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| Number | Title | Issue Date |
| 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 |
| 4306321 | Boat and caravan closet The present invention refers to a closet combined with a sewage tank (7). The closet comprises a stand enclosing the sewage tank (7) and supporting a chair (1) composed of closet bowl (3), closet seat (4) and closet cover (5). A flushing water tank (18) i... | 12/22/1981 |
| 4286342 | Toilet installation A toilet installation is disclosed which is especially suited for pleasure boats. A discharge tank is disposed under a toilet fixture and connected with it through an inlet orifice. A flexible obturating member comprising a flexible flap member and a down... | 09/01/1981 |
| 4271539 | Quick-change toilet system A quick-change toilet system capable of being readily converted between a non-flushing toilet and a recirculating flushing toilet is disclosed. The system includes a waste holding tank with an open frame member mounted on the top thereof. The system utili... | 06/09/1981 |
| 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 |
| 4242765 | Water saving commode A waste disposal system including a toilet receptacle in controlled fluid communication with a holding tank. Just enough fluid is released into the toilet to flush wastes into the holding tank. The holding tank accumulates wastes, flush fluid and waste fl... | 01/06/1981 |
| 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 |
| 4217668 | Portable toilet A portable toilet of the type having two vertically stacked sections, the lower section (12) being a holding tank, and the upper section (14) including a toilet bowl (22), a water tank (26) for storage of water for flush purposes, and flush apparatus (32)... | 08/19/1980 |
| 4214324 | Human waste storage and disposal systems for railroads or the like A human waste storage and disposal system for railroads including a toilet bowl, a discharge outlet connected to the bowl, a flushing fluid inlet for flushing the bowl and a vertically disposed receiver coupled to the outlet for receiving the contents dis... | 07/29/1980 |
| 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 |
| 4199828 | Vacuum toilet apparatus for mobile units The disclosure relates to a vacuum toilet apparatus for mobile units, for example trains or buses, having at least one toilet stool from which faeces etc. are conveyed by means of a vacuum to a storage container by the intermediary of a conduit system. A ... | 04/29/1980 |
| 4185337 | Portable toilet with improved flush apparatus A portable sanitation unit is disclosed of the type having two vertically stacked sections, the lower section being a holding tank and the upper section including a toilet bowl, a water tank for storage of water for flush purposes, and an improved pump ap... | 01/29/1980 |
| 4180876 | Portable toilets A portable toilet that has a lower holding tank with an inlet port in the top wall, and removably supported thereon an upper unit that contains a toilet bowl with an oulet port in registry with said inlet port, a flush water storage tank and flush means f... | 01/01/1980 |
| 4170048 | Toilet installation A toilet installation is disclosed which is especially suited for pleasure boats. A discharge tank is disposed under a toilet fixture and connected with it through an inlet orifice. A flexible obturating member comprising a flexible flap member and a down... | 10/09/1979 |
| 4161792 | Waste disposal system and method Disclosed is a portable waste disposal system that is designed primarily for use in marine craft, mobile homes, campers or the like. The system comprises a macerator unit for converting excrement to a liquified effluent, and an incinerator unit for incine... | 07/24/1979 |
| 4156297 | Sewage treatment apparatus A sewage treatment apparatus for use in a toilet room comprises a casing with an inlet for reception of sewage and a discharge outlet. There are means within a chamber in the casing for the chemical treatment and agitation of the sewage to reduce the sewa... | 05/29/1979 |
| 4145773 | Portable toilet with vent means for the holding tank Apparatus for venting a sealed holding tank of a portable toilet to equalize the atmosphere and tank pressures before opening and closing the inlet port of the holding tank, said holding tank including a valve assembly for opening and closing the inlet po... | 03/27/1979 |
| 4133347 | Waste evacuation attachment for recreational vehicles A waste evacuation attachment for a recreational vehicle comprises a rigid cylindrical housing readily mountable to the existing fittings of a sewage discharge outlet of the recreational vehicle, there being a telescoping hose contained within the housing... | 01/09/1979 |
| 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 |
| 4114207 | Toilet A toilet system comprising a collecting tank, a pump extending downwardly into the collecting tank and having an inlet, a drain opening in the bottom surface of the collecting tank a selected distance beneath the pump inlet and having a size sufficient to... | 09/19/1978 |
| 4107798 | Self-contained toilet A self-contained toilet comprising a collecting tank, means for rinsing the interior of the collecting tank including a rinsing manifold, a rinsing conduit, and a check valve operatively connecting the rinsing manifold and rinsing conduit, and means for p... | 08/22/1978 |
| 4091475 | Portable toilets A two piece portable toilet is described. The toilet includes a bowl unit which defines a toilet bowl having a discharge opening, and a reservoir for a flushing liquid, said reservoir having a normally closed filler opening. A holding tank is normally dis... | 05/30/1978 |
| 4084269 | Arrangement for mouldering organic waste material An arrangement for mouldering organic waste material is disclosed, comprising a container in which an inclined path is provided along which waste material supplied to the container may slide under the action of gravity while undergoing a mouldering proces... | 04/18/1978 |
| 4042981 | Toilet waste holding apparatus A toilet waste holding apparatus for a vehicle has a vent which sucks away tank gasses and odors, without permitting sewage overflow to enter the vent. An insert allows entrance of clean air to the tank and access to the interior for cleaning.... | 08/23/1977 |
| 3992727 | Portable toilet A portable urinal includes a base, a housing surrounding the base and a waste material receptacle in said housing. The housing is formed of a pair of molded one-piece portions, the forward of the two portions including a urine receiving basin which is con... | 11/23/1976 |
| 3949430 | Portable toilet A self-contained portable sanitation unit formed in two vertically stacked sections. The top section includes a seat and cover, a bowl having an outlet port at its bottom, walls defining with the bowl a flush water chamber surrounding the bowl, and pump f... | 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 |
