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Class 71/901 - REFUSE CONDITIONING


Subclass of Class 71 - Chemistry: fertilizers
Definition: Art collection involving the treatment of waste material
No. of patents: 59
Last issue date: 06/24/2003


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NumberTitleIssue Date
4333757Mushroom-growing medium
A cellulosic medium for growing mushrooms is disclosed. A liquid mixture containing sources of soluble carbon and nitrogen is fermented and mixed with cellulosic material. The so-treated cellulosic material is held at a temperature and for a time sufficie...
06/08/1982
4326874Process and apparatus for preparing compostable material
A method and apparatus for preparing compost material on a storage surface in which a layer of material is produced from strips which are placed with their longitudinal edges adjacent one another and wherein at least one additional layer of compost materi...
04/27/1982
4317670Microbiological process for recultivation of industrial refuse heaps
The present invention relates to the environment protection and, more specifically, to microbiological processes for recultivation of industrial refuse heaps. The process of the present invention involves treatment of the heaps with fertilizers resulting ...
03/02/1982
4285719Organic material recycling method and device
A biological toilet and an organic material recycling method in which human liquid and solid waste (i.e., excrement) and cellulosic material and, optionally, kitchen waste (i.e., food and paper scraps and the like kitchen garbage) are deposited into a rec...
08/25/1981
4203755Method of and apparatus for treating waste materials
Disclosed is a method of treating waste material wherein after comminution, the relatively hard material such as glass, brick, and ceramic in finely divided condition together with finely divided soft material is separated and removed to a recirculating c...
05/20/1980
4192848Device for preparation and hygienization of refuse or refuse-clarified sludge mixtures by means of composting
This disclosure is directed to a device for forming a clamp of refuse or refuse-clarified sludge mixtures in reduced and prepared form for composting by thermal rotting by utilizing a pair of transversely spaced upstanding elongated perforated members def...
03/11/1980
4184269Apparatus for aerating organic waste material
In a stationary upright cylindrically shaped container, organic waste materials are passed downwardly from an upper inlet opening to a lower outlet opening. At the same time air is passed in counterflow upwardly through the downwardly flowing body of wast...
01/22/1980
4146382Method of and apparatus for the treatment and purification of refuse, or refuse/sewage sludge mixtures by means of composting
Method and apparatus is disclosed for composting material such as refuse and preferably a mixture of refuse and sewage sludge. The material is piled in such a way that transverse tunnels are provided whereby natural air circulation is obtained into and th...
03/27/1979
4139640Method of effecting the aerobic thermophilic decomposition of organic waste materials
A composting method which produces complete aerobic digestion and pasteurization of animal and other solid organic waste materials is effected in an open top, elongate, composting vessel, for producing an odor free, pasteurized, organic fertilizer, mulch ...
02/13/1979
4125394Compost bin with slideable panels
The invention relates to a method of producing compost from decomposing vegetable matter in a bin which provides access to a lower portion of the decomposing matter for removal thereof without substantially disturbing other matter contained therein. A plu...
11/14/1978
4108609Compost container
A compost container including a base section for receiving fertilizer sap, and an upper compost containing section having multiple compartments for receiving decomposable garbage and waste mounted on the base section. A floor divides the upper section fro...
08/22/1978
4105412Portable compost container
A portable compost container including a base section for receiving fertilizer sap and having outlet means to draw off the sap therefrom. A perforate inner section is supported by the base section into which decomposable garbage and waste is placed, the p...
08/08/1978
4079837System for the separation of fragmented solid waste
A method for the separation of components of solid waste which has been treated by thermal explosive decompression followed by biodegradation (also hereinafter referred to as composting) is presented. The explosive decompression and composting pretreatmen...
03/21/1978
4050917Process of conversion of solid waste into workable material with predetermined characteristics and/or into fertilizers or soil improving agents
A process for composting waste material by controlling the amount of aeration, the pH value of the moisture content and the temperature of the material during composting. The resulting material has a pH value of approximately 7.3 and a moisture content wi...
09/27/1977
4032318Composting mixture
A composting mixture for facilitating the rapid decomposition of organic material to be composted in which there is a relatively small amount of various microorganisms for digesting the material, a relatively small amount of enzymes for breaking down the ...
06/28/1977
4028087Fertilizer processes incorporating scrubbed flue gas sludge byproduct
A process for the production of a granular fertilizer material from sludge materials discharged from scrubbing processes that remove pollutants from boiler flue gases. Waste sludge discharged from flue gas scrubber systems often contain large amounts of c...
06/07/1977
4012219Method for reclaiming variegated wastes
A method for reclaiming variegated wastes such as garbage, sewage, and saline dredging spoils includes the primary step of desalinization of the dredging spoils by draining off the salty water. The garbage is cleaned of non-organic material, and the remai...
03/15/1977
3989499Conversion of refuse into fibrous material
Household, agricultural, forestry, and/or commercial refuse containing a mix of organic substances which respectively decompose rapidly, less rapidly and slowly, is converted into a fibrous material by subjecting the refuse to aerobic decomposition which ...
11/02/1976
3953191Cubed soil conditioner with high water absorptivity and retentivity
Pathogens and weed seeds contained in raw cotton gin waste are destroyed during cubing, which also imparts high water absorptivity to the resulting product. By incorporating fertilizer and/or soil activants with the raw cotton gin waste prior to cubing, a...
04/27/1976
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