Patents for E03B 11 - Arrangements or adaptations of tanks for water supply (5,564) |
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06/15/1988 | CN86209630U Automatic drinking water impounding unit for storied building |
06/08/1988 | CN87208683U Automatic air supplying membrane type pneumatic water-supply installation |
06/08/1988 | CN87201541U Automatic cistern |
05/17/1988 | US4744193 Injecting mixture of polyisocyanate or prepolymer having isocyanate end groups and 2-pyrrolidone; curing with water |
05/11/1988 | CN87205211U Intermittently automatic water feeding and draining device |
04/13/1988 | CN87208984U Automaton for controlling liguid level |
04/05/1988 | US4735524 Method and plant for storing fresh water |
03/30/1988 | CN87209389U 双水位控制器 Dual water level controller |
03/23/1988 | CN87212032U Full capsuliform water supply device |
02/03/1988 | CN87209216U Water heating tank |
12/31/1987 | CN87201756U Water supply equipment with automatic air supplement and automatic pressure balance |
12/16/1987 | EP0248799A1 Utility water distribution system. |
12/02/1987 | CN87206161U Horizontal diaphragm pneumatic water tank |
10/20/1987 | US4700734 Water collecting and spring box and gauging system and holding tank |
10/06/1987 | US4697614 Water conservation system |
09/16/1987 | EP0236608A1 Improvements in and relating to water supply systems |
09/15/1987 | US4693271 Horizontally mounted submersible pump assembly |
09/12/1987 | CN86201850U Multipurpose domestic water storage tank |
07/15/1987 | CN86208066U Diaphragm type water-supplying tank |
07/15/1987 | CN85205098U Pressure-type water-supplying device |
07/07/1987 | US4678565 Purified water storage system with accumulator tank and diaphragm responsive valves |
06/09/1987 | US4671317 Water supply systems |
05/12/1987 | US4664143 External water tower |
05/06/1987 | CN85107908A Circulating use of industrial wasted-water |
03/05/1987 | DE3530727A1 Device for reducing the water evaporation in an open water reservoir |
02/03/1987 | CA1217311A1 Storage tank construction |
01/31/1987 | CN85109054A Water-sealed self-compensating air-pressure water supply device |
09/23/1986 | US4612951 Water-storage reservoir |
08/14/1986 | WO1986004628A1 Utility water distribution system |
08/06/1986 | CN85203272U Diaphragm-type air-compressed tank |
07/22/1986 | CA1207970A1 Demountable portable reservoir structure |
06/17/1986 | CA1206009A1 Pressure-vacuum vent |
06/10/1986 | CA1205704A1 Boiler feed water deaerator spray valve turbulence shield |
05/14/1986 | CN85202675U Large power installation for water fed automatically |
05/10/1986 | CN85108427A Improvements in and relating to water supply systems |
03/18/1986 | US4576552 Air and water volume control apparatus for hydropneumatic tanks |
01/15/1986 | EP0168361A2 A water-storage reservoir |
12/18/1985 | EP0164821A1 Covers |
07/09/1985 | US4527927 Water harvesting and storage system |
05/28/1985 | US4519418 Water well pumping system |
01/01/1985 | US4491150 Outdoor water holding and pumping system |
05/29/1984 | US4450855 Removable condensate collector for elevated water storage facilities |
05/01/1984 | US4445537 Boiler feed water deaerator spray valve turbulence shield |
01/31/1984 | US4428507 Collapsible container with accordion pleated sidewalls, air vent and swivel valve outlet |
08/23/1983 | US4400271 Captive air system for water well |
08/17/1982 | US4344741 Automatic water supply system |
06/22/1982 | US4335977 Water storage and distribution system |
05/25/1982 | CA1124184A1 Water treatment unit |
04/27/1982 | US4326818 Techniques for the storage of water |
02/02/1982 | US4313457 Removable condensate collector for elevated water storage facilities |
10/13/1981 | US4294311 Method of and arrangement for the seasonal storage and use of hot water produced in particular by electrical power-generating thermal and nuclear stations |
01/27/1981 | US4247260 Pressure regulated water supply system |
08/26/1980 | US4219428 Water reservoir |
03/18/1980 | US4193417 Fluid check valve device |
02/12/1980 | CA1071503A2 Faucet assembly |
11/06/1979 | CA1065737A1 Well system |
09/19/1979 | EP0004057A1 Pressure tank for a pressure-regulated water supply system |
09/19/1979 | EP0004056A1 Pressure-regulated water supply installation |
07/03/1979 | US4159736 Method of and arrangement for the seasonal storage and use of hot water produced in particular by electrical power-generating thermal and nuclear stations |
03/27/1979 | CA1051358A1 Bottom structure for liquid treating apparatus |
02/27/1979 | US4141391 Water lifting system |
11/30/1976 | US3994812 Double bottom tank structure with sleeved strainer means |
11/16/1976 | US3991783 System for rapidly building an air cushion over liquid in a tank |
08/31/1976 | US3977474 Emergency reserve water and foam generating system |