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