| Patents for E03F 1 - Methods, systems, or installations for draining-off sewage or storm water (3,565) |
|---|
| 12/20/1988 | US4791949 Method of discharging sewage by vacuum and control apparatus for carrying the method into effect |
| 12/15/1988 | DE3719068A1 Vacuum pumping station for sewage |
| 11/24/1988 | DE3714947A1 Retention system for combined sewage comprising sewage (waste water) and storm water |
| 11/15/1988 | US4783859 Aircraft toilet flush valve |
| 10/19/1988 | EP0287350A2 Vacuum sewage collecting system |
| 09/15/1988 | DE3707219A1 Apparatus for separating sub-quantities of liquids from a specific inflow region from which disposal takes place into a lower-level collecting tank, preferably for vehicle-washing systems |
| 08/10/1988 | EP0277786A2 Vacuum toilet system |
| 07/28/1988 | DE3744599A1 Installation for the decentralised supply to inhabitable buildings and waste disposal from these |
| 07/26/1988 | US4759661 For dispersing liquids within the earth |
| 07/21/1988 | DE3700267A1 Process and apparatus for reducing and spatially restricting exhalations of volatile substances from fluid media |
| 07/12/1988 | US4756827 Liquid flow drainage control |
| 06/02/1988 | WO1988003977A1 System for pressurized drainage of sewage and other liquid waste |
| 04/21/1988 | DE3634552A1 Process for increasing the discharge in free-gradient receiving-water pipelines |
| 04/07/1988 | DE3632189A1 Pressure tunnel |
| 03/24/1988 | DE3630790A1 Process for removing salt-containing liquids via river courses to the sea via a synthetically formed channel in the river bed |
| 03/23/1988 | EP0260962A2 Waste disposal system |
| 03/17/1988 | DE3630968A1 Connection arrangement in a vacuum sewerage system |
| 03/09/1988 | EP0258525A2 Vacuum dewatering installation |
| 03/03/1988 | DE3728157A1 Vakuumklosettanlage Vakuumklosettanlage |
| 01/19/1988 | US4720209 Drywell structure |
| 12/22/1987 | US4713847 Vacuum toilet system |
| 11/19/1987 | DE3616823A1 Disruption-detecting means for a vacuum drainage system |
| 11/19/1987 | DE3616747A1 Laying form for vacuum drainage line |
| 11/05/1987 | DE3602971A1 Shut-off member |
| 10/07/1987 | EP0239892A1 Method and device for operating a vacuum sewer plant |
| 09/24/1987 | DE3546392A1 Shut-off member |
| 09/15/1987 | US4693447 Motorized gate valve for a waste disposal system |
| 09/08/1987 | US4691731 Vacuum sewerage system with in pit breather |
| 08/25/1987 | US4689145 Dry well filtration system |
| 08/06/1987 | DE3610866A1 Control device for a shut-off valve of a subatmospheric-pressure sewerage system |
| 07/30/1987 | DE3602592A1 Process and apparatus for reducing peak discharges in rainwater lines or combined-sewage lines |
| 07/08/1987 | EP0227657A1 Method at water supply and sewerage system and system for water supply and sewerage |
| 06/16/1987 | US4672690 Vacuum tank construction for self-contained sewage handling apparatus |
| 06/03/1987 | EP0223778A1 Cesspool |
| 05/27/1987 | EP0223764A2 Water closet to be emptied under pressure |
| 05/12/1987 | US4664792 Water buffer separated from water recipient by flexible curtain |
| 05/05/1987 | US4663056 Vacuum-sewage-collection system |
| 04/08/1987 | EP0217185A2 Aircraft toilet flush valve |
| 04/07/1987 | CA1220185A1 Activating apparatus in a liquid conveying system operated by vacuum, preferably a so-called vacuum sewage system |
| 04/01/1987 | EP0216101A2 Pneumatic control device for a shut-off valve of a vacuum waste water conduit |
| 01/22/1987 | DE3525729A1 Protective container with house connection shut-off valve and control box for a low-pressure waste water system |
| 12/31/1986 | WO1986007617A1 Method at water supply and sewerage system and system for water supply and sewerage |
| 12/23/1986 | CA1215652A1 Sewage flow control apparatus |
| 11/12/1986 | CA1213742A Method and apparatus for installing highway drainage mat |
| 11/11/1986 | US4621380 Toilet assemblies |
| 11/11/1986 | US4621379 Flushing operating means for vacuum toilet |
| 11/06/1986 | WO1986006430A1 Cesspool |
| 11/04/1986 | US4620817 Underground discharge for downspouts and sump pumps |
| 10/21/1986 | US4618421 Conducting sewage or other wastes downstream in submerged tubes to disposal means |
| 09/23/1986 | US4613253 Underwater discharge system |
| 08/12/1986 | US4605501 Flow divider for distribution systems |
| 08/05/1986 | US4603709 Device in a vacuum transportation system for liquids, preferably a vacuum sewage system |
| 05/13/1986 | US4588325 Modular rock replacing drain field apparatus |
| 02/05/1986 | EP0170096A2 Remotely controllable reset mechanism for a vacuum-actuated system |
| 11/13/1985 | EP0161228A2 Plant for treatment of urban runoff water |
| 11/12/1985 | US4552484 Method of providing field toilet type facilities |
| 11/12/1985 | US4552331 Remotely controllable reset mechanism for a vacuum-actuated system |
| 11/05/1985 | US4550453 Compact, portable drain to empty and clean a recreational vehicle holding tank |
| 08/27/1985 | US4536902 Toilet assemblies |
| 08/21/1985 | EP0152386A2 Device in a vacuum transportation system for liquids, preferably a vacuum sewage system |
| 08/20/1985 | US4535800 Valve system for vacuum sewage collection system |
| 06/18/1985 | US4523875 Auxiliary drainage system for eliminating water problems associated with a foundation of a building |
| 06/11/1985 | US4521925 Nonrecirculating vacuum flush toilet system utilizing fresh water |
| 06/04/1985 | US4520513 Automatic vacuum urinal flush mechanism |
| 04/16/1985 | US4511117 Activating apparatus in a liquid conveying system operated by vacuum, preferably a so-called vacuum sewage system |
| 02/20/1985 | EP0031332B1 Waste disposal apparatus |
| 12/18/1984 | US4488963 Sewage system for waste water |
| 11/06/1984 | CA1177359A1 Liquid transport apparatus |
| 10/30/1984 | CA1176993A1 Filtering and collecting device for water drains |
| 09/04/1984 | US4469596 Fluid transport conduit system in equilibrium with its environment |
| 06/19/1984 | US4455231 Flow regulation device for waste waters |
| 05/01/1984 | US4446016 Solids collecting apparatus for a vacuum drain system |
| 03/06/1984 | CA1163142A1 Vacuum plant for ships for the removal of polluted water |
| 12/06/1983 | US4419232 Filtering and collecting device for water drains |
| 11/01/1983 | CA1156382A1 Waste disposal apparatus |
| 08/31/1983 | EP0087188A1 Method and apparatus for discharging paper towels or the like |
| 05/24/1983 | CA1146996A1 Waste water conveyance apparatus |
| 04/14/1983 | WO1983001268A1 A filtering and collecting device for water drains |
| 04/12/1983 | CA1144448A1 Flow system control with time delay override means |
| 03/15/1983 | US4376702 Waste disposal apparatus |
| 03/15/1983 | US4376315 Vacuum flush valve |
| 03/15/1983 | US4376314 Vehicular toilet |
| 03/09/1983 | EP0073741A1 Apparatus for the regulation of sewage discharge |
| 02/22/1983 | CA1141691A1 Interface unit for vacuum sewers |
| 02/15/1983 | US4373838 Vacuum sewage transport system |
| 01/25/1983 | US4370227 Vacuum drain facility |
| 11/16/1982 | CA1135591A1 Vacuum-type water removal systems for buildings |
| 11/09/1982 | US4357719 Non recirculating method of disposing of waste products for aircrafts |
| 10/19/1982 | CA1133969A1 Pneumatically driven drainage facility |
| 10/12/1982 | US4353608 System of collectors for conduits in a dwelling |
| 06/16/1982 | EP0053932A1 Liquid transport method |
| 06/08/1982 | US4333830 Vacuum drain system |
| 06/08/1982 | US4333487 Pneumatically driven drainage facility |
| 06/01/1982 | US4332041 Pressurized drain for toilet waste tank |
| 03/30/1982 | US4321948 Discharge system for septic tank |
| 02/02/1982 | US4313692 Septic tank drainage conduit structures |
| 12/22/1981 | CA1114959A1 Combination of a biological dry toilet and a biological waste water purifying plant |
| 12/15/1981 | US4305818 Vacuum sewage system |
| 12/01/1981 | US4303350 Septic leaching system |
| 11/03/1981 | US4298470 Sewage septic system with liquid flow drainage control |