| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 02/09/2005 | EP1009888B1 Pollutant interceptor |
| 02/09/2005 | CN2677457Y Automatic water intake drainage device for intertidal zone pool |
| 02/03/2005 | US20050022882 Frost free valve assembly |
| 02/02/2005 | CN1575391A Temperature actuated valve |
| 02/02/2005 | CN1573198A Established pipe replacing apparatus |
| 01/27/2005 | US20050016450 System and arrangement for conduit reparation |
| 01/26/2005 | CN2673957Y Energy saving valve |
| 01/20/2005 | DE10329909A1 Managing, monitoring and regulating water losses in a water supply network by use of a system of field units linked to central data capture and processing units |
| 01/19/2005 | CN1566547A Water saving single pipe water supply device by different quality for residential subdistricts |
| 01/11/2005 | US6840090 Plumbing testing devices |
| 01/06/2005 | US20050001186 Automatic water shut off valve |
| 01/05/2005 | CN2668710Y Environment-protection high-building automatic water-supplying device |
| 01/05/2005 | CN2668709Y Pressure-relieve water-complementing full-automatic constant-pressure water-feeding device for use in peak-hour of water use |
| 01/05/2005 | CN2668708Y Anti-frozen device for fluid pipeline |
| 01/05/2005 | CN1561441A Fluid delivery system |
| 01/05/2005 | CN1560386A Method and apparatus for auto-increasing pressure of tap-water |
| 12/30/2004 | US20040261849 Flush cartridge apparatus and method of use |
| 12/29/2004 | CA2783171A1 System and arrangement for conduit reparation |
| 12/23/2004 | WO2004094978A3 Detection of low-flow leaks in a water-distribution system, using two pressure difference thresholds |
| 12/22/2004 | EP1489194A1 Method of manufacture semifabricates of CuZnPbSn alloy for hot deformation |
| 12/22/2004 | EP1487560A1 Multiple barrier filter apparatus |
| 12/16/2004 | US20040252556 Remotely actuated quick connect/disconnect coupling |
| 12/16/2004 | CA2431657A1 Water shut off valve |
| 12/15/2004 | CN2663533Y Efficient utilization device of high position water intake head of clear-water reservoir |
| 12/15/2004 | CN2663532Y Self-force type antifouling closed valve |
| 12/15/2004 | CN2663531Y Overrunning-proof energy-saving device of middle booster pump station |
| 12/14/2004 | US6830063 Freezeless protection device for wall hydrants/faucets |
| 12/02/2004 | WO2004104533A2 Apparatus for maintaining fluid temperature |
| 12/02/2004 | WO2004053372A3 Pipe renovating system and method |
| 12/02/2004 | US20040238458 Automatically maintaining quality in subterranean distribution system; freeze protection, backflow prevention, dechlorination |
| 12/02/2004 | US20040238037 Freeze and backflow protection for a subterranean water flushing system |
| 12/02/2004 | US20040238028 Vacuum pressure breaker and freeze protection for a water flushing system |
| 12/01/2004 | EP1481189A1 Arrangement for keeping a pipe unfrozen, a method and an apparatus for manufacturing said arrangement |
| 12/01/2004 | CN2659979Y Automatic return device of feeding pipeline |
| 12/01/2004 | CN2659978Y Bell socket of stee lor plastic joinning tube and glass fiber reinforced plastic composite pipeline |
| 11/30/2004 | US6824347 Valve and related methods for reducing fluid pressure and generating power |
| 11/30/2004 | CA2822237A1 Water flushing system |
| 11/30/2004 | CA2430686A1 Water flushing system |
| 11/25/2004 | DE202004015259U1 Turbulent water flow generating device for installation in water pipe, contains dam disc with nozzles |
| 11/24/2004 | EP1478891A1 Portable, potable water recovery and dispensing apparatus |
| 11/24/2004 | CN2658224Y Rubber inflation water-stop air sack |
| 11/23/2004 | US6820646 Installation for measuring and displaying fluid volume and corresponding use for maintaining below frostline and accessible valving and metering equipment |
| 11/18/2004 | US20040226614 Catastrophe avoidance system and method |
| 11/18/2004 | US20040226608 Apparatus for maintaining fluid temperature |
| 11/18/2004 | US20040226585 Cleaning systems with monitoring functions |
| 11/16/2004 | US6819962 Method of evaluating, expanding, and collapsing connectivity regions within dynamic systems |
| 11/11/2004 | DE202004008947U1 Potable water disinfecting unit has first two-way inlet valve linked to second two-way outlet for disinfected hot and cold water |
| 11/10/2004 | CN1544767A Multiple water supplying pipes with dissimilar signs for distinguishing different water quality |
| 11/04/2004 | WO2004094978A2 Detection of low-flow leaks in a water-distribution system, using two pressure difference thresholds |
| 11/04/2004 | WO2004094879A1 Frost resistant hydrant |
| 11/04/2004 | DE202004013679U1 Anschluss eines Tränkebeckens Connecting a drinker |
| 11/03/2004 | CN2653003Y Circular water saving device for reutilizing waste water of pure water purifier |
| 11/03/2004 | CN1542236A Flushing system with monitoring and pipe flushing function |
| 11/02/2004 | US6812848 Water leak mitigation system |
| 10/28/2004 | DE10316360A1 Safety system for pressurized fluid conduction arrangement in households and industry has magnetic or mechanical switches at outlets or radio controlled valves |
| 10/21/2004 | US20040206394 Automatic freeze protection system for domestic plumbing systems |
| 10/21/2004 | DE202004013312U1 Wasseranschlussarmatur Water supply fitting |
| 10/21/2004 | DE10315224A1 External frost-proof water tap/faucet, to give an external water supply, has a pipe passing through the wall divided into segments at the pipe end and valve stem towards the tap/faucet housing |
| 10/19/2004 | US6805154 Freeze protection device for wall hydrants/faucets |
| 10/14/2004 | WO2004048251A3 High flow rate water supply assembly |
| 10/14/2004 | US20040200528 Pressure reducer with dirt trap |
| 10/14/2004 | US20040200524 Flow control apparatus and method |
| 10/13/2004 | EP1467090A2 Pressure reducing valve with dirt collector |
| 10/13/2004 | CN2647925Y Adjustable type water dividing valve |
| 10/13/2004 | CN1536256A Pressure reducing valve with mud collector |
| 10/13/2004 | CN1536179A Single tube water supply terminal sterilizing water-supplying device for directly drinking engineering |
| 10/07/2004 | US20040197922 Identifying presence of contaminates in fluid distribution system; wastewater treatment; chemical and biosensors; detection of chemical and biological warfare agets |
| 10/07/2004 | US20040194830 Fluid Delivery System |
| 10/07/2004 | US20040194825 Apparatus and system for retrofitting water control valves |
| 10/07/2004 | US20040194395 Round wall-mounted hydrant housing for freezeless wall hydrants and method of installation thereof |
| 10/06/2004 | CN2646227Y Straight tube leakage repairing equipment for water supply pipeline |
| 10/06/2004 | CN2646226Y Water filter special for tap water |
| 10/06/2004 | CN2646225Y Tap water supply system for storied house |
| 09/30/2004 | DE19827158B4 Sanitärarmatur Sanitary fitting |
| 09/29/2004 | EP1462581A1 Sanitary arrangement for water distribution in particular in a house and assembly of distributing batteries |
| 09/29/2004 | CN2644527Y Antifreeze apparatus tapping pipe and water tap |
| 09/29/2004 | CN2644526Y Measuring vessel for saving water |
| 09/23/2004 | US20040182451 Potable water circulation system |
| 09/23/2004 | US20040182439 Smart device and system for improved domestic use and saving of water |
| 09/23/2004 | DE10308134A1 Surface treatment of installation components in lead-containing copper alloy used in preventing the leaching out of lead from lead containing copper alloy components of water treatment installations |
| 09/15/2004 | CN2641136Y All direction water tap |
| 09/09/2004 | DE10308838A1 Ventilanordnung für einen Rohrtrenner A valve assembly for a backflow preventer |
| 09/08/2004 | CN2639366Y Device for removing rust on waterpipe |
| 09/02/2004 | WO2004074388A1 Method for treating tubular goods |
| 09/02/2004 | CA2515312A1 Method for treating tubular goods |
| 09/01/2004 | EP1452652A2 Valve arrangement for a back flow preventer |
| 09/01/2004 | CN2637575Y Domestic sewage treatment device |
| 09/01/2004 | CN2637567Y Running water antifreezing device |
| 09/01/2004 | CN2637566Y Water leakage protector |
| 09/01/2004 | CN2636964Y Water cleaning device for water supply according to quality |
| 09/01/2004 | CN1164839C Water supply system for building |
| 08/26/2004 | DE19855746B4 Frostschutzanlage für Wasserleitungen Frost protection on water pipes |
| 08/26/2004 | DE10306842A1 Method for treatment of pipes, in particular, for renovation of drinking water pipes involves coating of pipe inner surfaces with a material containing an agent which is harmful to microbes |
| 08/25/2004 | CN2635745Y Freezing proof device for running-water |
| 08/19/2004 | WO2004048706A3 Water flow control system |
| 08/19/2004 | US20040161341 Drinking water pumping system |
| 08/19/2004 | DE10304928A1 Treatment of copper water pipes, to prevent copper deposits entering the water, uses an oxidizing solution containing hydrogen carbonate to form a barrier layer on the pipe surface |
| 08/18/2004 | CN2633964Y Magnetic lens filter |
| 08/17/2004 | CA2373393C Backflow preventer valve |
| 08/12/2004 | US20040155784 Water leak mitigation system |