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| Number | Title | Issue Date |
| 7347945 | Method and an installation for separating out multiphase effluents The invention relates to a method and to an installation for separating out an effluent made up of a multi-phase fluid mixture. According to the invention, said installation includes gravity separator means whose geometrical separation characteristics can be adjuste... | 03/25/2008 |
| 7284287 | Dual purpose lavatory Dual purpose lavatory units are disclosed. In one embodiment, a lavatory unit includes a first section, a second section, and a divider wall separating the first and second sections. The first section includes a commode and the second section includes at least one o... | 10/23/2007 |
| 7127748 | Incinerating commode An improved incinerating commode for the disposal of human waste through injection of a combustible fluid into the chamber where the waste is incinerated, separation of the urine component from the fecal component of human waste, and use of the urine component mixed... | 10/31/2006 |
| 7111332 | Waterless urinals which can be flushed A waterless urinal that can be flushed with liquid consists of a urinal with a flushing liquid and urine separator and a flushing liquid recycling system; the flushing liquid and urine separator having three flow barriers which can guide urine to down-and-up type fl... | 09/26/2006 |
| 7031456 | Method, device and system for output impedance calibration that invariably maximizes hybrid performance A hybrid system with adjustable on-chip components and a method calibrating the same invariably maximizes hybrid performance despite of on- and off-chip component mismatches and imperfections. The hybrid system has a main DAC, a replica DAC, and three or four resist... | 04/18/2006 |
| 7014778 | Device and method for treating waste product A method and device are provided for treating a waste water waste-product mixture from a toilet by coupling the toilet to a waste product mixture to a waste product holding tank, connecting the tank with a vacuum container having a stirring member for breaking up th... | 03/21/2006 |
| 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 |
| 6959723 | Oil sealant-preserving drain odor trap Improvements in retention of the oily liquid sealant (20) in a oil-sealed odor trap (10B-10M), for drain applications such as a waterless urinal or anti-evaporation floor drain, are accomplished by minimizing turbulence in the oil sealant, such ... | 11/01/2005 |
| 6766822 | Method of water distribution and apparatus therefor Water is supplied to a water user outlet facility by maintaining a tappable flow of water in a recirculating loop that includes a pump such as a centrifugal pump driven by a substantially constant speed motor to establish the flow, a water delivery path that extends... | 07/27/2004 |
| 6523186 | 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... | 02/25/2003 |
| 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 |
| 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 |
| 6143185 | Treatment system for aircraft toilet waste water A system is described for the treatment of aircraft toilet waste water to permit discharge of the treated water to the atmosphere during flight, utilizing the pressure differential that is created between the aircraft's cabin pressure and the external atm... | 11/07/2000 |
| 6081935 | Technologically advanced portable toilet and method of supplying purifying agent thereto A technologically advanced portable toilet has a purifying agent producing/supplying device built into a periphery of a toilet bowl. Due to an ozone producing mechanism, a tank assembly, and a bubble generating tank, which are provided by this purifying a... | 07/04/2000 |
| 6066293 | Method using 5-chloro-2-(2,4-dichlorophenoxy)phenol for deodorizing toilets A method for deodorizing toilets, and in particular the flushing fluid in a closed toilet system, comprises the use of phospholipids and 5-chloro-2-(2,4-dichlorophenoxy)phenol in the fluid to kill or inhibit odor-causing microbes.... | 05/23/2000 |
| 5913610 | Portable flush toilet and enclosure A portable flush toilet and enclosure comprises an operating mode and a storage mode. In the operating mode, a flush toilet inside a personnel enclosure or cabana is connected to a first waste tank external to the enclosure. A second waste tank external t... | 06/22/1999 |
| 5711038 | Toilet system A toilet system comprising a toilet including a flushing device and a toilet bowl, further comprising a faecal tank for receiving sewage from the toilet, the faecal tank including a separating device for separating liquid and solid components of the sewag... | 01/27/1998 |
| 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 |
| 5035011 | Self draining sanitation system A drain valve is provided for connection to a water supply line for draining water in a vacuum flush aircraft sanitation system. The valve comprises a housing having a fluid inlet and a fluid outlet. The housing also includes a pressure chamber with a dia... | 07/30/1991 |
| 4947491 | Pump A pump comprising a flexible member defining at least part of a variable volume pumping chamber, an inlet valve to permit of liquid to enter the chamber thereby and an outlet valve to permit of liquid to leave the chamber thereby, and an operating member ... | 08/14/1990 |
| 4734943 | Waste disposal system A self-contained compact pedestal sized marine head comprised of a conventional marine or household size toilet bowl connected to a base which houses an electric motor drivingly connected to a self priming fluid pump. The pump has a single suction water i... | 04/05/1988 |
| 4713847 | Vacuum toilet system A vacuum toilet system comprises a waste-receiving bowl having an outlet, a sewer pipe that can be placed at a pressure that is lower than that in the interior of the waste-receiving bowl, and a discharge valve connected between the sewer pipe and the out... | 12/22/1987 |
| 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 |
| 4547917 | Water closet system having a liquid separator A water closet system comprising a lavatory which is connected to a collection tank or mouldering chamber (2) over a discharge piping (3), and a liquid separator (4) interconnected in said discharge piping (3) adjacent and above the tank or chamber (2). T... | 10/22/1985 |
| 4519103 | Self-contained sewage waste disposal system A self-contained sewage waste disposal system including a housing structure and a toilet bowl adapted to receive human waste and fluid for diluting the waste, transporting the waste and rinsing the bowl. A removable filter cassette is in the housing in co... | 05/28/1985 |
| 4454613 | Self-contained, compact towable facility having maximized balanced water storage, drain water collection and waste water isolation systems A self-contained, compact towable facility having sanitary components and electrical, water and gas distribution systems with minimum weight, optimum balance and a maximum volume of water adapted to be stored therein and including a frame having an axle a... | 06/19/1984 |
| 4433443 | Self-contained flow through sewage waste disposal system A self-contained sewage waste disposal system including a housing structure and a toilet bowl adapted to receive human waste and fluid for diluting the waste, transporting the waste and rinsing the bowl. A removable filter cassette is in the housing in co... | 02/28/1984 |
| 4393524 | Self-contained sewage waste disposal system A self-contained sewage waste disposal system is provided including a housing structure and a toilet bowl adapted to receive human waste and fluid for diluting the waste, transporting the waste and rinsing the bowl is provided in the housing structure. A ... | 07/19/1983 |
| 4332040 | Self-contained, compact towable facility having maximized balanced water storage drain water collection and waste water isolation systems A self-contained, compact towable facility having sanitary components and electrical, water and gas distribution systems with minimum weight, optimum balance and a maximum volume of water adapted to be stored therein and including a frame having an axle a... | 06/01/1982 |
| 4313233 | Waterless flush toilet system A waterless flush toilet system comprising a toilet and a gravity fed waste holding tank. The system utilizes a recirculating nonaqueous flushing fluid which is stored within the holding tank. The fluid, which is lighter than the waste material and insolu... | 02/02/1982 |
| 4222130 | Waterless flush toilet system A waterless flush toilet system comprising at least one toilet and a gravity fed waste holding tank. The system utilizes a recirculating nonaqueous flushing fluid which is stored within the holding tank. The fluid, which is lighter than the waste material... | 09/16/1980 |
| 4202061 | Lavatory wastewater disposal system for aircraft In an airplane having a pressurized passenger section, with a lavatory sink. The waste water from the lavatory sink is directed either to a toilet tank where it is stored, or to a drain mast line where it is discharged overboard during in-flight operation... | 05/13/1980 |
| 4170797 | Apparatus for treating waste matter The disclosure relates to a method and apparatus for treating waste matter in aerobic digestion apparatuses, such as closets. In the method a frother means is disposed in the circulation path of the liquid between the pump and the receptacle means, the fr... | 10/16/1979 |
| 4162549 | Filtering elements A back-washable filtering element, especially for use with pumps, and more particularly for use with pumps that handle liquids with solid material entrained therein, consists of a helical coil spring disposed in a flow path for the liquid to be filtered. ... | 07/31/1979 |
| 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 |
| 4114203 | Water closet tank drain valve A self-contained, recirculating flush liquid, type of water closet for passenger aircraft; wherein, the means for periodically draining the contents of the waste holding tank, comprises an inverted U-shaped tube which is separated at the bend of the U-sha... | 09/19/1978 |
| 4083067 | Recirculating toilet and method A recirculating toilet having a bowl and a storage chamber, and recirculating means for recirculating liquid from the storage chamber through the bowl and back into the storage chamber. Filter means is interposed between the storage chamber and the recirc... | 04/11/1978 |
