| Patents for E03B 7 - Water main or service pipe systems (5,081) |
|---|
| 09/02/1986 | CA1210798A1 Pipe thawing apparatus |
| 07/15/1986 | CA1207631A1 Freezeproof valve assembly |
| 06/11/1986 | EP0184084A2 Connecting armature for water-preparing arrangements |
| 03/11/1986 | US4575614 Pipe thawing apparatus |
| 01/29/1986 | EP0169260A1 Combined branch and valve element for cold water distribution networks |
| 01/14/1986 | US4563780 Automated bathroom |
| 12/31/1985 | US4562552 Method and apparatus for controlling pressure and flow in water distribution networks |
| 12/10/1985 | US4557252 Freeze protection valve and system |
| 09/03/1985 | US4538637 Freeze proof faucet |
| 07/30/1985 | US4531538 Water supply winterizing system |
| 06/18/1985 | US4523605 Freeze preventing valve |
| 06/11/1985 | US4522219 Freeze preventing valve |
| 06/04/1985 | US4520836 For controlling water flow from a water supply pipe to a hydrant standpipe |
| 05/14/1985 | US4516794 Meter pit mounted holder for a water flow control device |
| 04/02/1985 | US4508130 Method and apparatus for repairing water leaks |
| 11/27/1984 | US4484594 Freeze guard valve |
| 11/13/1984 | US4481966 Waterline freeze protection system |
| 10/09/1984 | US4475570 Anti-syphon freezeless water hydrant |
| 09/04/1984 | US4469118 Icing preventor |
| 08/15/1984 | EP0116005A1 Apparatus for protection against freezing in water meters and water taps |
| 07/17/1984 | US4460006 Freeze protection valve |
| 07/03/1984 | US4457326 System for providing temporary water service between a water main and one or more locations normally connected to the main |
| 06/26/1984 | US4456024 Freeze protection valve assembly |
| 05/22/1984 | US4449553 Electrically heated pipe thawing apparatus |
| 04/04/1984 | EP0104263A2 Device for the fixation of drain pipes |
| 03/20/1984 | US4437481 To prevent freezing of exposed water pipes |
| 12/27/1983 | US4423311 Electric heating apparatus for de-icing pipes |
| 08/16/1983 | US4398789 Opto-electronically controlled bathing systems |
| 02/01/1983 | US4371569 Method for reinforcing and repairing piping |
| 11/23/1982 | US4360036 Thermostatic self-powered drain valve |
| 10/26/1982 | US4355652 Purging device |
| 10/12/1982 | US4353608 System of collectors for conduits in a dwelling |
| 08/17/1982 | US4344450 Icing preventor |
| 08/10/1982 | CA1129576A1 Polyethylene composition for water service pipes |
| 07/06/1982 | US4337793 Copper-alloy tube water supply |
| 07/06/1982 | US4337785 Method using copper-copper-alloy tube for water supply |
| 05/11/1982 | US4329083 Methods of laying underground conduits |
| 05/04/1982 | US4327761 Thermostatic self-powered drain valve |
| 05/04/1982 | CA1122877A1 Frost free liquid transfer system |
| 04/20/1982 | CA1122100A1 Self-actuating variable rate water pipe bleeder |
| 04/07/1982 | EP0048906A2 Water conduit arrangement having connecting means for taps |
| 03/30/1982 | US4321908 Prevention of freeze damage to liquid conduits |
| 02/09/1982 | US4314580 Faucet structure |
| 02/02/1982 | US4314140 Pipe thawing apparatus |
| 02/02/1982 | US4313452 Self-actuating variable rate water pipe bleeder |
| 01/12/1982 | CA1116145A1 Thermostatic self-powered drain valve |
| 01/05/1982 | US4308824 Apparatus for reinforcing and repairing piping |
| 11/03/1981 | US4298021 Winterizing apparatus for recreational vehicles, vacation homes and the like |
| 09/01/1981 | US4286617 Water system freeze protection apparatus |
| 09/01/1981 | US4286613 Apparatus for and method of freeze protecting plumbing |
| 03/03/1981 | CA1096785A1 Protective unit for water pipes and a method for setting the unit |
| 02/17/1981 | US4250925 Pipe unfreezer |
| 02/10/1981 | CA1095372A1 Pipe thawing machine |
| 01/07/1981 | EP0022119A2 System of collectors for pipes in an orientable dwelling |
| 01/06/1981 | US4243062 Thermostatic self-powered drain valve |
| 12/30/1980 | CA1092485A1 Two-way valve closing at balanced pressure condition |
| 12/16/1980 | US4239054 Water pressurizing installation |
| 12/02/1980 | CA1090860A1 Electric pipe thawing apparatus with current sensing means |
| 12/02/1980 | CA1090675A2 Backflow prevention apparatus |
| 08/05/1980 | US4215726 Protective unit for water pipes and a method for setting the unit |
| 06/24/1980 | US4209033 Vacuum breaker valve |
| 06/17/1980 | CA1079610A1 Pipe thawing device |
| 06/10/1980 | US4206777 Vacuum breaker valve and stem packing assembly |
| 06/03/1980 | US4205698 Detachable water pipe freeze preventing device |
| 04/22/1980 | CA1076036A1 Integrated cleanable filter, pressure reducer, check valve |
| 04/02/1980 | EP0009375A1 Improvements in and relating to liquid supply systems |
| 06/19/1979 | US4158366 Sillcock with water relief system |
| 12/05/1978 | CA1043698A1 Connection between water tubes |
| 11/28/1978 | CA1043107A1 Shower head liquid dispenser |
| 11/07/1978 | US4124039 Pipe thawing machine |
| 10/10/1978 | US4120033 Apparatus and method for determining pumping system head curves |
| 08/29/1978 | US4110603 Plastic pipe heater |
| 08/01/1978 | US4103701 Freeze-proof cap for outdoor faucet |
| 07/25/1978 | US4102358 Pipe thawing device |
| 06/27/1978 | US4096877 Freezeproof sanitary water supply appliance |
| 01/03/1978 | US4066090 Water cock with non-freezing valve |
| 08/16/1977 | US4042021 Connection between water tubes |
| 05/10/1977 | US4022243 Frost proof sillcock |
| 02/22/1977 | US4009063 Method of lining a pipe |
| 06/15/1976 | US3963036 Shut-off valve excavator |
| 06/15/1976 | US3962733 All weather safety shower |