Patents for E03B 5 - Use of pumping plants or installations; Layouts thereof (1,213) |
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11/24/2004 | EP1479911A1 Small-size surge tank unit for domestic water systems |
11/11/2004 | WO2004097122A1 Water storage and supply system |
10/20/2004 | CN1172090C Multi-stage variable pressure water supply pump for supply of water in city |
09/08/2004 | CN2639365Y Automatic water pumping switch |
08/19/2004 | US20040161341 Drinking water pumping system |
07/27/2004 | US6766822 Method of water distribution and apparatus therefor |
07/21/2004 | EP1438464A1 Method of water distribution and apparatus therefor |
05/27/2004 | DE202004001210U1 Deep well for arid areas uses underwater injector connected to water pump with suction pipe to feed container |
04/22/2004 | US20040076524 Water supply system |
04/13/2004 | US6718999 Cold water supply systems |
03/24/2004 | CN1143036C Method of water distribution and apparatus therefor |
03/17/2004 | CN1482313A Water-saving device for stool flush |
03/16/2004 | US6705339 Surge check unit for a liquid distribution system |
02/11/2004 | CN1474000A Percolation water intaking method of new engineering structure |
01/01/2004 | US20040000346 Water pump structure by siphonage |
12/31/2003 | CN1464146A Water service complete plant for building and water supplying method |
12/04/2003 | US20030221723 Surge check unit for a liquid distribution system |
11/20/2003 | WO2003072219A3 Self-cleaning fluid filter system |
11/11/2003 | US6644929 Pressure regulating valve |
10/07/2003 | US6629542 Rapid installation mobile water modifying system and related methods |
09/04/2003 | WO2003072219A2 Self-cleaning fluid filter system |
09/04/2003 | CA2477238A1 Self-cleaning fluid filter system |
09/03/2003 | CN1120316C Respirator of closed pressure-constant water supply system for high building |
08/25/2003 | CA2419932A1 Water pressure system with pressure tank installed within well casing of well |
07/31/2003 | US20030143092 Water supply system |
07/15/2003 | US6592342 Water supply system |
07/10/2003 | US20030127145 Rapid installation mobile water modifying system and related methods |
05/28/2003 | CN2553011Y High efficient energy-saving water-supply device |
05/21/2003 | CN1419021A Rain water drecovery device for roof of building |
05/07/2003 | CN2549050Y Multistage pressure varying water supply pump |
04/23/2003 | CN2546505Y Complete equipment for supplying water to buildings |
04/23/2003 | CN2546504Y Peasant family automatic obtaining and storing water system |
03/27/2003 | US20030056825 Cold water supply systems |
03/26/2003 | EP1295996A2 Cold water supply systems |
03/20/2003 | US20030052277 Method of water distribution and apparatus therefor |
03/12/2003 | CN1401911A Multi-stage variable pressure water supply pump for supply of water in city |
02/26/2003 | CN1399046A Automatically pressure-regulating industrial-frequensy water supply system |
12/25/2002 | CN2527591Y Energy-saving waste water lifting utilization device |
12/11/2002 | CN2525129Y 卫生供水机 Health Water Machine |
11/27/2002 | CN2522468Y Domestic running-water machine |
10/23/2002 | CN2517790Y Urban water supplying multi-stage pressure variable pump |
10/15/2002 | US6463956 Method of water distribution and apparatus therefor |
10/09/2002 | CN2515255Y Deedwater well variable frequency water supply energy-saving room |
08/21/2002 | CN2506705Y Single machine frequency modulating speed regualting constant pressure water supply device for deep water well |
07/31/2002 | CN2503120Y Flow balance device of hydropress |
07/25/2002 | WO2002016703A3 Pressure maintenance assembly |
06/04/2002 | US6397873 Method and apparatus for temporarily increasing the transport capacity of the water supply system in case of a calamity |
05/28/2002 | US6393775 Utilities container |
04/25/2002 | US20020046844 Pressure regulating valve |
04/03/2002 | CN2484360Y Re-utilizing apparatus of building living-water |
04/03/2002 | CN1082118C 泵站 Pumping |
03/27/2002 | CN2483431Y Full automatic vacuum water regulating device |
03/21/2002 | US20020034669 Decreased electric power consumption and which can make it easy to discharge the produced water to drive the fuel cell in an adequate manner |
03/20/2002 | CN2482561Y Non-tank pipe type automatic supplying water equipment |
03/12/2002 | US6354763 Pumping plant |
02/28/2002 | WO2002016703A2 Pressure maintenance assembly |
02/28/2002 | CA2419968A1 Pressure regulating valve |
12/26/2001 | CN2467587Y Vacuum steam water lifter from deep well |
12/20/2001 | US20010052364 Method of water distribution and apparatus therefor |
12/19/2001 | CN2466223Y Small tap water device |
12/19/2001 | CN1327111A Energy saving method for water supply engineering |
12/12/2001 | CN1326524A Method of water distribution and apparatus therefor |
11/28/2001 | CN2461968Y Non-negative pressure water supply appts. |
11/07/2001 | CN2458350Y Device capable of making water pump pumpwater from lower place |
11/07/2001 | CN1320748A Respirator of closed low-level pressure-constant water supply system for high building |
10/03/2001 | CN1315604A Water-saving system for using seawater in life and industrial purpose |
09/26/2001 | CN2450269Y Improved constant-pressure pressure water supply apparatus |
09/12/2001 | CN2447407Y Double-basin automatic water-saving device |
09/12/2001 | CN2447396Y Automaitc water-drawing up water pump for deep well |
08/29/2001 | CN2444997Y Automatic electric control cabinet for water supply |
08/29/2001 | CN2444996Y Intelligent constant-pressure water supply equipment control device |
08/29/2001 | CN2444995Y Water supply device without bottom valve |
08/29/2001 | CN2444876Y Bidirection floating pump station |
08/29/2001 | CN1310273A Household plumbing system |
07/04/2001 | CN2437745Y Water treating device |
06/27/2001 | EP1111242A1 Flow regulator for water pump |
06/27/2001 | CN2436562Y Automatic controller for reusing domestic waste water |
06/19/2001 | US6247490 Booster station |
05/29/2001 | US6237629 Apparatus for positive water retention and circulation in storage tanks |
02/28/2001 | CN2421333Y Domestic automatic pipe pressurizing pump |
02/21/2001 | CN2420333Y Integrate energy storage water supply device of energy saving atomospheric water tank |
02/14/2001 | CN2419272Y Pressure controlled water tank |
01/03/2001 | CN1060240C Fully automatic constant pressure water supply equipment |
12/20/2000 | CN2411280Y Small-sized pneumatic water supply installation |
12/13/2000 | CN2410331Y Enclosed running water supply device |
10/11/2000 | CN2400505Y Moving well pump automatic elevator |
10/04/2000 | CN2399451Y Automatic diversion appts. |
09/06/2000 | CN2394959Y Full automatic water purifying and supply device from well |
09/05/2000 | US6113356 Hydraulically liftable mobile pumping apparatus |
08/23/2000 | CN2392821Y House-hold high-volumetric-proportion ground-surface automatic water-supplying apparatus |
08/23/2000 | CN2392820Y Automatic water-pumping device |
08/16/2000 | EP1028199A1 Method and apparatus for temporarily increasing the transport capacity of the water supply system in case of a calamity |
08/02/2000 | CN2389928Y Immersible pump specially adapted for building fire-fighting |
05/24/2000 | CN2379527Y Intelligence type full automatic water supply controller with variable volume and constant pressure |
04/06/2000 | WO2000019024A1 Method of water distribution and apparatus therefor |
10/13/1999 | CN1231365A Pump station |
10/06/1999 | CN1230618A Multifunctional peasant family well |
06/30/1999 | CN2326641Y Constant-pressure water-supplying device |
05/19/1999 | CN1216793A Variable-frequency, speed-regulation and constant pressure water supply equipment and method for high buildings |
05/11/1999 | US5901744 Water supply system for a water source with limited flow capability |