| Patents for E03F 1 - Methods, systems, or installations for draining-off sewage or storm water (3,565) |
|---|
| 11/03/1981 | US4297751 Sewer system |
| 10/27/1981 | US4296772 Non-return valve |
| 08/25/1981 | US4285812 Storm drainage systems |
| 08/25/1981 | US4285359 Interface unit for vacuum sewers |
| 07/28/1981 | US4280528 Waste water conveyance apparatus |
| 07/08/1981 | EP0031342A1 Effluent disposal |
| 07/08/1981 | EP0031332A1 Waste disposal apparatus. |
| 07/07/1981 | US4276663 Toilet facility |
| 06/30/1981 | US4275470 Vacuum-flush toilet arrangement for aircraft |
| 05/19/1981 | US4268383 Vacuum operated sewage system |
| 04/14/1981 | US4261823 Storm drain catch basin |
| 04/07/1981 | CA1098797A1 Vacuum-type water removal system for houses, factories, ships and the like |
| 02/11/1981 | EP0023895A1 Interface unit for vacuum sewers |
| 01/27/1981 | US4246925 Waste water vacuum conveyance method and apparatus |
| 01/22/1981 | WO1981000102A1 Waste disposal apparatus |
| 01/13/1981 | CA1093421A1 Storm overflow basin |
| 01/07/1981 | EP0022119A2 System of collectors for pipes in an orientable dwelling |
| 12/24/1980 | WO1980002854A1 Effluent disposal |
| 12/09/1980 | US4237934 Vacuum flush water closet |
| 12/02/1980 | CA1090595A1 Flow distributor for leaching fields |
| 11/11/1980 | CA1089324A1 Vacuum drain facility |
| 10/29/1980 | EP0018337A1 Collecting container arrangement in a vacuum-operated waste-water system |
| 10/29/1980 | EP0018289A1 Stationary junction and connecting column for servicing permanent or mobile localities, especially for the supply of a sanitary unit which itself can be attached to a caravan or camping car |
| 09/30/1980 | US4225434 Storm overflow basin |
| 08/12/1980 | US4216790 Storm drainage systems |
| 07/22/1980 | US4213864 Combination of a biological dry toilet and a biological waste water purifying plant |
| 04/29/1980 | US4199828 Vacuum toilet apparatus for mobile units |
| 03/11/1980 | US4192628 Flow distributor for leaching fields |
| 01/22/1980 | US4184506 Vacuum sewer system |
| 12/18/1979 | US4179371 Vacuum sewage system |
| 11/13/1979 | CA1066255A1 Vacuum operated check valve for vacuum conduits |
| 10/09/1979 | US4170048 Toilet installation |
| 08/14/1979 | US4164049 Vacuum-type water removal system for houses, factories, ships and the like |
| 07/10/1979 | CA1057903A1 Toilet installation |
| 05/22/1979 | US4155851 Vacuum drainage system |
| 03/20/1979 | US4145157 Modular drain field section |
| 03/20/1979 | US4144903 Vacuum flush water closet |
| 02/21/1979 | EP0000788A1 Draining ditch headwall unit |
| 02/20/1979 | CA1048891A1 Vacuum drain system |
| 01/23/1979 | US4136010 Storm sewers |
| 01/23/1979 | CA1046893A1 Vacuum drainage system |
| 10/31/1978 | US4123358 Septic system liquid level control apparatus |
| 10/17/1978 | US4120312 Vacuum-type water removal systems for buildings |
| 09/26/1978 | CA1039225A1 Method for sewage removal from multi-household connections |
| 09/05/1978 | US4111225 Sewage disposal method and system |
| 11/08/1977 | US4057076 Waste water valve |
| 08/16/1977 | US4041554 Vacuum flush water closet |
| 08/02/1977 | US4039451 Rock and sand layers, septic tank |
| 08/02/1977 | US4039005 Flow diversion means |
| 07/19/1977 | US4036249 Diverter valve |
| 07/12/1977 | US4034421 Vacuum sewer system including a collecting tank |
| 06/21/1977 | US4031009 Combined leaching and sump catch-basin |
| 05/03/1977 | US4021338 Hydrogen peroxide |
| 03/22/1977 | US4013559 Prefabricated panels for sub-surface sewage effluent and waste water disposal |
| 03/22/1977 | US4013087 Disposal of liquid effluent from sewage treatment plants |
| 02/15/1977 | US4008155 Apparatus for disposal of effluents |
| 12/21/1976 | US3998736 Sewage disposal system |
| 12/14/1976 | US3996628 Water closets |
| 12/07/1976 | US3995436 Apparatus for uniform dispersion of digested effluent |
| 10/05/1976 | US3984080 Vacuum sewer valve |
| 09/07/1976 | US3978673 Method of disposing of liquid waste |
| 08/31/1976 | US3977978 Separation chamber, holding tank, drainage system |
| 06/08/1976 | US3962088 Concrete block assembly |
| 05/18/1976 | US3956776 Liquid waste material conveying system for toilets and the like |
| 04/13/1976 | US3949948 Device for web cutting |