| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 10/02/1996 | EP0735204A1 Pressure raising device |
| 10/02/1996 | DE19608482A1 Mixing fitting with separate outlet for liquid, such as clean water |
| 10/02/1996 | CN2236509Y Pipe pressure controller |
| 09/19/1996 | DE19608781A1 Distributor arrangement for water maintenance in buildings, e.g. heating and drinking water |
| 09/19/1996 | DE19509419A1 Demand-dependent circulation pump control for central hot water supply |
| 09/18/1996 | EP0731864A1 Method of achieving the uniform quality of water |
| 09/17/1996 | CA2051166C Abandonment of a branch main |
| 09/11/1996 | EP0731307A1 Pipe for conveying drinking water |
| 09/11/1996 | CA2171353A1 Potable water transportation tube |
| 09/10/1996 | US5553637 Frost-free water supply |
| 09/05/1996 | DE19606979A1 Water fine filtration unit with back washed filter |
| 09/03/1996 | US5551473 For protecting against damage due to freezing of fluids |
| 08/27/1996 | US5549010 Readily serviceable ancillary fluid filtration system having visual flow rate indicator and quick-release fluid hose fitting |
| 08/22/1996 | DE19537565A1 Domestic water supply filter station preceded by water treatment station |
| 08/14/1996 | DE19504697A1 Multi stage filter for drinking water |
| 08/14/1996 | DE19504254A1 Backflush water filter with particle etc. collector |
| 08/14/1996 | DE19500848C1 Adaptor fitting for emergency supply of water house connection |
| 08/14/1996 | CN1128849A Drain valve |
| 08/13/1996 | US5545322 Cold and hot water combination filtering faucet |
| 08/13/1996 | US5545314 Shower water filter assembly |
| 08/08/1996 | DE19503403A1 Regelvorrichtung für eine Wasserversorgungsanlage Control device for a water supply system |
| 08/08/1996 | CA2186996A1 Device for regulating a water supply plant |
| 08/07/1996 | CN2232458Y Negative pressure water uptake supply equipment |
| 07/31/1996 | EP0723822A1 Cleaning apparatus for water pipes |
| 07/31/1996 | EP0610339A4 Fluid flow control system. |
| 07/30/1996 | CA2081010C Non-stagnant piping system |
| 07/26/1996 | CA2135156A1 Eagle water circulating back-up system |
| 07/24/1996 | EP0673456B1 Process for hydraulically branching an open stream and canal branch with hydraulic operation |
| 07/23/1996 | US5538043 Method and apparatus for preventing pipe damage |
| 07/23/1996 | US5538031 Recreational vehicle winterizing device |
| 07/21/1996 | CA2140721A1 Frost proof water system |
| 07/18/1996 | WO1996021843A1 Fluid filtration system having visual flow rate indicator |
| 06/26/1996 | EP0718606A2 Water meter housing |
| 06/19/1996 | EP0716624A1 Filtering device |
| 06/18/1996 | US5527395 Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution |
| 06/18/1996 | US5526617 Tamperproof conduit concealing system |
| 06/12/1996 | CN2228903Y Spiral-flow spheric filter screen dirt removing device |
| 05/30/1996 | DE4441677A1 Application of internal mineral coating to domestic water piping |
| 05/28/1996 | US5520207 Remotely monitored tamper bar for a backflow preventer |
| 05/23/1996 | DE4447090C1 Feeder station for local transfer of cold or hot water and gas |
| 05/22/1996 | CN1122844A Process for reducing lead leachate in brass plumbing components |
| 05/17/1996 | WO1996014093A1 Water purifier |
| 05/15/1996 | CN2227161Y High-efficiency energy-saving thermal insulating roof |
| 05/14/1996 | US5515883 Waste line stoppage detector and automatic water shutoff system |
| 05/09/1996 | WO1996013639A1 Valves |
| 05/09/1996 | DE4439832A1 Water installation arrangement with cylinder unit |
| 05/09/1996 | CA2203800A1 Valves |
| 05/01/1996 | EP0708865A1 Electrically operated stop-cock for mains water supply |
| 04/24/1996 | EP0708209A1 Set of tube-shaped armatures for water supply-, sanitary-, heating-, gastechnique etc |
| 04/24/1996 | CN2225468Y Household water purifier |
| 04/17/1996 | EP0706583A1 Sodium water-glass solutions with high orthophosphate contents for corrosion protection in the field of drinking-water supplies |
| 04/16/1996 | US5507310 System of plumbing for recreational vehicles |
| 04/04/1996 | DE4437547C1 Water tap connection to main |
| 04/02/1996 | US5503175 Water safety system |
| 03/27/1996 | CN2223131Y Water filter with pipeline inlet valve |
| 03/16/1996 | CA2132140A1 Device for flushing water |
| 03/13/1996 | CN1118400A Dismountable long distance water supply in mountainous area |
| 03/07/1996 | DE4430870A1 Cleaning system for water pipework |
| 03/06/1996 | EP0699806A1 Housing for the restitution of waste water especially in a supply installation |
| 02/28/1996 | EP0698191A1 Plumbing fixture carrying drinking water comprised of a copper alloy |
| 02/22/1996 | DE4438265C1 Filtering, purifying and sterilising small quantities of food or water |
| 02/15/1996 | DE19529197A1 Draining valve with thermoplastic housing for plastic pipes |
| 02/14/1996 | EP0696699A1 Drain valve |
| 02/13/1996 | US5490921 Two water purifying, recirculating and heating apparatus |
| 02/12/1996 | CA2155624A1 Drain valve |
| 02/07/1996 | EP0695833A1 Process for reducing lead leachate in brass plumbing components |
| 02/07/1996 | EP0695150A1 Device for supplying fresh water to at least one user |
| 02/06/1996 | US5488968 Method for preventing freezing of water in a water pipe |
| 02/06/1996 | US5488856 Monitor for growth and deposit |
| 02/01/1996 | WO1996023936A1 Device for regulating a water supply plant |
| 02/01/1996 | DE4426024A1 Valve for tank drain pipe |
| 01/25/1996 | DE4425448A1 Chimney for multi-storey house with integral cabling shafts |
| 01/17/1996 | EP0593683B1 Monitor for determining the formation of deposits and the growth of microorganisms on surfaces |
| 01/17/1996 | CN2217647Y Precast reinforced cement-tube capable of being fitted with detecting instrument without cutting-off water |
| 01/17/1996 | CN2217646Y Enclosed double-tube running-water supplying machine |
| 01/11/1996 | DE19513775A1 Single-piece cpd. pipe wrap-round unit incorporates magnets |
| 01/10/1996 | EP0690944A1 Method of cleaning and maintaining potable water distribution pipe systems |
| 01/03/1996 | CN2216544Y Anti-freezing device for water tap |
| 01/03/1996 | CN1114367A Improvements relating to potable water supply components |
| 12/28/1995 | WO1995035419A1 Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution |
| 12/27/1995 | EP0688908A1 Valve arrangement |
| 12/25/1995 | CA2152313A1 Valve assembly for the selective operation of a plurality of parallely connected liquid treatment apparatuses |
| 12/21/1995 | DE4420965A1 Method for exchanging gas or water meter without interrupting supply |
| 12/20/1995 | CN2215523Y Fully-automatic jet-stream pressure-stabilizing energy-storage water supply device |
| 12/13/1995 | CN2214964Y New-type water supply system |
| 11/29/1995 | CN2213756Y Water-saving frostbite valve |
| 11/23/1995 | WO1995031664A1 Valve/seal assembly and use thereof, in particular in a water metering unit |
| 11/22/1995 | EP0683245A1 Method for treating a potable water supply component made of a copper-based alloy |
| 11/18/1995 | CA2149499A1 Potable water supply components |
| 11/15/1995 | EP0682204A1 Pipe blocking technique |
| 11/07/1995 | US5464327 Water pressure control system |
| 11/02/1995 | EP0642596B1 Brass alloy |
| 11/01/1995 | CN2211455Y Anti-freezer of tap |
| 10/26/1995 | DE4418396A1 Flow duration monitoring device for domestic water supply |
| 10/18/1995 | EP0677619A2 Diverter and water purifier having same |
| 10/10/1995 | CA2088198C Method of lining a pipe |
| 10/05/1995 | DE4410865A1 Control of pump used to circulate hot water to provide heating |
| 10/05/1995 | DE4410864A1 Demand controlled hot water circulation appts. |
| 10/04/1995 | EP0675235A1 Drain funnel |
| 10/03/1995 | US5454876 Process for reducing lead leachate in brass plumbing components |