| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 06/22/2011 | CN102102379A Energy accumulation type waterpower water-raising and irrigation device |
| 06/22/2011 | CN101649631B Wired remote transmission frequency-conversion water supply system through pressure signals |
| 06/16/2011 | WO2011070487A1 Method and device for connecting to a water distribution system |
| 06/15/2011 | CN201865155U Multifunctional dual water supply tank |
| 06/15/2011 | CN201865152U Water tank device simultaneously having functions of full water alarm and water tank separation alarm |
| 06/15/2011 | CN201865151U Automatic water supply system of fire fighting equipment |
| 06/15/2011 | CN201865150U Automatic anti-leakage double-ball type vacuum elimination device |
| 06/15/2011 | CN201865149U Automatic timing flowing liquor cut-off device |
| 06/14/2011 | CA2595714C Valve box, valve control device assembly thereof |
| 06/08/2011 | CN201857640U Sludge discharge system |
| 06/08/2011 | CN201857639U Novel constant-pressure variable water supply equipment |
| 06/07/2011 | US7955686 UV resistant multilayered cellular confinement system |
| 06/07/2011 | US7954506 Automatic freeze protection system for domestic plumbing systems |
| 06/02/2011 | US20110126926 Sanitary component, namely a stream regulator or stream former for flowing fluid media, method of producing such a sanitary component, and use of such a sanitary component |
| 06/01/2011 | CN201851674U Anti-freeze drain valve |
| 06/01/2011 | CN201850584U Tank-type pressure-superposed water supply equipment |
| 06/01/2011 | CN201850583U Tank-type laminated water supply equipment |
| 06/01/2011 | CN201850579U Tap water anti-freezing valve |
| 06/01/2011 | CN201850578U Secondary pressurization water supply device |
| 06/01/2011 | CN201850577U Inside and outside sleeve pipe |
| 06/01/2011 | CN102080397A Self-priming frequency converter water supply equipment |
| 06/01/2011 | CN101864788B Concentrated production and dispersing and circulating delivery method of urban direct drinking water |
| 05/26/2011 | DE102009046948A1 Cable feeder for underground lines, has housing that is integrated firmly in line system, where sealing unit is mounted with setting key in housing without visual check |
| 05/25/2011 | EP2324159A1 Control system and method for water supply |
| 05/25/2011 | CN201845407U Domestic tap water leakage warning device |
| 05/25/2011 | CN201843174U Steady pressure type pipe network pressure-superposed equipment |
| 05/25/2011 | CN201843173U Energy-saving jet flow frequency-conversion water supply device |
| 05/25/2011 | CN201843171U Bidirectional compensation type laminating equipment |
| 05/25/2011 | CN201843170U Overflow pressure regulating tower in water conveying system |
| 05/25/2011 | CN201843169U Full-automatic integrated device for filtering, pressurizing, peaking prevention and timing of tap water |
| 05/25/2011 | CN201843168U Passageway drain water pipeline |
| 05/25/2011 | CN201843167U Immersed water pump water supply equipment without negative pressure |
| 05/25/2011 | CN201843164U System utilizing roof rainwater to supplement flushing supply |
| 05/25/2011 | CN201843145U Closed composite controllable overall water meter chamber |
| 05/25/2011 | CN102073292A Method and arrangement for monitoring water quality |
| 05/25/2011 | CN102071727A Reuse technology for photovoltaic ultrapure water wastewater and dual-pipeline water supply device |
| 05/25/2011 | CN102071725A 野外生产供水装置 Field production water supply device |
| 05/25/2011 | CN102071721A Circulating water inlet pipe and drain pipe laminating structure for power plant |
| 05/19/2011 | WO2011058590A1 Pressurization apparatus |
| 05/19/2011 | US20110114195 Union coupling with removable screen |
| 05/18/2011 | CN201836590U Pipeline freeze protection and heat insulation control system |
| 05/18/2011 | CN201835325U Comprehensive water supply system |
| 05/18/2011 | CN201835324U Ultrasonic water tank for secondary water supply for top floor residents of rise building |
| 05/18/2011 | CN201835323U Automatic water supplementing device for water tank |
| 05/18/2011 | CN201835321U Energy-saving anti-freezing device of running water pipe and water pipe for solar water heater |
| 05/18/2011 | CN201835320U Tap-water pipe defrosting device |
| 05/18/2011 | CN201835319U On-line detecting device for building reclaimed water |
| 05/18/2011 | CN201835318U Buffer tank device |
| 05/18/2011 | CN201835315U Novel water environment treatment system in residential district |
| 05/18/2011 | CN101413127B Method for preventing elution of lead and/or nickel from copper alloy piping material such as valve or pipe joint and copper alloy piping material |
| 05/12/2011 | DE102009060539B3 Mischmodul für eine Vorrichtung zur Wasserbehandlung Mixing module for a device for water treatment |
| 05/11/2011 | CN201827496U Negative-pressure preventive control valve |
| 05/11/2011 | CN201826356U Integrative pipe network pressure-superposed water supply equipment |
| 05/11/2011 | CN201826355U Negative pressure-free water supply equipment with ultraviolet sterilizer |
| 05/11/2011 | CN201826354U Fully automatic water supply device with double-closed loop controller |
| 05/11/2011 | CN201826353U Bidirectional water supply and constant pressure water supply system |
| 05/11/2011 | CN201826352U Spherical negative pressure prevention water supply equipment |
| 05/11/2011 | CN201826350U Automatic air supply device of air pressure water supply tank |
| 05/11/2011 | CN201826347U Direct-type negative pressure-free current-stabilizing water supply device |
| 05/11/2011 | CN201826346U Totally-enclosed vacuum suppressor |
| 05/11/2011 | CN201826321U Engineering precipitation water cyclic utilization system |
| 05/11/2011 | CN102051897A Environmentally-friendly electricity-saving water supply equipment |
| 05/10/2011 | CA2133930C Device for inspection of water pipelines for physical integrity and method |
| 05/05/2011 | WO2011053237A1 Tap liquid savings in a liquid distribution system |
| 05/05/2011 | US20110100488 Steam trap assembly and method of operation |
| 05/05/2011 | US20110100362 Pneumatic Shunt Resistance and Gas Mixer |
| 05/04/2011 | CN201817850U Opening type compound pressure water supply equipment |
| 05/04/2011 | CN102046891A Flow control device and flow control method |
| 05/04/2011 | CN102041830A Box-type complete water supply device with integrated water storage and variable-frequency constant-voltage lamination water supply |
| 05/04/2011 | CN102041828A Tap water antifreezing device |
| 05/04/2011 | CN102041827A 防冻水管 Freezing pipes |
| 04/27/2011 | EP2313564A1 Water distribution systems |
| 04/27/2011 | CN201809813U Intelligent non-negative pressure domestic water supply system |
| 04/27/2011 | CN201809810U Automatic air-compensating type air pressure tank |
| 04/27/2011 | CN201809809U Diversion quality grading water supply device |
| 04/27/2011 | CN201809802U Water supply device for tunnels |
| 04/27/2011 | CN102033969A Water supply network management system and method |
| 04/27/2011 | CN102031805A Additive pipe pressure water supply system for super high rise building |
| 04/27/2011 | CN102031801A Steam condensate water recovering method and special device thereof |
| 04/26/2011 | US7931810 Water purification system and method |
| 04/26/2011 | US7931047 Arrangement of line connections for installations in an aircraft passenger cabin |
| 04/26/2011 | CA2493053C Mixing sillcock |
| 04/26/2011 | CA2473239C Device for remote inspection of steam generator tubes |
| 04/21/2011 | WO2011047246A2 Reconfigurable water flushing and sampling device |
| 04/20/2011 | CN201801924U Disinfected life frequency conversion water supply equipment |
| 04/20/2011 | CN201801921U Water inflow control device for water tower |
| 04/20/2011 | CN201801920U Fully closed pipe network pressure-superposed water supply apparatus |
| 04/20/2011 | CN201801916U Automatic water saving device |
| 04/20/2011 | CN201801914U Leakage preventer used for connector of outgoing line of pressure water pipe |
| 04/20/2011 | CN201801913U Box body of outdoor type pipe network laminating water supply device |
| 04/20/2011 | CN201801912U Direct additive pressure water supply device without negative pressure |
| 04/20/2011 | CN201801911U Automatic water pressure control device |
| 04/20/2011 | CN201801910U Interface device of outdoor type pipe network pressure-superposed water supply device |
| 04/20/2011 | CN102021932A Automatic water feeding apparatus of water storage tank |
| 04/19/2011 | US7926501 Subsea pressure systems for fluid recovery |
| 04/16/2011 | CA2681881A1 Water pump controller for buildings with trucked water and/or sewer |
| 04/13/2011 | EP2309030A1 A method of reducing the quantity of lead released by bronze and/or brass water-system components into liquids that are intended for human consumption |
| 04/13/2011 | EP2307938A1 Flow control system |
| 04/13/2011 | CN201795101U Manually and electrically controlled frost valve |
| 04/13/2011 | CN201794117U Gas jacking fire water supply equipment |