| Patents for E03B 1 - Methods or layout of installations for water supply (1,879) |
|---|
| 03/18/1999 | DE19740642A1 Process for rendering grey water fit for re-use |
| 03/18/1999 | DE19740061A1 Process for treating grey water, especially bath water |
| 03/11/1999 | DE19735805A1 Supplying deep sea-water for use as a cooling and-or heating medium |
| 03/10/1999 | CN2310096Y Constant-pressure pollution-free water-supply implement for apartment type high storied building |
| 03/04/1999 | DE19816734A1 Drinking water recovery and reuse system for domestic use, etc. |
| 02/09/1999 | US5868937 Process and system for recycling and reusing gray water |
| 01/20/1999 | CN2304695Y Orifice clear water mixer |
| 01/07/1999 | EP0889174A2 Water recycling device for lavatory flushing |
| 12/17/1998 | DE19724827A1 Water plant to purify bath water for use in flushing toilets |
| 12/10/1998 | WO1998055402A1 Method and device for sewage treatment |
| 12/08/1998 | US5845346 For utilizing gray water for flushing a toilet |
| 11/19/1998 | DE19720704A1 Domestic water supply |
| 11/19/1998 | DE19720511A1 Supply installation, particularly for feeding user water network from cistern |
| 10/28/1998 | EP0757738B1 Device and process for reusing waste wash water |
| 10/21/1998 | EP0871591A1 Filtration tank and means for subsequent purification of waste water |
| 10/15/1998 | DE19714597A1 Two=way drain valve for wash-basin, sink, shower or bath |
| 09/23/1998 | CN2292121Y Steel structure well chamber for getting into room of central heating |
| 09/02/1998 | EP0861357A1 A device in a waste disposal system in a building |
| 08/26/1998 | EP0860558A1 A fluid supply system from network to user, with fluid separation, and pressurization of user fluid exploiting the network fluid pressure |
| 08/26/1998 | CN2288997Y Mechanical fully automatic self-balanced air make-up pressure water supply device |
| 08/19/1998 | CN2288215Y Auto-controller for running water |
| 08/19/1998 | CN2288213Y Water supply device |
| 07/29/1998 | EP0855473A2 Device and process for reusing grey water |
| 04/30/1998 | DE19642873A1 Recovery-recycling circuit for washing and shower water |
| 04/22/1998 | EP0836661A1 Water recycling system and method and devices therefor |
| 04/22/1998 | CN2279385Y Tower type waterwheel |
| 04/02/1998 | DE19639957A1 Rainwater utilisation plant |
| 03/26/1998 | WO1997049874A3 Waste water control system |
| 03/25/1998 | CN1177041A Full automatic and constant pressure water supply equipment for household use fire-fighting |
| 03/18/1998 | EP0829792A1 Water distributing installation controllers |
| 03/12/1998 | DE19634595A1 Apparatus for service water filtration |
| 03/04/1998 | CN2275602Y Multifunctional water supplying equipment for fire controlling and life |
| 02/04/1998 | CN2273739Y Air-pressure automatic water supply equipment |
| 02/04/1998 | CN2273738Y Universal and fully automatic type energy-accumulation and water supply equipment |
| 02/04/1998 | CN2273691Y Mobile type multi-function automatic water supply equipment used in rural area |
| 02/02/1998 | CA2182531A1 Water conservation system |
| 01/28/1998 | CN2273333Y Energy-saving pneumatic installation water supply |
| 01/28/1998 | CN1171471A Water dispenser |
| 01/28/1998 | CN1171470A Kischarge device of purified water storage for water dispenser |
| 01/21/1998 | CN1170799A Cover apparatus for purified water storage tank of water dispenser |
| 01/19/1998 | CA2181501A1 Waste water recycling system |
| 12/31/1997 | WO1997049874A2 Waste water control system |
| 12/31/1997 | CA2241443A1 Waste water control system |
| 12/03/1997 | EP0750703B1 Water recycling apparatus |
| 11/30/1997 | CA2177624A1 Recirculating plumbing system |
| 10/31/1997 | CA2175447A1 Semi-used water tanks supplying a toilet bowl |
| 10/29/1997 | EP0803015A1 Water supply system |
| 10/21/1997 | CA2121943C Secondary sink |
| 10/02/1997 | DE19624219A1 Water feed to rainwater system |
| 09/18/1997 | WO1997033676A1 Gray water reclamation system |
| 09/17/1997 | CN2262572Y Pressure differential water tank automatic water supply device |
| 09/03/1997 | EP0792674A1 Sanitary installation for the multiple use of drinking water |
| 08/21/1997 | WO1997030233A1 System for non-potable water reuse |
| 08/20/1997 | CN2260105Y Pressure water pumping installation |
| 08/06/1997 | CN2258888Y Automatic water supply device |
| 07/30/1997 | EP0785912A1 Water reuse system |
| 07/24/1997 | DE19602098A1 Water collection and utilisation system, to reduce fresh water requirement in domestic toilet cisterns |
| 05/09/1997 | WO1997016608A1 A device in a waste disposal system in a building |
| 04/15/1997 | US5620594 Water management system |
| 03/19/1997 | CN2249776Y Automatic air controlling water reservoir |
| 03/06/1997 | DE19509467A1 Waste water processing plant |
| 02/26/1997 | EP0677130B1 Water management system |
| 02/12/1997 | EP0757738A1 Device and process for reusing waste wash water |
| 01/30/1997 | WO1997003254A1 Domestic water treatment system |
| 01/29/1997 | CN2246170Y Energy saving jet frequency converting speed control water feeder |
| 01/23/1997 | WO1997002388A1 Water recycling system and method and devices therefor |
| 01/23/1997 | WO1997002387A1 Sanitary system and method for utilization of used household water |
| 01/23/1997 | DE19541189A1 Water supply system e.g. for washing machines, etc. |
| 01/02/1997 | EP0750703A1 Water recycling apparatus |
| 01/02/1997 | DE19522433A1 Combined domestic waste water and organic refuse treatment system |
| 12/19/1996 | DE19509466A1 Liq. storage tank with closable inlet and outlet |
| 12/05/1996 | DE19519209A1 Bathroom water and filtration assembly collects water for discharge to toilet |
| 11/13/1996 | CN2239985Y Water-storage pressure bucket |
| 11/13/1996 | CN1135556A Binary flow-changing water pump combined pressure-stabilized water-supplying method |
| 11/12/1996 | US5573677 Washing machine rinse water recovery apparatus and method |
| 10/31/1996 | DE19501511C1 Cistern with automatic fresh water top-up system |
| 10/09/1996 | CN1132815A Small pneumatic water supply equipment for both daily use and fire extinguishment |
| 10/02/1996 | CN2236508Y Alternative top pressure water supplier |
| 09/25/1996 | CN2235709Y Multi-function hand-press, electric automatic high-pressure water supplyer |
| 09/24/1996 | US5557812 Waste water reuse system |
| 09/18/1996 | EP0732457A2 Process and device for reclaiming grey water |
| 09/11/1996 | CN1130705A Device for washing toilet bowl using waste water |
| 08/28/1996 | CN2233949Y Domestic water supply tank |
| 08/01/1996 | DE19502354A1 Method of using household waste water for toilet flushing |
| 07/04/1996 | WO1996020134A1 Filtration tank and means for subsequent purification of waste water |
| 07/04/1996 | CA2209110A1 Filtration tank and means for subsequent purification of waste water |
| 06/12/1996 | CN2228931Y Domestic automatic water supply device |
| 06/11/1996 | US5524666 In a pressurized potable water piping system |
| 05/23/1996 | WO1996015327A1 Water supply system |
| 05/15/1996 | DE4435304C1 Grey water purification and recycling plant which may be installed in habitable buildings |
| 04/18/1996 | WO1996011170A1 Water reuse system |
| 04/10/1996 | CN1120106A Water supply apparatus without water pump for high building |
| 04/04/1996 | DE19536771A1 Domestic rainwater utilisation system |
| 03/27/1996 | CN2223309Y Water supply automatic boost control |
| 03/12/1996 | US5498330 Gray water reclamation system including plural filtration steps |
| 03/07/1996 | CA2122330A1 Water flushing system |
| 03/05/1996 | US5496468 Waste water management system with an auxiliary reservoir |
| 02/22/1996 | DE4429201A1 Water supply system for use with mixed sources |
| 02/09/1996 | CA2155266A1 Waste water reuse system |
| 01/11/1996 | DE4421668A1 Waste washing water re-cycling system |