Patents
Patents for E03B 1 - Methods or layout of installations for water supply (1,879)
01/1996
01/11/1996DE19509508A1 Toilet flushing system using used water
11/1995
11/16/1995DE4428757A1 Operating rainwater recycling plant
11/14/1995US5465434 Water conservation system for home installation
11/09/1995DE4416038A1 Rainwater utilisation device for indoor domestic applications
11/02/1995WO1995029299A1 Device and process for reusing waste wash water
10/1995
10/27/1995CA2122165A1 Domestic water recuperator for toilet use
10/26/1995DE4414207A1 Device for preparation and providing non-potable domestic water
10/24/1995US5460196 Fluid supply pressure control method and apparatus
10/18/1995EP0677130A1 Water management system.
10/11/1995CN2209694Y Water supply support with quantity-adjustable valve
10/11/1995CN1110061A Equipment for storing water for miscellaneous use
10/03/1995US5454936 Vacuum toilet system
09/1995
09/26/1995US5452956 Grey water recirculation system with odor prevention
09/26/1995US5452740 Water conservation system
09/21/1995WO1995025203A1 Water recycling apparatus
09/05/1995US5448476 Distributed water flow predicting device
08/1995
08/10/1995DE4404053A1 Controller for rainwater tanks, prevents the pump running dry and overfilling
06/1995
06/13/1995CA1335859C Vacuum toilet system
06/07/1995EP0656448A1 Equipment for storing water for miscellaneous use
06/06/1995US5421040 Vacuum toilet system
05/1995
05/24/1995CN2198311Y 自动给水设备 Automatic water supply equipment
05/18/1995DE4331299A1 Drain and overflow fitting for secondary use of bath water etc.
05/03/1995CN2196138Y 弹性球式自动供水装置 Elastic ball automatic water supply device
04/1995
04/18/1995US5406657 Water recycling device for flush toilet use
04/12/1995EP0632873A4 Water conserving wastewater disposal system.
04/04/1995US5403498 Gray water reuse control system
03/1995
03/09/1995DE4330395A1 Washing machine or dishwasher with a secondary utilisation of the rinsing water
01/1995
01/25/1995CN1097829A Apparatus for predicting flow of water supplying
01/12/1995DE4323990C1 Rainwater-utilisation plant with a filter device
01/11/1995EP0632873A1 Water conserving wastewater disposal system
12/1994
12/22/1994DE4319290A1 Apparatus for utilising rainwater
12/08/1994WO1994028258A1 Equipment for storing water for miscellaneous use
11/1994
11/17/1994EP0624798A1 Monitoring process consumption rates of additives
10/1994
10/29/1994CA2122233A1 Monitoring process consumption rates of additives
10/06/1994DE4410169A1 Optional water separation in the area of sanitary installations
09/1994
09/29/1994DE4335113A1 Two-fold utilisation of water in WC units
09/13/1994US5345625 Bath/shower water recycling system
09/13/1994CA2070016C Electric multi-point positioner
08/1994
08/23/1994US5339859 Water conservation system
07/1994
07/21/1994WO1994016157A1 Water management system
06/1994
06/28/1994US5323810 Sullage diversion valve
06/07/1994US5317766 Gray water recycle system
05/1994
05/26/1994WO1994010892A1 Water recycling device for flush toilet use
05/24/1994US5313677 Dual outlet bathtub drain valve and water conservation system
05/11/1994DE4233494A1 Anlage zum Sammeln von Brauchwasser aus Regenwasser System for collecting process water from rainwater
04/1994
04/27/1994CN1024361C Automatic water supply system for high building
04/14/1994WO1994008102A1 System for recovering water for domestic use from rain water
03/1994
03/23/1994CN2159414Y Water supply
03/23/1994CN2159413Y Unpowered negtive-pressure water supply apparatus for mineral shaft
03/17/1994WO1994005866A1 Apparatus and method for waste water recycling
03/03/1994DE4228804A1 Domestic flushing water supply for WC tanks - reduces use of drinking quality water by connection to settling tank catching waste water from baths, showers, wash-basins and/or washing machines
02/1994
02/17/1994DE4227020A1 Connection unit with automatic fresh water feed - supplies fresh water only when cistern level is insufficient
02/10/1994DE4327673A1 Ecological toilet flushing system - is designed with two systems, one for used bath water with own cistern and other with connection to existing toilet flushing cistern e.g. electrically or electronically operated
02/09/1994CN1081735A Method for energy-accumulating and gaining water-supplying
01/1994
01/05/1994DE4328014A1 Waste water sepn. - using light chamber in collection tank to determine if water can be used to flush toilets
01/05/1994CN2152007Y Waste water secondary using device
01/04/1994US5274861 Gray water recycling system
12/1993
12/15/1993EP0574241A1 Fluid supply pressure control method and apparatus
11/1993
11/16/1993CA2068843A1 Water recovery apparatus called recupereau
11/06/1993CA2095195A1 Sullage diversion valve
10/1993
10/13/1993EP0565426A1 Method and device for saving water
10/12/1993US5251346 Compact, modular
10/06/1993CN1076984A Automatic fire supply system in water pressure sensing mode
09/1993
09/30/1993WO1993019320A1 Water conserving wastewater disposal system
09/30/1993CA2131698A1 Water conserving wastewater disposal system
09/21/1993US5245711 Vacuum toilet system
09/14/1993US5243719 Gray water recycle system
08/1993
08/26/1993DE4205305A1 System for reducing fresh water use for WC cistern - has collection tank for used water from washing facility and with fresh water top up and pumped feed to WC cistern.
07/1993
07/29/1993DE4202088A1 Water recycling device for bathtubs, showers, etc. - includes storage containers, each connected to dispensing device(s)
07/15/1993DE4200895A1 Toilet flushing system using water from other appliances - pumps waste-water from washing machine and bath into overhead tank with electronic level gauge for storage
07/13/1993US5226451 Flow selector valve
07/03/1993CA2058689A1 Apparatus for supplying water at constant and elevated pressure to a post mix beverage dispensing unit
06/1993
06/10/1993WO1993011310A1 Water storage fencing system
06/08/1993US5217323 Method and apparatus for distributing graywater
06/08/1993US5217042 Residential waste water disposal system
05/1993
05/18/1993US5210886 Dual outlet bathtub drain valve for water conservation system
04/1993
04/22/1993DE4134272A1 Water recycling device for industry or households - has a distribution vessel connected to the storage container via a tube and an intermediate pump
03/1993
03/18/1993WO1993005246A1 Improvements in and relating to water distribution
03/10/1993EP0530859A2 Vacuum toilet system
03/09/1993US5192426 Water reclamation system for landscape irrigation
01/1993
01/21/1993DE4123803A1 Collector tank for repeated use of waste water in aircraft - has special container enabling wash basin drain water to be used for toilet flushing
01/13/1993EP0522741A1 Electric multipoint positioner for a rotary component
01/05/1993US5175892 Fresh water control system and method
12/1992
12/29/1992CA1311987C Fresh water control system and method
12/08/1992US5168586 Device for collection, storage, and use of shower waste water
11/1992
11/26/1992DE4116813A1 Appts. for treating grey water from washing etc. - includes collection tank biotechnological pre-cleaning to produce water for flushing toilets etc.
11/17/1992US5164643 Electric multi-point positioner for a rotary component
11/03/1992US5160606 Gray water recovery system with ozone treatment
10/1992
10/21/1992CN2119444U Multi-energy type water supplying installation
10/14/1992CN2118755U Installation for supplying hot water and cold water
10/14/1992CN1065308A Standalone household automatic water supply system
09/1992
09/17/1992DE4108069A1 Flush system for lavatory - has pump, to feed bath water into storage tank, with connection to cistern
09/16/1992CN2116027U Water feeder
09/15/1992US5147532 Domestic grey water purifier using diverter and UV filter treater with preheater
08/1992
08/12/1992CN1017824B Pumping plant
07/1992
07/01/1992CN2108837U Simple float ball valve
06/1992
06/17/1992DE4201307A1 Water storage and supply system - collects rainwater in tanks in garden or cellar and pumps it through separate circuit to toilets
06/17/1992CN2107486U Full automatic step pneumatic water feeder
06/10/1992CN2106852U Closed hidden water supply installation
04/1992
04/21/1992US5106493 Gray-water reclamation and reuse system
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