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| Number | Title | Issue Date |
| 7892820 | Solar composting assembly A cylindrical composting drum which is 6′, 8′, or 10′ in diameter, extends between 40′ and 140′ in length. The drum is rotated and internal helical blades move the material from inlet end to a screen separator at an outlet end. Partially arcuate solar refl... | 02/22/2011 |
| 7745208 | Angled reaction vessel The invention is an apparatus and a process for treating biomass bearing material including municipal solid waste (MSW). The apparatus includes a reaction vessel held at an angle and configured for rotation and steam injection, with helically arranged internal fligh... | 06/29/2010 |
| 7625749 | Garden composter A garden composter has a longitudinally extending cylindrical drum which is mounted to a support frame and can be rotated relative to the support frame about an axis of rotation of the drum. The drum has at least two load openings formed in a cylindrical wall portio... | 12/01/2009 |
| 7611891 | Garden composter A garden composter for decomposing garden waste in which the composter has a longitudinally extending cylindrical outer drum which is mounted to a support frame. Tumbling means are provided for coupling the drum to the support frame for rotation of the drum relative... | 11/03/2009 |
| 7422894 | Apparatus for use in vermiculture Apparatus for use in a vermiculture plant, the apparatus including a treatment receptacle having a treatment Apparatus for use in a vermiculture plant which includes a treatment receptacle having a treatment chamber therein and a base upon which material within the ... | 09/09/2008 |
| 7371566 | Composting apparatus and method A composting apparatus including an electric motor driven drum. The drum is provided with spaced fins on the inner surface and a supporting shaft that can include air holes to provide air within the confines of the drum. In this instance, tubes with holes are secure... | 05/13/2008 |
| 7347391 | Waste processing apparatus and method The present invention includes an apparatus and method for processing solid waste products. The apparatus comprises a rotatably mounted cylindrical vessel having a first end, a second end and an interior surface, at least one end terminating in a hatch that may be o... | 03/25/2008 |
| 7347933 | Self-cleaning intake screen A self-cleaning screen that automatically cleans both the inside and outside surfaces of the cylindrical screen using only the rotation of the cylindrical screen itself. This self-cleaning ability is accomplished by using a fixed brush on the exterior surface of the... | 03/25/2008 |
| 7285141 | Method and apparatus for fermentation A cement kiln from which its brick lining has been removed, or a rotary dryer for cement production is used as a fermentation treatment apparatus 202 for converting waste matter into compost. The waste matter to be subjected to the fermentation treatment incl... | 10/23/2007 |
| 7168846 | Rotary processing device A rotary product processing device that has a frame made of endplates and at least one sidewall of one piece and unitary construction that encompasses a product processing chamber and product conveyor that is rotatively supported by a plurality of bearings that are ... | 01/30/2007 |
| 7138271 | Continuous composter A continuous composter for continuously processing organic waste material from a generally heterogeneous state into a generally homogenous state. The composter includes a container rotatably mounted on a support frame about its longitudinal axis that defines an inne... | 11/21/2006 |
| 7070319 | Sample rotator with fixed sampling point A device for holding and rotating cylindrical sample containers for use in analytical instrumentation. The device maintains the surface of material in the container at a constant location during rotation by using a series of fixed contact points. The drive wheel is ... | 07/04/2006 |
| 7052902 | Continuously operational biological reactor A continuously operational biological reactor for the aerobic processing of animal waste into chemically free fertilizer includes an inner drum and an outer drum coaxially mounted on a horizontal center shaft with the inner annular surface of each drum including con... | 05/30/2006 |
| 6910801 | Agitating and mixing device The object of the present invention is to provide a device with a simple structure which can uniformly mix bulk materials. A device comprises a rotary shaft 6 to be rotated by a driving means 3, a container outer shell 7 fixed to the rota... | 06/28/2005 |
| 6828132 | Biological fertilizer compositions comprising garbage The present invention provides biological fertilizer compositions that comprise yeast cells and garbage. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals ... | 12/07/2004 |
| 6828131 | Biological fertilizer based on yeasts The present invention provides biological fertilizer compositions that comprise yeast cells that have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals and compounds, decompose complex carbon c... | 12/07/2004 |
| 6800466 | Biological fertilizer compositions comprising sludge The present invention provides biological fertilizer compositions that comprise yeast cells and sludge. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassium minerals a... | 10/05/2004 |
| 6783975 | Rotatable aerating composter The present invention is a device and method for efficient composting of organic matter using a low-cost composting structure and high efficiency methods. A composting container incorporates rigid insulated panels to form an insulated composting container of a gener... | 08/31/2004 |
| 6596272 | Biological fertilizer compositions comprising poultry manure The present invention provides biological fertilizer compositions that comprise yeast cells and poultry manure. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose p... | 07/22/2003 |
| 6555363 | Aerobic reduction reactor A dual chamber aerobic reactor for continuous flow oxidation reduction of organic wastes which includes an elongated rectangular skid, a blending chamber fixed on the skid, and an elongated drum mounted on the skid for rotation relative to the blending ch... | 04/29/2003 |
| 6482627 | Composting device with internal aeration tube A composting device includes a container that has baffles and an aeration port. The container is supported on an axle, for easy rotation. An internal aeration tube has a screen, and protrudes from the aeration port into the interior of the container, reac... | 11/19/2002 |
| 6451589 | Method and apparatus for solids processing 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. Efficien... | 09/17/2002 |
| 6416983 | Biological fertilizer compositions comprising garbage The present invention provides biological fertilizer compositions that comprise yeast cells and garbage. The yeast cells of the invention have an enhanced ability to fix atmospheric nitrogen, decompose phosphorus minerals and compounds, decompose potassiu... | 07/09/2002 |
| 6352855 | In-vessel composting process and apparatus An in-vessel composting apparatus and process for continuous processing of food waste into a two component end product consisting of a bulk organic compost material and a compost-rich, liquid tea. The apparatus consists of a shredder/particle sizer feedin... | 03/05/2002 |
| 6264359 | Rotatable composter A manually rotatable composter 100 including a container 12 having an opening 110 for receiving compostable material. The container includes an outer surface having end sections attached thereto and a plurality of steps 20 capable of accommodating a hand ... | 07/24/2001 |
| 6228635 | Portable cell growth cassette for use in maintaining and growing biological cells A portable cassette is disclosed, for receiving, maintaining and growing biological cells ex vivo, without exposing the cells to the external environment. The portable cassette is used in combination with a succession of instruments, to inoculate the cass... | 05/08/2001 |
| 6132601 | Ecological apparatus for processing sewage An improved, multipass, horizontal rotating continuous feed digester provides an efficient aerobic digestion process for sewage, and which also reduces pollution. The improved digester promotes the ecology in that the gas and air feed and exhaust means ar... | 10/17/2000 |
| 6123747 | Apparatus and method for manufacturing barnyard manure using sewage and sludge An apparatus and method for manufacturing barnyard manure using sewage and night-soil sludge for use in farmlands and flower gardens so as to prevent secondary contamination of the environment quickly, at a low cost, and with high efficiency.... | 09/26/2000 |
| 6112338 | Mixing drum and composting toilet A mixing drum for a composting toilet has an auger for transporting mixed material from a back end of the mixing drum to the front end of the mixing drum in order to increase the residence time of material mixed in the drum. The auger is enclosed in an au... | 09/05/2000 |
| 6110733 | Rotary composter A rotary composter having a rotatably mounted cylindrical vessel is divided into a plurality of compartments, including a first infeed compartment, a last discharge compartment, and a plurality of intermediate digesting compartments, by baffles. The baffl... | 08/29/2000 |
| 6071740 | Vessel composting process and apparatus An in-vessel composting apparatus for processing food waste and associated organic packaging materials, consisting of a shredder/particle size, and a horizontal drum with three chambers with connecting ports of sequentially increasing diameter, incrementa... | 06/06/2000 |
| 6001641 | Control system for a rotary composter A rotary composter is provided with a control system that is operable to control the operation of a rotary composter equipped with a variable rate air flow mechanisms and a variable speed drive for rotating the composter vessel. The control system include... | 12/14/1999 |
| 5981270 | Bio-catalytic oxidation reactor The present invention relates to a bio-catalytic oxidation reactor for remediation of organic wastes and more particularly to a bio-reactor for optimizing the process of oxidation reduction, or composting, of organic wastes or by-products. The reactor inc... | 11/09/1999 |
| 5945332 | Cylindrical sieving and composting device and a method using the device Method of continuous treatment and purification of biologically decomposable waste and liquid in a rotatably elongated perforated cylinder longitudinally divided into a dewatering and wet composting unit, a central dewatering unit and a dry composting uni... | 08/31/1999 |
| 5925561 | Control system for a rotary composter A rotary composter is provided with a control system that is operable to control the operation of a rotary composter equipped with a variable rate air flow mechanisms and a variable speed drive for rotating the composter vessel. The control system include... | 07/20/1999 |
| 5899803 | Mobile poultry carcass composter and spreader A method of and apparatus for composting poultry carcasses, comprising a two wheel utility trailer with a rotary drum composter mounted for rotation about a horizontal axis above and parallel to the wheel axle of the trailer. The drum may be turned, manua... | 05/04/1999 |
| 5843769 | Double stage drumshaped composting device The invention relates to a two-stage composter drum which includes an inner, rotatably mounted drum and an insulated, stationary, outer drum. Waste is introduced into an opening at one end of the inner drum where it is partially degraded and then discharg... | 12/01/1998 |
| 5776768 | Cold weather composting apparatus A rotary composter having a rotatably mounted cylindrical vessel divided by baffles into a plurality of compartments, including a first infeed compartment, a last discharge compartment, and a plurality of intermediate digesting compartments. The baffles b... | 07/07/1998 |
| 5759850 | Air diffuser for rotary composters An air diffuser apparatus is provided for a rotary composter in which the air diffuser is constructed in a conical shape to provide a large area for the dissipation of air into the discharge end of the composter vessel. The surface of the air diffuser is ... | 06/02/1998 |
| 5661031 | Apparatus and method for processing organic refuse An apparatus for the composting of fermentable organic refuse includes a rotating digester tube with a feed auger continuously providing refuse to the tube and a number of discharge outlets at the distal end of the tube. A number of agitating vanes extend... | 08/26/1997 |
