| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
|---|
| 12/20/1988 | US4792493 Corrosion resistant coating and liner combination |
| 12/06/1988 | US4789268 Device and method for removing irregularities in or enlarging an underground duct |
| 12/01/1988 | DE3716973A1 Pipe and sealing fitting |
| 12/01/1988 | DE3716568A1 Process and apparatus for measuring existing connections on a sewer and fitting new connections at in each case the same location on an inner pipe drawn into the sewer |
| 12/01/1988 | DE3715653A1 Apparatus and process for repairing a sewer pipe |
| 11/29/1988 | US4787773 Surface drainage system |
| 11/17/1988 | WO1988008939A1 Device for operation in pipelines |
| 11/17/1988 | EP0291011A1 Rerounding apparatus |
| 11/01/1988 | CA1243870A1 Barrier with internal ducts and construction method |
| 09/21/1988 | EP0282907A2 Cleaning conduits for waste water or sewage |
| 08/30/1988 | US4767236 Sewer renovation by expanding a liner within the sewer and placing a new pipe within the expanded liner |
| 08/23/1988 | CA1241033A1 Gasket suitable for use in sealing exterior of sewer pipe to opening in manhole, and method and system employing same |
| 08/11/1988 | WO1988005884A1 Method of renovating and/or protecting sewers and pipes |
| 07/19/1988 | CA1239328A1 Vacuum sewerage system with in pit breather |
| 07/12/1988 | US4756644 Rerounding apparatus |
| 06/29/1988 | CN87210982U Building dewatering coupling pipe with sight hole |
| 06/16/1988 | DE3641324A1 Lining tube for an underground pipeline and process for the production thereof |
| 05/31/1988 | CA1237285A1 Method and mechanism for the installation of plastic pipes in sewage piping |
| 05/19/1988 | WO1988003598A1 Tunnel or sewer lining system |
| 05/19/1988 | DE3639107A1 Operating process for producing lateral branches on concrete pipes, in particular sewer pipes, and diamond drilling tool for this purpose |
| 05/05/1988 | WO1988003245A1 Method and device for replacing damaged pipes buried in the ground |
| 04/28/1988 | DE3636358A1 Sewerage system |
| 04/28/1988 | DE3635100A1 Device for plugging together two pipes |
| 04/13/1988 | CN85102951B Pipe propelling device |
| 04/05/1988 | US4735234 Buried large cross-section conduit |
| 03/31/1988 | DE3727963A1 Kanalsystem und kanaldeckplatten, insbesondere fuer abwasser- und niederschlagswasserkanaele sowie verfahren zur ausgestaltung des systems Channel system and channel cover plates, especially for sewerage, niederschlagswasserkanaele and proceed to the configuration of the system |
| 03/24/1988 | DE3631265A1 Plug-in seal for socket pipes |
| 03/10/1988 | WO1988001707A1 Method and apparatus for internally lining a duct |
| 03/09/1988 | EP0258324A1 Process for restoring channels threatening to collapse, in particular profiled channels. |
| 03/01/1988 | US4728223 Methods of renovating sewers |
| 02/25/1988 | DE3627556A1 Apparatus for repairing sewers |
| 02/09/1988 | US4724108 With lateral branch openings |
| 02/03/1988 | CN87205921U Sewer pipe made of glass fibre |
| 01/20/1988 | EP0253588A1 A method of lining a fluid conduit, apparatus for use in said method and a carrier for use in a fluid conduit |
| 01/20/1988 | EP0253450A2 Device for applying a lining to the interior wall of a pipe, in particular a concrete sewer pipe |
| 01/20/1988 | EP0253013A1 Method for restoring a pipeline buried in the ground |
| 01/07/1988 | EP0251607A2 Sewer renovation |
| 01/07/1988 | DE3622167A1 Process for the underground, water-tight connection of service pipes, produced underground, to existing main pipes |
| 12/29/1987 | US4715570 Foldable drain hose support |
| 12/16/1987 | EP0152408B1 Method of depositing a membrane within a conduit |
| 12/10/1987 | DE3618963A1 Process and apparatus for connecting a sewage pipe to a service pipe or the like which opens transversely therein |
| 12/02/1987 | EP0168452B1 Cuff for sealing joints of pipes |
| 11/17/1987 | CA1229329A1 Shaping element for manhole opening and gasket |
| 11/04/1987 | EP0243424A1 A floor mounted pipe installation in buildings and a method of providing such an installation |
| 10/27/1987 | US4702274 Quick disconnect for sewage system |
| 10/27/1987 | CA1228554A1 Method of depositing a membrane within a conduit |
| 09/24/1987 | DE3620026A1 Process and apparatus for repairing sewerage systems or the like comprising concrete or stoneware pipes |
| 09/23/1987 | EP0238168A1 Method and apparatus for moulding curved concrete sections |
| 09/17/1987 | DE3608498A1 Sewer pipes |
| 09/11/1987 | WO1987005365A1 Process for restoring channels threatening to collapse, in particular profiled channels |
| 09/10/1987 | DE3607207A1 Heat exchanger |
| 08/20/1987 | DE3605233A1 Retaining apparatus on installation carriages for drawing short plastic pipes with a lateral branch-off opening into sewer pipes to be renovated |
| 08/19/1987 | EP0232664A1 Duct unit for a plurality of network systems |
| 08/11/1987 | US4685704 Cuff for sealing joints of pipes |
| 07/30/1987 | DE3602281A1 Apparatus for treating sewer pipes laid underground |
| 07/23/1987 | DE3601757A1 Flexible sliding seal |
| 07/08/1987 | EP0227657A1 Method at water supply and sewerage system and system for water supply and sewerage |
| 07/07/1987 | US4678370 Sewer renovation system |
| 06/11/1987 | DE3543438A1 Device for fastening joint seals on structural parts |
| 06/11/1987 | DE3542802A1 Plug-in sleeve seal for pipes |
| 06/04/1987 | DE3542427A1 Socketed-pipe connection |
| 06/02/1987 | US4670315 Process for providing a synthetic resin coating on a concrete structure |
| 05/26/1987 | US4668125 Self-contained, transportable apparatus for inserting a liner into a pipe |
| 05/19/1987 | CA1221921A1 Surface drainage system |
| 05/14/1987 | DE3539595A1 Sealing rings having an insert of water-swellable plastic |
| 05/12/1987 | US4664792 Water buffer separated from water recipient by flexible curtain |
| 05/12/1987 | CA1221551A1 Pipe laying and replacement |
| 05/07/1987 | WO1987002730A1 A floor mounted pipe installation in buildings and a method of providing such an installation |
| 04/28/1987 | US4661008 Joint structure for channels |
| 04/21/1987 | US4658561 Reinforcing member |
| 04/14/1987 | US4657449 Internal sewage line stub cutting tool having automatic bit adjustment |
| 04/14/1987 | US4657436 Device and method for removing irregularities in or enlarging an underground duct |
| 04/09/1987 | DE3535507A1 Sealing ring consisting of elastomeric material |
| 03/19/1987 | DE3533000A1 Socket pipe joint for plastic pipes |
| 03/11/1987 | EP0213777A2 Branch members for soil and waste systems |
| 02/26/1987 | DE3529112A1 Junction and a method for its production |
| 02/25/1987 | CN86101689A Building systems and components for use therein |
| 02/25/1987 | CN85105961A Device of suctorial transfer system used for liquid, especially for sewage |
| 02/12/1987 | DE3527220A1 Pipe passage for walls of building structures |
| 02/10/1987 | US4641993 Highway barrier with level internal ducts and construction method |
| 01/08/1987 | DE3524207A1 A hose line system for abstracting fluids |
| 01/08/1987 | DE3522790A1 Sliding ring for sealing socket-pipe connections |
| 12/31/1986 | WO1986007617A1 Method at water supply and sewerage system and system for water supply and sewerage |
| 12/23/1986 | US4630676 Remotely controlled hydraulic cutter apparatus |
| 12/23/1986 | CA1215652A1 Sewage flow control apparatus |
| 12/16/1986 | US4629363 Continuous conduit laying apparatus |
| 12/10/1986 | EP0204272A2 An intercepting sewer for conducting waste water down steep gradients |
| 10/21/1986 | US4618421 Conducting sewage or other wastes downstream in submerged tubes to disposal means |
| 10/15/1986 | CN85102951A Pipe propelling device |
| 10/07/1986 | US4615501 Accordion type hose holder |
| 10/02/1986 | EP0180625A4 Barrier with internal ducts and construction method. |
| 09/25/1986 | WO1986005544A1 The construction of tunnels or pipes for use in civil engineering works |
| 07/30/1986 | EP0188487A1 Large cross-section sunken conduit. |
| 07/08/1986 | US4598915 Gasket seal between sewer pipe and manhole opening |
| 06/11/1986 | EP0184366A1 Sewer renovation system |
| 05/20/1986 | US4589447 Method of depositing a membrane within a conduit |
| 05/14/1986 | EP0180625A1 Barrier with internal ducts and construction method. |
| 04/29/1986 | US4585371 Lining of tubular structures |
| 04/22/1986 | CA1203389A1 Method for installing elbows for sewers |
| 01/30/1986 | WO1986000683A1 Large cross-section sunken conduit |