| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 09/10/2008 | CN101260679A Water-supply pipe network automatic negative-pressure preventing control device |
| 09/04/2008 | DE102007010436A1 Connecting intermediate piece for attaching to a water treatment unit on pipes of a household water supply comprises a servomotor and an electronic control device for controlling the servomotor |
| 09/03/2008 | EP1964983A1 Device for self-actuating flushing of water pipes |
| 09/03/2008 | CN201109918Y Full-automatic non negative pressure supply equipment |
| 09/03/2008 | CN101255708A Voltage-compensating water supply installation and method without additional infection of common ductwork hydraulic pressure |
| 09/03/2008 | CN101255707A Automatic intellectual water system |
| 08/27/2008 | EP1812168A4 Paint delivery and application apparatus and method |
| 08/27/2008 | CN201106182Y Full-automatic ductwork directly-joining non negative pressure supply equipment |
| 08/20/2008 | EP1959141A2 Improvements in water supply systems |
| 08/20/2008 | CN101245605A Non-negative pressure water service system |
| 08/13/2008 | EP1955013A1 Shape-acceleration measurement device and apparatus |
| 08/13/2008 | CN201099880Y Mute pressurized water-feeder improvement |
| 08/13/2008 | CN201099879Y Coal mine down-hole water-taking filter |
| 08/13/2008 | CN101240556A Water supply equilibration adjusting method and device for circulating water system |
| 08/12/2008 | CA2397174C Pc multimedia-based leak detection system for water transmission and distribution pipes |
| 07/31/2008 | WO2008091159A1 A system and method for using a micro power plant |
| 07/30/2008 | EP1950354A2 System separator |
| 07/24/2008 | US20080173357 Structured hot water demand flow control system with accommodation for thermal expansion |
| 07/23/2008 | CN201089954Y Automatic heft water supply facility |
| 07/22/2008 | US7402029 Remedies to prevent cracking in a liquid system |
| 07/17/2008 | US20080169249 Filtering the water, radiating the filtered water as the water leaves the water supply system to inactivate micro-organisms; shower head, sprinkler, irrigation nozzle |
| 07/16/2008 | CN201087446Y Hydraulic cooperation device |
| 07/16/2008 | CN201087442Y Household dual-purpose automatic water supply supercharger |
| 07/16/2008 | CN201087441Y Relay pressurization non-negative pressure secondary water supply equipment for super high-rise building |
| 07/16/2008 | CN201087440Y Lip shaped double-sealing vacuum eliminator |
| 07/16/2008 | CN101220606A Dual-control intelligent laminating water service system |
| 07/16/2008 | CN101220605A Automatic relay water supply equipment control system for super high-rise and control method |
| 07/10/2008 | DE102005052385B4 Druckminderer Pressure reducer |
| 07/10/2008 | CA2574075A1 Auxiliary water supply for a building |
| 07/09/2008 | CN201082969Y Box-type frequency conversion water feeder |
| 07/09/2008 | CN101215845A Divided water supply device |
| 07/02/2008 | CN201080624Y Inversion type water hammer absorber |
| 07/02/2008 | CN201080623Y Full-automatic negative-pressure free energy-saving water-supply installation |
| 07/02/2008 | CN201080622Y Negative-pressure free water supply system |
| 07/02/2008 | CN101210425A Municipal ductwork pressure protector |
| 07/02/2008 | CN101210424A Vacuum suppresser |
| 07/02/2008 | CN101210423A Non negative pressure controller |
| 06/25/2008 | CN201078006Y Digitisation water pool pipe network stacking water-supply installation |
| 06/25/2008 | CN201078005Y Tall building pipe network overlying water-supply installation |
| 06/25/2008 | CN100396857C Differential pressure type air-supplementing energy storage tank |
| 06/19/2008 | DE102004028759B4 Strömungssensor Flow sensor |
| 06/18/2008 | CN201074343Y Storied building water supply pipe equipped with pressure-limiting device |
| 06/17/2008 | US7387114 Heating device for a fluid line and method of manufacture |
| 06/11/2008 | EP1930509A1 Intermediate connector piece to prevent water damage |
| 06/11/2008 | EP1773480B1 Dosing system for dosing of a liquid additive into a pressurized water supply line |
| 06/11/2008 | CN201071523Y Non-negative pressure water supply equipment for pump in tank |
| 06/11/2008 | CN201071521Y Non-negative pressure water supply equipment for standby waterhead of self-drilled well |
| 06/11/2008 | CN201071520Y Non-air pollution limited-pressure water-taking and constant-pressure water-supplying device |
| 06/04/2008 | EP1038990B1 Method of reducing elution of lead in lead containing copper alloys for drinking water service |
| 06/03/2008 | CA2302283C Pollutant interceptor |
| 05/29/2008 | WO2008038123A3 Actuator installation bracket, and valve actuator assembly and fluid shutoff system employing the same |
| 05/29/2008 | WO2008020367A3 A break pressure tank |
| 05/29/2008 | US20080121291 High flow calibration test point |
| 05/29/2008 | DE102007011228A1 Pressure reducer with spar adjustment function used in drinking water systems in buildings, has adjustable indicator with scale, markings and pointers for showing detected pressure values and pressure values for optimum pressure regulation |
| 05/29/2008 | DE102006054912A1 Connection adapter for mounting water treatment device at pipe line, has electronic control device to receive measuring signals from flow rate measuring device, where actuator and electronic control device close or open closure device |
| 05/28/2008 | CN201065546Y Intelligent negative pressure-free pressurizing water tank |
| 05/28/2008 | CN201065544Y Negative pressure-free continuous frequency conversion water supply installation |
| 05/28/2008 | CN101187216A Adjustable automatic water separater |
| 05/28/2008 | CN101187215A Full-automatic current limiting type negative pressure-free pipe network Pressure-superposed water supply equipment |
| 05/27/2008 | US7377286 Drain valve |
| 05/22/2008 | WO2008058591A1 Fluid line |
| 05/22/2008 | US20080115835 Structure of straight-out controllable ceramic valve of anti-freezing faucet |
| 05/21/2008 | CN201062367Y Freshwater steady pressure jar for ocean platform and automatic water-supplying system thereof |
| 05/21/2008 | CN201062366Y Tap-water supplying pipe system |
| 05/20/2008 | US7373787 Portable, potable water recovery and dispensing apparatus |
| 05/15/2008 | US20080110279 Energy/Water Usage Monitor |
| 05/14/2008 | EP1421309B1 Temperature actuated valve |
| 05/14/2008 | CN201058999Y Relay type non-negative pressure waterworks |
| 05/14/2008 | CN201058998Y High-building relay type non-negative pressure frequency-changing waterworks |
| 05/13/2008 | CA2477276C Portable, potable water recovery and dispensing apparatus |
| 05/08/2008 | WO2008052593A1 Frost resistant container for extinguishing fluid |
| 05/08/2008 | US20080105310 Valve Assembly for Gas Container |
| 05/08/2008 | DE202008003044U1 Anschlussarmatur End fittings |
| 05/07/2008 | CN201056721Y Compensation balance device in high and low pressure area |
| 05/07/2008 | CN201056720Y Back pressure non-return device for gas in high and low pressure area |
| 05/07/2008 | CN201056719Y Vacuum eliminator for water supply facility |
| 05/07/2008 | CN201056718Y Intelligent layered self-adapting water supply system for high building pipeline |
| 05/07/2008 | CN201056717Y Vacuum eliminator for water supply system |
| 05/06/2008 | US7368019 Washing the liquid-contacting part of a plumbing device plated with nickel alloy with a cleaning fluid including nitric acid and hydrochloric acid as inhibitors to remove nickel and to form a protective coating film |
| 05/06/2008 | US7367748 Method of installing tracer wire with pipeline utilizing horizontal directional drilling |
| 05/01/2008 | US20080099094 Water Saving Device |
| 04/30/2008 | CN201053131Y Negative pressure free water supplying device for household using and fire fighting |
| 04/30/2008 | CN100385186C Portable drinking water extracting and distributing device |
| 04/29/2008 | US7363936 Leakage catch basin and configurable storage unit |
| 04/24/2008 | WO2008047147A1 Improvements in or relating to water supply systems |
| 04/24/2008 | US20080092964 Three-in-one water-supply pipe system with accessories |
| 04/23/2008 | EP1913568A2 Hand cleanliness |
| 04/23/2008 | CN201050088Y Negative pressure free water supplying device with water-storing tank |
| 04/23/2008 | CN201050086Y Negative pressure free water tank frequency conversion water supplying system |
| 04/10/2008 | WO2008020407A3 Water supply management system |
| 04/09/2008 | EP1908157A1 Device for protection against frost and uses thereof |
| 04/09/2008 | CN201045199Y Pipe network non-negative-pressure stacked pressure increase water supply facility |
| 04/09/2008 | CN201045198Y Non negative-pressure water-supply installation |
| 04/09/2008 | CN101158444A Household moderate water apparatus |
| 04/03/2008 | WO2008038123A2 Actuator installation bracket, and valve actuator assembly and fluid shutoff system employing the same |
| 04/03/2008 | DE10362140B4 Gefriertaugliche Einrichtung eines Kraftfahrzeugs Frozen Ready means a motor vehicle |
| 04/03/2008 | CA2664605A1 Actuator installation bracket, and valve actuator assembly and fluid shutoff system employing the same |
| 04/02/2008 | CN201043280Y Partial ductwork laminating supply equipment combining with water container |
| 03/27/2008 | WO2008034566A1 Shut-off valve for liquid-carrying pipes |
| 03/26/2008 | CN201040858Y Anti-freezing device for tap water terminal |