Patents for E03B 7 - Water main or service pipe systems (5,081)
11/1997
11/20/1997DE19620098A1 Zentrale Wassersicherung Central water security
11/19/1997EP0807197A1 System for detecting water leaks and preventing water damage
11/18/1997US5687951 Drain valve
11/13/1997DE19618319A1 Drinking water dispenser has taste-improving water treatment process
11/12/1997CN1164599A Water intaking valve cover device for water supply device
11/06/1997DE19615833A1 Cast Magnesium alloy half-shell assemblies bolted in series round water pipe
11/05/1997EP0805237A1 Means for mounting a device which is traversed by a fluid into a protective casing
11/05/1997EP0804654A1 Device for regulating a water supply plant
10/1997
10/30/1997WO1997040304A1 Safety element for a duct
10/30/1997DE19711957A1 Expansion vessel especially for sanitary water installations
10/30/1997CA2251774A1 Safety element for a duct
10/28/1997US5681459 Refect water drain line installation system and apparatus for under sink reverse osmosis filter system
10/28/1997US5681454 Liquid processing plant
10/28/1997US5680877 Of a water distribution network
10/23/1997DE19615472A1 Sicherheitsfunktionselement für eine Leitung Security functional element for a line
10/22/1997CN2265398Y Water tap
10/22/1997CN2265397Y Automatic water supply device for gas water-discharge water-sealing
10/16/1997DE19614302A1 Anti-dribble fitting for tap or hose
10/14/1997US5676182 Portable apparatus and method for winterizing of seasonal dwellings
10/08/1997EP0799940A1 Electrical freeze protection device
10/01/1997EP0798424A2 Diverter and water purifier having same
10/01/1997EP0798052A1 Arrangement for applying adhesive
09/1997
09/25/1997DE19610597A1 Pre-finished quick assembly set for warm and cold water installations
09/24/1997EP0796953A2 Water distributor
09/18/1997DE19610206A1 Pipe conduit and installation system for heating installations
09/18/1997DE19608325A1 Hot water line control valve
09/11/1997DE19608527A1 Water-damage protection device for hose or conduit for transporting fluids for building
09/09/1997CA2137172C Backflow prevention and detection system
08/1997
08/27/1997EP0501989B1 Water tap
08/27/1997CN1158161A Apparatus for reference laser level setting
08/26/1997US5660802 Water purifier
08/21/1997WO1997030383A1 Automatic variable-demand flow regulator
08/21/1997DE19624545C1 Membrane pressure expansion vessel
08/21/1997CA2217657A1 Automatic variable-demand flow regulator
08/20/1997EP0695150B1 Device for supplying fresh water to at least one user
08/14/1997DE19615483A1 Water-pipe thawing-out equipment
08/13/1997EP0788573A1 Valves
08/13/1997CN2259435Y Protector for supplying water
08/05/1997US5653868 Diverter and water purifier having same
07/1997
07/23/1997EP0785388A2 Method of lining a pipeline
07/23/1997CN2258197Y Anti-freezing alarm for water heating network
07/23/1997CN2258196Y Water tap water purifier
07/17/1997DE19600867A1 Supply line blocking method e.g. for preventing flooding of domestic supply
07/10/1997DE19607432C1 Water flow regulation device with inlet for hot water and outlet for cold water
06/1997
06/25/1997CN2256907Y Small auto-pressure stabilizing device for supplying water
06/17/1997US5638847 Temperature sensitive water supply shut-off system
06/12/1997DE19609375C1 Connecting fitment for expansion vessel in water supplies
06/11/1997CN2256061Y Elastic cement pipe with steel lining
06/11/1997CN1151461A Linkage system of water supply and drainage for bathroom and toilet
06/05/1997WO1997020112A1 Water supply system
06/05/1997DE19618888A1 Hydraulic three-chamber system pipe disconnector
06/05/1997CA2211401A1 Water supply system
06/03/1997US5635058 Reject water drain line installation system and apparatus for under sink reverse osmosis filter system
05/1997
05/15/1997WO1997017500A1 System for detecting water leaks and preventing water damage
05/15/1997CA2212968A1 System for detecting water leaks and preventing water damage
05/14/1997EP0773427A1 Apparatus for reference laser level setting
05/07/1997DE19540445A1 Piping box of mortar-coated plastic foam boards
05/01/1997WO1997015406A1 System for and method of cleaning water distribution pipes
04/1997
04/23/1997CN1147971A Water purifying apparatus
04/22/1997US5622207 Water supply system with a pipe freeze up prevention in an aircraft
04/17/1997WO1997014018A1 Fitting unit for a sanitary installation and process for producing it
04/16/1997EP0623098B1 Apparatus for the oxidation of water
04/16/1997EP0608416B1 Piping system free of stagnation of fluid
04/16/1997CN2252206Y Electric water supply auto-control device
04/10/1997WO1997013042A1 Sanitary water apparatus with filtering apparatus for fibers, in particular asbestos fibers
04/10/1997DE19633350C1 Sanitary installation assembly unit for building
04/09/1997EP0766765A1 Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution
03/1997
03/25/1997US5614119 No freeze protection device for an outdoor faucet
03/12/1997EP0706583B1 Sodium water-glass solutions with high orthophosphate contents for corrosion protection in the field of drinking-water supplies
03/05/1997CN2248734Y Air removing component parts of sewerage system for buildings
03/04/1997US5606987 Energy conserving hot water faucet dribble bypass method and apparatus
02/1997
02/27/1997DE19531177A1 Valve connection for water meter valve
02/26/1997EP0759487A1 Connection part
02/26/1997EP0759133A1 Valve/seal assembly and use thereof, in particular in a water metering unit
02/26/1997CN2248277Y Antifreezing valve
02/20/1997WO1997006313A1 Low lead release plumbing components made of copper based alloys containing lead, and a method for obtaining the same
02/13/1997WO1997005416A1 Apparatus and method for reducing water use
02/11/1997US5601658 Using cupric acetate solution
02/04/1997US5598867 Method and apparatus for draining plumbing lines
01/1997
01/29/1997CN1141377A Energy saving hygienic water supplying arrangement
01/23/1997WO1997002370A1 Method of treating lead-containing surfaces to passivate the surface lead
01/08/1997EP0350485B1 A heating and insulation arrangement for a network of installed pipes and method
12/1996
12/17/1996US5584665 Liquid drainage system with pneumatic sensor
12/10/1996CA2058523C Water piping system
12/05/1996DE19519715A1 Magnetic appts. to prevent lime-scale deposits in water pipes
11/1996
11/28/1996WO1996037755A1 Apparatus for reference laser level setting
11/27/1996CN2241250Y Non-frost plug
11/27/1996CN2241172Y Automatic water supply device for entrance of building
11/20/1996CN2240549Y Freezing-proof device for tap
11/13/1996CN2239986Y Tube plate structure of water purifier
10/1996
10/30/1996CN1134491A Centralized water supply system capable of providing clear water
10/29/1996US5568945 Stabilizing bracket for adjustable meter setter
10/29/1996US5568825 Automatic leak detection and shut-off system
10/24/1996DE19609602A1 Water transfer shaft of lid and base segments
10/22/1996US5567079 Method for the hydraulic branching of an open stream and hydraulically working channel branch
10/22/1996US5566704 Backflow preventer and test cock assembly
10/11/1996CA2152439A1 No freeze protection device for an outdoor faucet
10/03/1996WO1996030735A1 A leakage indicator
10/03/1996WO1996030599A1 Installation unit for wet rooms
10/03/1996WO1996030310A1 On premise water treatment apparatus
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