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| Number | Title | Issue Date |
| 7334272 | Flushing controlling mechanism A flushing controlling mechanism includes a toilet bowl having a trap, a room, a hollow cylinder, a first piston, an inlet, an outlet and a first opening. The room selectively communicates with the trap via a first waste pipe, and a second waste pipe alternately com... | 02/26/2008 |
| 7272864 | Flushing flow distributor for a flushing cistern, flushing system having a flushing flow distributor of this type and toilet system having a flushing flow distributor The flushing flow distributor has a first channel (21) which is to be connected to a discharge (45) of the flushing cistern (4), and a second and a third channel (24, 25, 69). The second channel (24) and the third channel (25 | 09/25/2007 |
| 7207073 | Vacuum assisted toilet A toilet is provided with a vacuum to assist in the flushing process. The vacuum is provided downstream between the toilet bowl and a waste outlet to draw the waste contents of the toilet bowl and out of the toilet bowl to the waste outlet under pressure. A controll... | 04/24/2007 |
| 7171701 | Pressure-flushing device The pressure-flushing device comprises a pressure vessel (2), which, for receiving flushing water, has a pressure chamber (D). The pressure chamber (D) can be filled with flushing water by means of an inlet valve (7). The pressure chamber (D) consists ... | 02/06/2007 |
| 7137156 | Portable Lavatory A portable lavatory, which is easily loaded into a freight box of a truck and is maintained in a stable loaded state in the freight box during transportation, is disclosed. In the portable lavatory (10), the capacities of both a fresh water tank (20) a... | 11/21/2006 |
| 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 |
| 6934976 | Toilet flusher with novel valves and controls A tank-type flusher includes an intake valve, i.e., a fill valve, a diaphragm-operated flush valve, and a pressure control mechanism. The intake valve is connected to an external water source and is constructed to close water flow to a water storage tank at about a ... | 08/30/2005 |
| 6550076 | Valve assembly for a pressure flush system A pressure flush system for use within a toilet tank includes a pressure flush tank having an inlet port and a discharge port, an air inlet, and a valve assembly. The valve assembly includes a generally cylindrical housing, a water inlet in fluid communic... | 04/22/2003 |
| 6467101 | Toilet flushing and cleaning device A toilet flushing and cleaning device includes a reservoir with a cylinder and a mixing tube disposed therein. The cylinder communicates with a water source. A plunger is slidably disposed in the cylinder. A plurality of spray nozzles communicate with the... | 10/22/2002 |
| 6401270 | Toilet apparatus An embodiment provides a toilet having a toilet pan 11, an outlet pipe 78 for the contents of the pan, a closeable lid 21 on the pan forming with the pan a waste receptacle chamber, a seal 22 between the lid 21 and the pan 11, means 12 for introducing wat... | 06/11/2002 |
| 6360378 | Pressurized water closet flushing system A pressurized water closet operating system comprises an accumulator vessel for storing water and air under pressure. A flush valve controls the discharge of water from the vessel and comprises a cylinder having a lower end in fluid communication with the... | 03/26/2002 |
| 6263519 | Automatic tank-type flusher Pressure from the input water line (26) holds a toilet's flush-valve member (12) in its seat so as to prevent water in the toilet tank (16) from flowing through flush ports (18) and a flush conduit (22) into the toilet bowl or urinal. To release water thr... | 07/24/2001 |
| 6029288 | Power flush tank with improved air inducer A pressure flushing system for use in a toilet tank includes a housing with a water inlet conduit, an air and water inlet assembly connected to the conduit and to the housing, and a water outlet for the housing. There is a flush valve within the housing f... | 02/29/2000 |
| 5596772 | Toilet flushing system with multi-diaphragm storage container having three fluid receiving chambers A toilet flushing system includes a fresh water feed, a fluid storage container connected to the fresh water feed, and a supply line coupled to the storage container and a toilet. The fluid storage container has a container casing and first and second sep... | 01/28/1997 |
| 5553333 | Pressurized water closet flushing system An apparatus for flushing a water closet bowl includes a pressurizable reservoir, within which is formed a primary and a secondary pressure zone. Formed at the bottom of the reservoir is an exit aperture through which the pressurized fluid is discharged i... | 09/10/1996 |
| 5487193 | Enhanced operation toilet A water saver toilet is provided, of the type that applies a vacuum to the toilet bowl outlet to assist flushing, which effectively uses the vacuum and which can be of low height. The toilet bowl outlet includes upper and lower trap devices (44, 50 in FIG... | 01/30/1996 |
| 5435019 | Pressurized toilet flushing assembly A pressurized flushing assembly mounted in the tank of a toilet for providing a rapid and thorough flushing of the toilet bowl with a low volume of water. The assembly includes a water storage tank defining an outlet aperture communicating with the cister... | 07/25/1995 |
| 5406652 | Toilet water source A water source (12, FIG. 1) is provided for mounting on a toilet housing (32) rearward of the toilet bowl (18), which has a small rearward-to-forward depth (D) and low height (H), and which enables close control of the flow of water and any vacuum to the ... | 04/18/1995 |
| 5363513 | Pressurized flushing toilet A pressurizable flushing toilet includes a pressurizable water container having a movable stopper closing a water discharge outlet in the container. A controller energizes a solenoid to move the stopper between an outlet closing position and an outlet ope... | 11/15/1994 |
| 5241711 | Pressurized toilet flushing assembly A pressurized flushing assembly mounted in the tank of a toilet for providing a rapid and thorough flushing of the toilet bowl with a low volume of water. The assembly includes a water storage tank defining an outlet aperture communicating with the cister... | 09/07/1993 |
| 5027444 | Device providing automatic delivery of toilet bowl freshener A toilet bowl freshening device for automatically delivering toilet bowl freshener to a toilet bowl after each flush. The device is used in conjuction with the water forced out of a hydraulic actuation system after flushing has occurred. The water activat... | 07/02/1991 |
| 4999859 | W.C. toilets with low consumption of rinsing water This invention relates to a toilet system of the type with direct evacuation and rinsing without flushing effect nor siphon, constituted by a bowl of generally truncated form comprising at the level of its small base, in lower position, a trap controlled ... | 03/19/1991 |
| 4819279 | Vacuum toilet system A vacuum toilet system for a vehicle (such as a boat) has numerous advantages. A single pump with valves on opposite sides of it may be used as both the vacuum source and for discharging sewage from a holding tank. Two sets of multiple heads may be select... | 04/11/1989 |
| 4707868 | Toilet flushing apparatus A diaphragm valve for a toilet flushing mechanism, and a hydraulic flushing assembly using the valve, control water mains pressure for the pressure flushing of toilets with small quantities of water. Water mains pressure is used to retain a flexible diaph... | 11/24/1987 |
| 4521925 | Nonrecirculating vacuum flush toilet system utilizing fresh water A lavatory system suitable for use on a commercial passenger aircraft includes at least one toilet bowl for receiving waste and a waste-holding tank in fluid communication with said toilet bowl for receiving waste from said toilet bowl. The waste-holding ... | 06/11/1985 |
| 4407025 | Water-conserving toilet A water-conserving toilet is disclosed and includes a bowl for receiving waste and a waste outlet extending laterally from the bowl and defining a first, shallow trap arranged so that a relatively shallow body of liquid is normally retained in the bottom ... | 10/04/1983 |
| 4310934 | Water-conserving toilet A water-conserving toilet is disclosed and includes a bowl for receiving waste and a waste outlet extending laterally from the bowl and defining a first, shallow trap arranged so that a relatively shallow body of liquid is normally retained in the bottom ... | 01/19/1982 |
| 4232409 | Pneumatic assisted flushing apparatus for toilets Presented is an apparatus for use in conjunction with a toilet of the flush-type which utilizes a charge of compressed air in conjunction with a low volume of water to discharge waste products from a toilet fixture.... | 11/11/1980 |
| 4183108 | Flush toilet system A water reservoir tank storing a primary body of water for release to a toilet bowl for flushing is associated with a pressure tank that stores a minor amount of water at a pressure considerably higher than that of the primary body and is discharged durin... | 01/15/1980 |
| 4143433 | Water closet A water closet of the tank type in which air is entrapped in the tank creating pressure to assist in expelling flushing water to a bowl during the flushing cycle. The flushing cycle is activated by a disc valve and piston connected to a domestic water sup... | 03/13/1979 |
| 4142262 | Flush toilet system A water reservoir tank storing a primary body of water for release to a toilet bowl for flushing houses a pressure tank that stores a minor amount of water at a pressure considerably higher than that of the primary body and is discharged during flushing t... | 03/06/1979 |
| 4115883 | Diaphragm activated toilet A toilet for conserving water, the toilet having a water storage chamber which includes an expandable diaphragm wall that on filling under household water supply pressure conforms to a wall of a complimentary air chamber separated from the storage compart... | 09/26/1978 |
| 4075718 | Nozzle flush system A plumbing system for flushing a toilet bowl is provided having one or more high pressure nozzles disposed about the rim of the bowl so that the discharge from the nozzles will impinge upon all of the interior surfaces of the bowl; the nozzles are each co... | 02/28/1978 |
| 4060857 | Water flushing device A pressurized-tank water flushing device has a hydraulically controlled flushing valve operated by a control valve for selectively applying a pressure differential to an actuating piston, one face of which is permanently subjected to the tank pressure, an... | 12/06/1977 |
