31
Madeleine Tetrault, Denys Grandbois: Process and system for treatment of pig and swine manure for environmental enhancement. Purin Pur, Malin Haley DiMaggio & Crosby PA, March 23, 1999: US05885461 (29 worldwide citation)

A low cost efficient method and system for treating animal waste and in particular pig and swine solid and liquid manure to allow removable of undesirable odors and return of sludge and liquid safely to the environment to eliminate or reduce pollution. The method and system include collecting the ma ...


32
Stein Hauge: Outdoor surface compositions. Seed Berry Vernon & Baynham, February 14, 1978: US04073753 (29 worldwide citation)

An outdoor surface composition for surfacing outdoor playing areas or other utility areas comprises a mixture of particulate reclaimed rubber and inorganic particulate solids, such as sand, mixed together and compacted in a particular weight ratio, with each of the components having a designated par ...


33
Stephen L Kretschmer: Apparatus for agitating and pumping a liquid slurry. A O Smith Harvestore Products, Andrus Sceales Starke & Sawall, November 22, 1983: US04416549 (28 worldwide citation)

An apparatus for agitating and pumping a liquid slurry, such as liquid manure slurry. The apparatus includes a pump which is adapted to be positioned within the lower end of a pit that contains the slurry, and the pump is operably connected to a motor which is located above the pit. The motor-pump u ...


34
Process of working up phosphates and other reducible compounds. Hermann Mehner, July 1, 1925: GB235924-A (28 worldwide citation)

Phosphates, silicates, and other compounds reduced by means of carbon at elevated temperature are decomposed by heating with carbon in the absence of air, with or without the addition of reagents such as silica or iron, and the combustible volatile reaction products are burned in the reaction zone t ...


35
David Reiner: Hauling device for leaves and other materials. Renner Otto Boisselle & Sklar, April 14, 1992: US05104133 (27 worldwide citation)

A hauling device for leaves, litter, and other materials such as stone, earth, mulch, manure and tree stumps comprises a tarpaulin with flexible support members and a rope including a unique assembly whereby the operator may secure and haul the collected material by pulling a loop of the rope. The t ...


36
Stephen W Dvorak: Method and apparatus for solids processing. GHD, Michael Best & Friedrich, September 2, 2003: US06613562 (27 worldwide citation)

This invention provides a waste-processing system capable of processing high-solids wastes such as manure. This invention provides a compact U-shaped digester that allows for recycling of activated sludge to improve the efficiency of the process. Efficiency is also improved through a sludge heating ...


37
Istvan Bartha, Sandor Heredy: Method and system for the treatment and utilization of waste products. Kane Dalsimer Sullivan Kurucz Levy Eisele & Richard, June 18, 1996: US05527464 (26 worldwide citation)

A method of handling the waste from a community begins with the collection of raw sewage and the separate collection of other bio-degradable solids. The raw sewage is separated into a liquid component and a sludge component. The sludge component of the sewage is combined with the bio-degradable soli ...


38
Vincent E Rohlf, Karl R Kratz, Richard F Hucek: Liquid manure system. The Calumet Co, Andrus Sceales Starke & Sawall, March 29, 1977: US04014271 (26 worldwide citation)

An apparatus for distributing liquid manure including a mobile spreader tank to contain the liquid manure and adapted to be drawn by a tractor. A frame is supported by the three-point hitch of the tractor, and a series of soil working elements are mounted on the frame and are adapted to penetrate th ...


39
Robert J Mackin, Thomas A Menke: Animal production building and methods of producing animals and processing animal waste. EnviroLogic, Lundy and Associates, September 16, 1997: US05666905 (26 worldwide citation)

An animal production building which has animal living quarters with a floor at least partially slatted with a manure deposition area beneath the slatted floor, a ventilation system which provides air motion through the animal quarters downwardly into the manure deposition area and through the manure ...


40
Norman A Bauer: Fertilizer distribution head and dispensing chute. Chem Equipment Co, Haugen and Nikolai, December 21, 1993: US05271567 (25 worldwide citation)

A liquid manure dispensing apparatus including a distribution head for breaking down larger clumps of liquid manure and uniformly distributing it to earth working members having an integral delivery chute. The distribution head comprises an impeller journaled for rotation in a chamber for preventing ...



Click the thumbnails below to visualize the patent trend.