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| Number | Title | Issue Date |
| 6625822 | Toilet with a modular vacuum flush system A toilet bowl (10), a tank (20) for the reception of a quantity of wastewater, a cut-off valve (12) between the bowl outlet and the tank inlet, a vacuum generator (22) connected to the tank (20), a tank inlet valve (23) for the inlet of pressurized air to... | 09/30/2003 |
| 6085364 | Rechargeable battery system for a marine vessel toilet A battery system for an electric motor-powered marine vessel toilet is disclosed. The battery system comprises a mounting cradle and a battery having power contacts, the battery being detachably mounted to the mounting cradle. The mounting cradle includes... | 07/11/2000 |
| 5987658 | Single motor, dual clutch marine vessel toilet A fluid circulation system is disclosed, comprising a bidirectional motor, a first housing having a fluid inlet and a fluid outlet, a second housing having a fluid inlet and a fluid outlet, a fluid holding device coupled between the fluid outlet of the fi... | 11/23/1999 |
| 5621924 | Vacuum tank construction for a vacuum toilet assembly A particular vacuum tank construction is provided for a vacuum toilet assembly which mounts a vacuum pump, has great versatility and accessibility, and ensures optimized washing effect of water and waste into the vacuum tank. A tank inlet is located at th... | 04/22/1997 |
| 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 |
| 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 |
| 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 |
| 4152794 | Automatic pressure flush-toilet of delaying drainage This invention discloses an improvement in the flush-toilet at which the water will flush out automatically into the basin at the period of time after somebody uses it. By means of two pumps installed at different levels and a connector to contain a magne... | 05/08/1979 |
| 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 |
| 3996628 | Water closets A water closet, in particular a water closet which is connected to a discharge vacuum conduit, comprises a container which is divided into a first and second compartment by means of a movable wall, the compartments being each connected by means of a condu... | 12/14/1976 |
