| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
|---|
| 08/27/1998 | WO1998037282A1 Sewer pipe |
| 08/27/1998 | DE19705857A1 Vortriebsrohr mit Verriegelungsmuffe A bore tube with locking sleeve |
| 08/27/1998 | DE19700784C1 Drainage pipe lining process |
| 08/26/1998 | EP0860645A2 Renovation method of sewer pipes and tubular liner for use in such a method |
| 08/26/1998 | CN2289001Y Single pipe type drain-pipe connection |
| 08/20/1998 | WO1998036206A1 Drive pipe and locking bell |
| 08/13/1998 | WO1998034742A1 Improved means and method for lining underground pipes using a spirally wound plastic strip |
| 08/12/1998 | EP0857277A1 Device for repairing pipelines |
| 08/11/1998 | US5791378 Method for lining a conduit |
| 08/06/1998 | DE19703315A1 Lining and cleaning system for underground pipeline |
| 08/05/1998 | CN1189560A Permeating unobstructed water discharging appts. for athletic field |
| 07/29/1998 | EP0855547A1 Device for the repair of ducts |
| 07/28/1998 | CA2145126C Pipe laying system and method |
| 07/23/1998 | WO1998032043A1 Fibre-optic cable network |
| 07/23/1998 | DE19701787A1 Lichtwellenleiterkabelnetz und Verfahren zum Verlegen eines Lichtwellenleiterkabelnetzes Fiber optic cable and method for laying an optical fiber cable network |
| 07/16/1998 | WO1998030350A1 Device for trenchless replacement of underground pipe |
| 07/15/1998 | EP0853211A1 Robot and robot arm for the repair of ducts |
| 07/15/1998 | EP0853209A2 Seal assembly on precast concrete parts |
| 07/15/1998 | EP0853165A1 Circulating drainage system for sewage pipe installation work |
| 07/15/1998 | EP0853164A1 Circulating drainage system for sewage pipe installation work |
| 07/15/1998 | EP0651839B1 Drainage channel |
| 07/14/1998 | US5779948 Method of lining a pipeline using a constant extrusion pressure |
| 07/14/1998 | US5779393 Drainage channel grates for athletic playing surfaces and associated methods |
| 07/14/1998 | US5778937 Method of making leakproof sites of entry of domestic connector pipes and similar feed pipes into sewers |
| 07/09/1998 | DE19750219A1 Opening in concrete or cast part, especially for communications cable |
| 07/02/1998 | WO1998028499A1 A flow regulator in a surface water system |
| 07/01/1998 | CN1186191A 真空阀控制器 A vacuum valve controller |
| 07/01/1998 | CN1038916C Method and apparatus for installing pipe liner |
| 06/17/1998 | EP0734604B1 Cable duct element |
| 06/17/1998 | CN1185200A Process and equipment for pulling pipes laid or to be laid in the ground |
| 06/09/1998 | US5762450 System and method for relining sewer pipe sections with inspection capability |
| 06/03/1998 | EP0845628A1 A pipe coupling |
| 05/13/1998 | EP0841440A1 Method of joining concrete members, joined construction and molding die |
| 05/13/1998 | EP0841138A1 Method and device for marking concrete pipes |
| 05/07/1998 | DE19646341C1 Device for laying pipes below ground |
| 05/06/1998 | EP0839967A1 Water cut off junction member for concrete products to be joined together |
| 04/30/1998 | DE19644582A1 Water drain in building floor |
| 04/30/1998 | DE19644357A1 Branch pipe for connection to concrete main |
| 04/29/1998 | CN2280192Y Special shaped pipe elements |
| 04/28/1998 | US5743676 Method and device for keeping outfall drainage in service during sewerage construction |
| 04/23/1998 | DE19643175A1 Reconstruction method for stacks of e.g. water pipes |
| 04/23/1998 | DE19640697A1 Device for transport and manipulation of tool implement within drain pipe of channel network |
| 04/16/1998 | DE19640698A1 Seal for repairing drain water pipe |
| 04/16/1998 | DE19622938A1 Ventilator for drain water ducting |
| 04/09/1998 | DE19641365A1 Repair device for house service connections, especially sewage pipes |
| 04/07/1998 | US5735638 Apparatus for lining a trench |
| 04/07/1998 | US5735637 Method and apparatus for supporting and anchoring drainage channel sections |
| 03/24/1998 | US5729937 Modular gutter for drainage channels |
| 03/19/1998 | WO1998011300A1 The dewatering flume |
| 03/18/1998 | EP0828964A1 Connector for concrete pipes |
| 03/17/1998 | US5727904 System for testing a pipe |
| 03/12/1998 | WO1998010148A1 Underground pipe repair |
| 03/12/1998 | DE19634909A1 Assembly for rapid repair of sewage pipes eliminating finishing |
| 03/12/1998 | DE19634599A1 Plastics plate for embedding in concrete, mortar, bulk material or in ground |
| 03/11/1998 | CN2276042Y Adjustable joint for pipeline |
| 03/10/1998 | US5725328 System and process for relining sewerage pipe sections |
| 03/04/1998 | EP0826838A2 Vacuum valve controller |
| 03/04/1998 | EP0728244B1 Access gully |
| 03/04/1998 | CN1175225A Surfacting or rehabilitating structures without supporting forms |
| 03/03/1998 | US5722699 Flexible entry seal arrangement |
| 02/17/1998 | US5718537 Trench drain |
| 02/12/1998 | DE19647232A1 Panel cladding concrete walls of building structures, pipelines or vessels preventing ingress or egress |
| 02/12/1998 | DE19643950C1 Bonding of plastics plates to concrete walls |
| 02/05/1998 | DE19630709A1 Inspection and leakage testing and possibly of rehabilitation of sewer pipes and side ducts |
| 02/04/1998 | EP0821753A1 Sump-vented controller mechanism for vacuum sewerage transport system |
| 01/29/1998 | DE19631537A1 Hull for water craft |
| 01/28/1998 | EP0821111A2 Prefabricated concrete manhole element with a plastic liner |
| 01/27/1998 | US5711636 System for lining a pipe |
| 01/27/1998 | US5711536 Seal component for use in on-site poured concrete or plastic tank or box components of fluid distribution systems |
| 01/27/1998 | CA2139407C Method and apparatus for aligning drainage channel sections |
| 01/22/1998 | WO1998002624A1 Method and apparatus for controlling expansion and contraction of trench liners |
| 01/21/1998 | EP0819231A1 Branched sewer re-lining |
| 01/21/1998 | CN1171141A Water flushing closet |
| 01/20/1998 | US5709504 Pipe rehabilitation pulling mandrel |
| 01/14/1998 | EP0817936A1 Process and device for pulling a pipe laid or to be laid in the ground |
| 01/14/1998 | EP0511363B1 Vacuum sewerage system with increased lift capabilities having electric air admission controllers |
| 01/07/1998 | EP0797499A4 Surfacing or rehabilitating structures without supporting forms |
| 01/06/1998 | US5704657 Flexible joint for a culvert |
| 12/31/1997 | WO1997049947A1 Piping milling robotic device |
| 12/30/1997 | US5702204 Apparatus for connecting and aligning frame member sections of a trench |
| 12/30/1997 | US5702129 Riser assembly for underground pipe connections |
| 12/29/1997 | EP0814203A2 Drainage system |
| 12/29/1997 | EP0814202A2 Drainage system |
| 12/29/1997 | EP0814201A2 Drainage system |
| 12/29/1997 | EP0813666A1 Hat-shaped connection sleeve for house service connections in sewer pipes |
| 12/18/1997 | WO1997047825A1 Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 12/04/1997 | WO1997045601A1 Method of joining concrete members, joined construction and molding die |
| 12/04/1997 | DE19719311A1 Heat exchanger |
| 12/03/1997 | EP0697050B1 Process for lining a channel and fitting and withdrawal slide for implementing it |
| 11/27/1997 | DE19719759A1 Water collection pipe for bridge overflow for simplified fitting |
| 11/27/1997 | DE19717746A1 Device for cleaning inlet for waste water container with resin-impregnated material |
| 11/27/1997 | DE19620953A1 Repair machine for water pipelines |
| 11/27/1997 | DE19620916A1 Sealing joint for header pipes in concrete sewerage systems |
| 11/27/1997 | DE19620489A1 Method for cleaning of old residues in walkable main waste pipelines |
| 11/25/1997 | US5691050 Concrete molding with improved acid resistance |
| 11/19/1997 | EP0807782A2 Pipe joint |
| 11/19/1997 | CN2268063Y Drainage trough of reinforced concrete |
| 11/13/1997 | DE19702649A1 Packing pig for reclaiming pipework |
| 11/13/1997 | DE19627312C1 Channel cutting robot for sanitation or waste pipes |
| 11/12/1997 | CN2267369Y Permeable blind pipe |