Patents for E03B 7 - Water main or service pipe systems (5,081) |
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09/27/1995 | EP0673456A1 Process for hydraulically branching an open stream and canal branch with hydraulic operation. |
09/12/1995 | US5449456 Reject water drain line installation system and apparatus for under sink reverse osmosis filter system |
09/06/1995 | CN1107920A Flood preventing system |
08/30/1995 | CN2206309Y External control type anti-freezing device for running water pipe |
08/29/1995 | US5445356 Non-freezing liquid supply system |
08/29/1995 | CA2116587A1 Sprinkler system control valve for cold area |
08/22/1995 | US5444360 Maintenance reduction apparatus |
08/17/1995 | WO1995022028A1 Plumbing fixture carrying drinking water comprised of a copper alloy |
08/17/1995 | DE4404194A1 Trinkwasserführende Armatur aus Metall, insbesondere aus Kupfer und dessen Legierungen mit Anteilen an Zink und Blei Leading drinking water fitting of metal, especially copper and its alloys with fractions of zinc and lead |
08/15/1995 | US5441070 Fluid management system |
08/09/1995 | EP0666213A1 Anti freezing device for a one end pipe |
08/08/1995 | US5439130 Debris cap with locking system |
08/08/1995 | US5438714 Fresh water manifold distribution system and method |
07/18/1995 | US5433246 Pressure coupling for cleaning water lines |
07/13/1995 | DE4400582A1 Water filter |
06/22/1995 | DE4342772A1 Water meter for flush mounting |
06/22/1995 | DE4341898A1 Measurement of domestic water pressure using sensors either side of filter assembly |
06/20/1995 | US5425396 Water pressure level control valve |
06/20/1995 | US5425393 Backflow prevention and detection system |
06/14/1995 | CN1103691A Branching system for flow of water in open channel |
06/13/1995 | US5423630 Method and apparatus for repairing a pipeline |
06/06/1995 | US5421364 Flow-control valve with handle-travel limited |
06/06/1995 | US5421362 System of plumbing for an over-the-road vehicle |
06/01/1995 | WO1995014826A1 Method of achieving the uniform quality of water |
05/23/1995 | US5417348 Water tap |
05/18/1995 | WO1995013497A1 Fluid management system |
05/17/1995 | EP0653610A1 Water meter housing |
05/17/1995 | EP0653520A2 Watersupply system in particular for buffet cars of passenger trains |
05/11/1995 | DE4338310A1 Built-in cupboard for heating and hot-water installations |
04/27/1995 | DE4336784A1 Device for interrupting a water supply |
04/26/1995 | EP0650109A1 Pressure reducer |
04/26/1995 | CN2195572Y Device for stopping check valve connecting to water flowmeter box |
04/20/1995 | DE4440714A1 Device and process for blocking fluid and gaseous substances |
04/19/1995 | CN2194930Y Water hammer eliminator |
04/13/1995 | WO1995009980A1 Hot water demand appliance and system |
04/11/1995 | US5404905 Backflow preventer with failure indicator |
04/06/1995 | DE4403067C1 Device for keeping liquid pipelines, which are open at one end, free of ice |
04/06/1995 | DE4333960A1 Pressure reducing valve |
04/04/1995 | US5402815 Temperature sensitive water supply shut-off system |
03/30/1995 | DE4333095A1 Method for detecting a leak in a drinking water supply network and arrangement for applying the method |
03/15/1995 | EP0642596A1 Brass alloy. |
03/14/1995 | US5397102 Lead-free faucet housing |
03/09/1995 | WO1995006507A1 Filtering device |
02/28/1995 | US5392813 Integral bleed system for valve |
02/28/1995 | US5392803 Apparatus and method for installing valves |
02/25/1995 | CA2130929A1 Water pressure level control valve |
02/23/1995 | WO1995005507A1 A fluid release means |
02/21/1995 | US5390744 Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system |
02/21/1995 | US5390691 Bleed valve for water supply for camping vehicle |
01/31/1995 | US5385168 Hot water demand appliance and system |
01/26/1995 | WO1994023139A3 Device for supplying fresh water to at least one user |
01/19/1995 | WO1995002126A1 Pump controller |
01/18/1995 | EP0634199A1 Water filter comprising controllable filtering and backwashing elements |
01/18/1995 | EP0634176A2 Insulation of pipes and fittings in a steam steriliser |
01/12/1995 | WO1995001483A1 Electrically operated stop-cock for mains water supply |
01/12/1995 | WO1995001465A1 Sodium water-glass solutions with high orthophosphate contents for corrosion protection in the field of drinking-water supplies |
01/12/1995 | DE4322697A1 Mounting (prefabricated) plate for receiving shut-off devices and water meters |
01/12/1995 | DE4322696A1 Prefabricated building block for receiving shut-off devices and water meters |
01/12/1995 | CA2165938A1 Electrically operated stop-cock for mains water supply |
01/10/1995 | US5379803 Apparatus for the abandonment of a branch main |
12/06/1994 | CA2019590C Self-regulating freeze-proof water protection system |
11/30/1994 | CN1095783A Indoor installation of water supply and sewerage facilities |
11/29/1994 | US5368669 Method of lining a pipeline |
11/15/1994 | CA2068912C Pipe thawing apparatus |
11/09/1994 | EP0623098A1 Apparatus for the oxidation of water. |
11/08/1994 | US5361795 Furnace waste water freeze protection method |
11/01/1994 | US5360488 Method of cleaning and maintaining water distribution pipe systems |
11/01/1994 | US5360131 Cover height adjuster |
10/26/1994 | EP0621427A1 Flow control valve |
10/20/1994 | DE4311880A1 Service connection for gas and water lines |
10/19/1994 | EP0620327A2 Fluid distribution system |
10/13/1994 | WO1994023139A2 Device for supplying fresh water to at least one user |
10/12/1994 | EP0619474A1 Diaphragm mounting device in water-drawing point next to a flow meter |
10/03/1994 | CA2120285A1 Water isolation system |
09/29/1994 | WO1994021865A1 Method of cleaning and maintaining potable water distribution pipe systems |
09/28/1994 | EP0616976A1 Water softening apparatus |
09/22/1994 | DE4308762A1 Flow-control valve |
09/21/1994 | EP0616157A1 Housing for the installation of a valve, especially a pressure reducing valve and a filter, in a conduit |
08/25/1994 | DE4341456A1 Pipeline network, in particular fresh-water or clear-water pipeline network |
08/23/1994 | US5339865 Apparatus for compensating for variations in pressure exerted by a fluid within a container against the container |
08/17/1994 | EP0610339A1 Fluid flow control system |
08/11/1994 | DE4303123A1 Domestic-water station |
08/03/1994 | EP0608416A1 Piping system free of stagnation of fluid |
08/02/1994 | CA2015672C Hydrant thawing machine |
07/20/1994 | EP0606826A1 Double-body flexible pipe for water distribution in building |
07/20/1994 | EP0606823A1 Liquid treatment plant |
07/14/1994 | CA2112967A1 Processing plant and valve assembly |
07/12/1994 | US5327924 Abandonment of a branch main |
06/28/1994 | US5324434 Water purifying apparatus |
06/22/1994 | EP0602629A1 Watertap, in particular water mixer-tap with flow measuring device |
06/07/1994 | US5318059 Methods and apparatus for prevention of water pipe freeze-up in a dwelling |
06/01/1994 | CN2167129Y 自动增压式供水设备 Automatic pressure water supply equipment |
05/26/1994 | WO1994011580A1 Process for hydraulically branching an open stream and canal branch with hydraulic operation |
05/25/1994 | CN2166162Y Anti-freezing protecting device for running water pipe |
05/19/1994 | DE4238830A1 Verfahren zum hydraulischen Verzweigen einer offenen Strömung sowie hydraulisch arbeitende Kanalverzweigung A method for hydraulic branching of an open flow and hydraulically operated channel branching |
05/18/1994 | EP0597554A1 Water piping system |
05/18/1994 | CN2165163Y Tap water level reducing frost-proof device |
05/11/1994 | EP0596833A1 Installation fitting for sanitary appliances |
05/11/1994 | DE4237778A1 Water pipeline laying, using steel pipe pulled into duct - fills space between duct and steel pipe with insulating packing, pumped through pipe apertures |
05/04/1994 | CN2164059Y Water-storage level self controller for tap water containers |