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| Number | Title | Issue Date |
| 7211187 | Mobile or stationary modular self-contained dehydration toilet, dehydration engine, and gray water recovery system A compact dehydration engine and method for treating human waste and gray water residual electro-coagulants that includes a heated waste dehydration chamber that has low energy consumption and low water consumption in use. The system can be employed in stationary or... | 05/01/2007 |
| 7203976 | Floor level waste pumping system for toilets A floor level pumping system, that is non-disruptive to the existing flooring, including a conventional rear outlet toilet, a floor level tank for receiving waste and fluid from the outlet of the toilet including a tank chamber containing a designated area with a se... | 04/17/2007 |
| 7055183 | Method and apparatus for cleaning and disinfecting a toilet system in a transport vehicle such as a passenger aircraft Water, preferably fresh potable water, is electrochemically, e.g. electrolytically, treated to achieve disinfectant properties. The electrochemically treated water is sprayed onto the toilet seat and directed into the toilet bowl for each flush cycle of an aircraft ... | 06/06/2006 |
| 7005077 | Shipboard human waste treatment for removing solids A method and system for separating human waste solids from liquid for a shipboard toilet system that allows for the separation of solid waste, compaction of the solid waste and storage of solid waste. Wastes are deposited into a shipboard toilet system that uses vac... | 02/28/2006 |
| 6969018 | Sanitary shredder A sanitary shredder includes at least a channel feeding water into a caisson (1), an electric motor whereof the axis has at its end a rotor pump (5) with blades (6), and shredding elements opposite the shredding chamber (3) provided with ... | 11/29/2005 |
| 6519787 | Toilet water recycling system A water treatment and recycling system is provided having an aeration chamber, a reaction chamber, a water tank, and a plurality of pumps. The water tank houses the treated water and is the supply source for supplying water to different water needs. The f... | 02/18/2003 |
| 6496988 | Compact recycling electric dehydration toilet A self-contained toilet that has no water consumption and does not use chemicals. A toilet bowl cleaned by combining compressed air and liquid through jets to reduce flush volume. The flush liquid supply reclaimed through distillation. The dehydration cha... | 12/24/2002 |
| 6412121 | Thermo-evaporation type toilet system In fuller detail, the present invention relates to a thermo-evaporative type toilet system designed so that the excrement collected from the toilet is treated with effective microorganisms and heated for evaporation to generate vapors, with the stench bei... | 07/02/2002 |
| 6258594 | Human waste treatment system A waste disposal system separates human wastes into solid and liquid parts for subsequent treatment such as microbial decomposition treatment and/or activated sludge treatment. The system includes an outer box. A cylindrical member made of a water-permeab... | 07/10/2001 |
| 6178566 | Transportable waste collection and treatment toilet system A toilet housing and waste collection and treatment system purify wastewater to a satisfactory level. When solid wastes are conveyed from individual toilets (31)-(33) into an active circulation chamber (16) in a toilet housing (10), the solid wastes are s... | 01/30/2001 |
| 6106703 | Waste treatment system A waste treatment system for use on a vehicle having an exhaust manifold, the waste treatment system comprising a holding tank for receiving waste from a head, a galley, a shower or a bilge tank. At least one macerator is connected to the holding tank suc... | 08/22/2000 |
| 5891330 | Waste treatment system A system for treating human waste in remote or portable toilet facilities, including a holding tank that stores waste; a heat reservoir that receives waste from the holding tank, heats the waste to kill fecal coliform bacteria therein present, and routes ... | 04/06/1999 |
| 5614411 | Self contained decontamination system Water borne human wastes contained in a holding tank of a self contained convenience facility are decomposed and thus decontaminated as well as deodorized by aqueous live bacteria delivered in a controlled laminar flow through flexible hose controlled by ... | 03/25/1997 |
| 5080797 | Method of disposing of fecal matter from toilet systems in fast moving vehicles A method and apparatus for disposing of fecal matter from a toilet system in a fast moving vehicle during travel of the vehicle. The liquid components of the fecal matter are dehydrated to recover water. The water is disposed of by either discharging the ... | 01/14/1992 |
| 5022098 | Automatic, self-cleaning, water saving, toilet system A toilet system providing improved convenience, efficiency and sanitation with automatic operation. Basically, the toilet includes a bowl, a seat partially covering the bowl opening and a lid movable between a raised position exposing the seat and a lower... | 06/11/1991 |
| 4672689 | Water saving toilet system A toilet system comprising a bowl, a valve for supplying flush water to the bowl, an attrition chamber to which the effluent in the bowl is transferred by a motor-driven discharge pump connected to the attrition chamber for inducting the effluent from the... | 06/16/1987 |
| 4616035 | Pesticidally active novel N-oxalyl derivatives of N-methylcarbamates Combating pests such as insects, arachnids and nematodes with novel N-oxalyl-N-methylcarbamic acid esters of the formula ##STR1## in which R represents alkyl, alkenyl, alkinyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenalkylthio, halog... | 10/07/1986 |
| 4615810 | Method for treating human waste by solidification A method and apparatus for treating human waste by solidification. The method performed by the disclosed embodiment comprises receiving the waste in a toilet or receptacle, liquidizing the waste with a macerating pump, adding to the liquidized waste a sol... | 10/07/1986 |
| 4516281 | Sewage treatment device A sewage treatment device [10] is disclosed for use with a toilet [12] having a water flush input [16] and a sewage output [22]. The invention incorporates a treatment tank [56] connected for receiving the sewage from the sewage output [22] of the toilet.... | 05/14/1985 |
| 4377874 | Bypass valve for a toilet system In a toilet system wherein the bowl is evacuated by a pump, the intake side of which is connected by a first conductor to the bowl and the discharge side of which is connected by a second conductor to a waste pipe, a bypass conductor connecting the first ... | 03/29/1983 |
| 4342568 | Refuse disposal apparatus Disclosed is a refuse disposal apparatus in which refuse fed into a fermenting vat can be disposed by subjecting the refuse to methane fermentation, the fermenting vat including a heating device for heating the refuse in the fermenting vat to a proper tem... | 08/03/1982 |
| 4246665 | Non-polluting toilet system Apparatus for disposing of human waste comprising in combination a bowl, a treating chamber connected to the bowl for receiving the contents of the bowl together with a predetermined quantity of flush water, a macerator in the treating chamber for effecti... | 01/27/1981 |
| 4131959 | Non-polluting toilet system A toilet system capable of rendering the effluent innocuous and reducing the solid matter therein to microparticle size comprising a reversible, motor-driven pump and a two-position valve operable, on the one hand, for taking water into the system for flu... | 01/02/1979 |
| 4117560 | Apparatus for treating fluids and treating tablets therefor An apparatus for treating fluids especially fluids in a recirculating toilet system wherein recycled flush water is chemically treated with a sanitizing material just prior to delivery to the toilet bowl. This system is designed so that the recycled flush... | 10/03/1978 |
| 4115876 | Self-contained recirculating toilet system This disclosure relates to a self-contained recirculating toilet system which includes a toilet bowl having a built-in flush pump and a waste-discharge macerator pump with the discharge of the macerator pump being connected to a holding tank unit for deli... | 09/26/1978 |
| 4052758 | Human waste disposal system A human waste disposal system including an improved toilet, a transfer system and an intermediate sealing means. The toilet includes a bowl with flushing nozzles that use a minimum amount of fluid or a mixture of fluid as a flushing agent. The bowl has a ... | 10/11/1977 |
| 4012322 | Macerator-sterilizer sewage treatment system The macerator-sterilizer sewage treatment system, that is useful in an overall toilet system to collect, treat and discharge toilet wastes, comprises: macerator/transfer pump means to receive flushed human waste from toilets and urinals; a collection tank... | 03/15/1977 |
| 3962044 | Heat treating excreta and products thereof Solid animal excreta, such as solid livestock excreta, solid human excreta and solid poultry excreta, is converted to useful products by particulating the excreta and heat treating it in a closed heating zone at about 200°C to about 1000°C for a time su... | 06/08/1976 |
| 3956126 | Apparatus for disposing of organic waste materials An apparatus for efficiently disposing of combustible organic waste materials, such as organic industrial and household wastes, comprising a macerator and an evaporation unit where liquids are removed from the waste to leave a concentrated organic residue... | 05/11/1976 |
| 3950249 | Sanitary waste treatment plant A self-contained toilet and sanitary waste treatment plant that has a delivery system, a biological treatment system and a water recovery system. The delivery system includes a vacuum-type flush toilet adapted to receive flush water from the water recover... | 04/13/1976 |
| 3939499 | Recirculating electrolytic toilet An electrolysis unit is used in conjunction with the holding tank of a self-contained recirculating toilet system. The liquid and solid waster material is macerated and recirculated by an external macerator pump as a fine slurry. The slurry material from ... | 02/24/1976 |
| 3936888 | Effluent disposal system An effluent disposal system for use in conjunction with a high temperature heat source in which waste material is macerate and meterably discharged into the source of heat as a function of heat source operating conditions such as pressure or temperature, ... | 02/10/1976 |
