and apparatus for generating steam from wet fuel, wherein water is evaporated from the wet fuel by bringing the fuel into direct contact with superheated steam. The steam is superheated by bringing it into contact with a hot heat carrier. The he... | 11/07/1989 |
| 4864942 | Process and apparatus for separating organic contaminants from contaminated inert materials A method for economically separating organic contaminants such as volatile organic chemicals (VOC's) and polychlorinated biphenyls (PCB's), even if the contaminants are present at low concentrations, from inert materials such as soils or sludges, comprisi... | 09/12/1989 |
| 4843979 | Incineration system for the destruction of hazardous wastes A process and apparatus for the controlled incineration of hazardous wastes comprising a two stage combustion of the waste into gases. The gases are thereafter cooled and cleaned by passing through primary and secondary scrubbers for cleaning. The inventi... | 07/04/1989 |
| 4831943 | Treating ash and dust from incineration plants by coprocessing with hazardous waste and/or metallic scrap A method of treating ash and dust from incineration plants. The ash and dush are coprocessed by mixing one or more hazardous wastes and/or metallic scraps therewith. The mixture is supplied to a smelting furnace together with a reducing agent.... | 05/23/1989 |
| 4797142 | Method of preparing a melt for the production of mineral wool Method of preparing a melt for the production of mineral wool wherein suitably composed raw material and coke are fed into a preheating zone in the upper portion of a shaft furnace and are caused to descend down through the oxidation zone in which air is ... | 01/10/1989 |
| 4794871 | Method and installation for the treatment of material contaminated with toxic organic compounds Method and installation or apparatus for the treatment of material contaminated with toxic organic compounds in which the material is subjected to a thermal treatment to destroy or decompose the toxic compounds, the thermal treatment being carried out in ... | 01/03/1989 |
| 4776288 | Method for improving solids distribution in a circulating fluidized bed system Disclosed is a process for improving the solids distribution in a circulating fluidized bed system. In the invention, hot ash from the system and fresh carbonaceous fuel are mixed in a chamber which is fluidized so as to form a fluidization zone wherein t... | 10/11/1988 |
| 4776285 | Process for gasifying fuels with oxygen or oxygen-containing gases to be carried out in a shaft-like furnace arrangement When gasifying fuels with oxygen in a shaft-like furnace adapted to receive solid charging stock and including a primary gas chamber on its lower end to be charged by at least one burner, a fixed bed is formed in the primary gas chamber by the charging st... | 10/11/1988 |
| 4771711 | Furnace A furnace has a solid fuel hopper above a combustion chamber, an ash outlet below said combustion chamber, a combustion gas outlet at or below the level of the combustion chamber, and an auger in an ash chamber below the ash opening to regulate the size o... | 09/20/1988 |
| 4771708 | Incinerator and heat recovery system for drying wood poles An incinerator system utilizes recovered heat from the incineration of wood waste left by harvesting of forests to dry green wood products. An automatic feeder loads waste wood into a furnace which discharges combustion gases through a stack wherein a spi... | 09/20/1988 |
| 4768445 | Waste incinerator construction A waste incinerator, especially for waste products from the chemical industry, comprising a horizontal, stationary or revolving, combustion chamber, and a vertical, brick lined afterburning chamber with circular cross section. The steel casing of the afte... | 09/06/1988 |
| 4762529 | Novel fuel for use in energy generating processes A novel fuel composition containing the alcohol-soluble portion of the product obtained as a result of the mild reaction of a lignin-containing material with nitric acid and a component selected from the group consisting of water, methanol, ethanol mixtur... | 08/09/1988 |
| 4760803 | Process for generating energy in a furnace or combustion engine A process for generating energy in a furnace or combustion engine which comprises burning therein the novel alcohol-soluble portion of the product obtained as a result of the mild reaction of a lignin-containing material, such as peat, with aqueous nitric... | 08/02/1988 |
| 4724775 | Method and apparatus for controlling the rate of heat release The subject invention relates to an improved method and apparatus to control the rate of heat release (ROHR) from a reaction zone confined within a chamber, air and fuel having been introduced into said reaction zone to achieve combustion, plural sensors ... | 02/16/1988 |
| 4716844 | Process and device for the nitric oxide-free generation of steam with fossil fuels The generation of heat from the fossil fuels coal, oil and gas is possible nearly free from nitric oxide if the materials are burned in a multi-stage combustion process. The fuel, which, in some cases, contains ash, is admixed with highly heated air and s... | 01/05/1988 |
| 4715300 | Method of disposing of materials by dissolving in acid and then incinerating A method of disposing of acid-dissolvable materials (e.g., rags) which, optionally, are impregnated with a waste material (e.g., solvents, oils, paints, and the like) is described. The first step of the procedure involves the dissolving of the acid-dissol... | 12/29/1987 |
| 4706581 | Fossil fuel furnace reactor A fossil fuel furnace reactor is provided for simulating a continuous processing plant with a batch reactor. An internal reaction vessel contains a batch of shale oil, with the vessel having a relatively thin wall thickness for a heat transfer rate effect... | 11/17/1987 |
| 4706578 | Pulsating incinerator hearth A pulsating hearth for an incinerator wherein the hearth is suspended on a fixed frame for movement in a limited short arc to urge random size particles burning in a pile on the hearth in a predetermined path intermittently across the surface of the heart... | 11/17/1987 |
| 4701125 | Thermal method for destruction of microfilm products A method for the pyrolytic destruction of microfilm products by utilizing hot silicon oil heated to a temperature of about 250° C. Destruction of the various types of microfilm is accomplished within a five minute time frame.... | 10/20/1987 |
| 4681065 | Multibed fluidized bed boiler A multibed fluidized boiler having at least two fluidizable beds, in which conventional fuel, for example coal, is supplied to the first bed and in which the combustion of this fuel takes place in the first bed and in the following bed. An alternative fue... | 07/21/1987 |
| 4676734 | Means and method of optimizing efficiency of furnaces, boilers, combustion ovens and stoves, and the like A means and method for optimizing the efficiency of combustion devices such as furnaces, boilers, ovens, stoves, and the like which automatically tests for and controls the amount of input air utilized by the combustion device to optimize combustion effic... | 06/30/1987 |
| 4661179 | Destruction of waste explosive by hydrogenolysis A method for destroying organic explosives, such as RDX and HMX, by hydroolysis comprises contacting liquors containing waste explosive, produced in the manufacture and processing of the explosives, with hydrogen in the presence of a heterogeneous hydrog... | 04/28/1987 |
| 4641590 | Liquid heating system This invention is a non-fossil fuel fired hot water system which allows a large amount of water or other liquid to be raised to a relatively high temperature, but below the boiling point, in a relatively short period of time. Due to a unique air circulati... | 02/10/1987 |
| 4641589 | Process for the rapid assembly of elements composing a structure A process for the assembly of at least one adjacent pair of component structural elements to form an upright vault structure, each of the elements having a recess, wherein the elements are arranged flat on the ground in the desired relative configuration ... | 02/10/1987 |
| 4611544 | Burner for particulate fuel The present invention relates to a method for combusting solid fuel in the form of particles, preferably fuel pellets, whereby the fuel is combusted in a rotating combustion chamber (1) whereby the speed of the rotating the chamber is varied so that the f... | 09/16/1986 |
| 4543891 | Apparatus and process for heat treatment Apparatus and process is disclosed for heat treating of material in a furnace comprising a fan driven by an electric motor, a load sensor which senses the motor load and a speed controller responsive to the load sensor signal for controlling the speed of ... | 10/01/1985 |
| 4483257 | Method and device for preparing a fluid hydrocarbon product from coal Coal is continuously fed into an extruder and reacts therein at elevated pressure and temperature and possibly in the presence of a catalyst with hydrogen and/or hydrogen containing compounds added to the contents of the extruder on at least one spot situ... | 11/20/1984 |
| 4475469 | Pulsating incinerator hearth A pulsating hearth for an incinerator wherein the hearth is suspended on a fixed frame for movement in a limited short arc to urge random size particles burning in a pile on the hearth in a predetermined path intermittently across the surface of the heart... | 10/09/1984 |
| 4441436 | Solid fuel burning methods and apparatus Methods and apparatus for burning fuel from a supply of solid fuel positioned at one side of a grating light a layer of the solid fuel at the grating to discharge combustible gas. Such discharged gas is drawn through the grating to a side of the grating o... | 04/10/1984 |
| 4440099 | Ceramic fiber modular assemblies for lining furnace walls A ceramic fiber modular assembly for lining walls of furnaces is disclosed. The modular assembly comprises stacked strips of ceramic fibers and a refractory steel anchoring system. The anchoring system comprises two platelike lateral member which protrude... | 04/03/1984 |
| 4422390 | Process and apparatus for collection of gases and particulates in a furnace feed system A process and apparatus are described for collection of gases and particulates which arise during the feeding of an electric furnace, especially in the manufacture of phosphorus. The collection system for the gases and particulates includes novel explosio... | 12/27/1983 |
| 4419942 | Stove A stove in which the fuel is combusted within a primary combustion zone and the products of combustion are transported into a tertiary combustion zone surrounded by a container of water. A bundle of secondary combustion tubes connect the primary and terti... | 12/13/1983 |
| 4411203 | Process for utilizing low calorific value off-gases and simultaneous deodorization thereof A process is disclosed in which any off-gas generated in a wastewater treatment plant, which off-gas has a low calorific (or BTU) value about one-tenth of that of natural gas, and usually even less, may be profitably burned in a multiple hearth furnace if... | 10/25/1983 |
