Patents for E03F 3 - Sewer pipe-line systems (3,593) |
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11/20/1996 | EP0613537B1 Seal between two interlocking concrete components |
11/12/1996 | US5573351 Method and apparatus for relining or forming a trench |
11/12/1996 | US5573350 Method for cutting complexly shaped foamed plastic bodies from a workpiece and foam body products |
11/06/1996 | CN2239458Y Building water drain pipe connecting piece |
11/05/1996 | US5570715 Sump-vented controller mechanism for vacuum sewerage transport system |
10/31/1996 | WO1996034225A1 Method and apparatus for removal of utility line and replacement with polyolefin pipe |
10/31/1996 | WO1996034156A1 Sump-vented controller mechanism for vacuum sewerage transport system |
10/31/1996 | DE19520801C1 Sealing system for use between drainage channel sections |
10/30/1996 | EP0740102A2 Method and apparatus for renovating leaking pipe walls |
10/30/1996 | CN1134495A Water cut-off construction of side ditch |
10/30/1996 | CN1134493A Water cut-off construction of side ditch |
10/29/1996 | US5568995 Method and apparatus for adding a double liner to a trench |
10/23/1996 | CN2238273Y Flush type water drain pipe for toilet |
10/23/1996 | CN2238267Y Combined pipeline water drain funnel |
10/23/1996 | CN1133928A Method of jointing members and jointing structure |
10/22/1996 | US5566955 Seal between two telescopically insertable concrete components |
10/15/1996 | US5564857 Slutted drain |
10/10/1996 | WO1996031727A1 Branched sewer re-lining |
10/10/1996 | DE19512123A1 Boring system for underground pipeline |
10/10/1996 | CA2217465A1 Branched sewer re-lining |
10/03/1996 | WO1996030690A1 Process and device for pulling a pipe laid or to be laid in the ground |
10/03/1996 | CA2215169A1 Process and device for pulling a pipe laid or to be laid in the ground |
10/02/1996 | EP0734604A1 Cable duct element |
10/02/1996 | DE19513181A1 Verfahren und Vorrichtung zum Ziehen eines im Erdreich verlegten oder zu verlegenden Rohres Method and device for pulling a laid in the ground or pipe to be laid |
09/24/1996 | US5558882 Pipe paver finishing machine |
09/19/1996 | WO1996028685A1 Hat-shaped connection sleeve for house service connections in sewer pipes |
09/19/1996 | WO1996028615A1 Holding means for securing a liner to a trench |
09/17/1996 | CA2051166C Abandonment of a branch main |
09/12/1996 | DE19508188A1 Hutförmige Anschlußmanschette für Hausanschlüsse in Kanalrohren Hat-shaped connector sleeve for house connections in sewer pipes |
09/11/1996 | CN2234978Y Reinforced concrete sewer with steel bushing and steel joint |
09/10/1996 | US5553975 Method of installing underground pipes for sewer lines |
09/04/1996 | EP0705305A4 Improved structural strength coating and material |
08/29/1996 | DE19506146A1 Profile element for roadside sewage pipes |
08/28/1996 | EP0728244A1 Access gully |
08/21/1996 | EP0726846A1 Wastewater system rehabilitation using multi-layer liner |
08/08/1996 | DE19536051A1 Joint seal for sewer system pipe |
08/07/1996 | EP0725188A1 Flow dividing tube for flowing rain water |
08/07/1996 | EP0700496A4 Pipe liner composition |
08/02/1996 | CA2168151A1 Method of jointing members and a jointing structure |
07/31/1996 | EP0723642A1 Improvements in pipe lining |
07/25/1996 | DE19522579C1 Method of replacing underground pipes without excavating |
07/23/1996 | US5538755 Process for rehabilitation of sewer collection system structures |
07/23/1996 | US5538361 Apparatus for forming a trench |
07/23/1996 | US5538035 Plastic fluid distribution box with integrally fastened seal |
07/18/1996 | DE19545615A1 Draining system with building plot drain and rainwater pipes |
07/16/1996 | US5535770 Ejector device |
07/04/1996 | WO1996020316A1 Water closet |
07/04/1996 | DE4447237A1 Pipe lining system |
07/04/1996 | CA2206403A1 Flush toilet bowl |
06/26/1996 | EP0718446A2 Drainage channel with a channel body having a substantially U-shaped profile |
06/25/1996 | US5529436 Trench drain system |
06/20/1996 | WO1996018492A1 Surfacing or rehabilitating structures without supporting forms |
06/19/1996 | EP0717151A1 A flexible joint for culvert |
06/13/1996 | WO1996018002A1 Method and apparatus for adding a double liner to a trench |
06/13/1996 | CA2241785A1 A flexible joint for a culvert |
06/05/1996 | DE4443075A1 Method for laying pipes in trench |
06/05/1996 | DE19542617A1 Sealing system e.g. for bell or placement pipes |
06/05/1996 | CN1123865A Vacuum valve controller for vacuum sewer system backgraound of the invention |
06/04/1996 | US5522675 Method and apparatus for aligning drainage channel sections |
05/23/1996 | DE4441227A1 Method of repairing damaged pipes |
05/21/1996 | US5518336 Drainage gutter and method of installing |
05/14/1996 | US5516232 Runoff water diverter |
05/09/1996 | DE4439597A1 Repair system for underground pipes |
04/25/1996 | WO1996012134A1 Method and device for renovating drains |
04/25/1996 | DE4437699A1 Sewage pipe repair method |
04/25/1996 | DE4437599A1 Uniformly-heatable mat for use in tunnel or conduit restoration |
04/24/1996 | EP0510089B1 Method for lining the inside of an accessible pipe |
04/17/1996 | EP0707114A1 Structural component with a body molded from minerals |
04/10/1996 | EP0705947A1 Device for the replacement of tubes, in particular sewage tubes |
04/10/1996 | EP0705305A1 Improved structural strength coating and material |
03/28/1996 | DE4432115A1 Repair system for damaged drain lines in refuse dumps |
03/14/1996 | DE4432116A1 Pipe expander for widening, crushing and compressing old underground pipes |
03/13/1996 | EP0701030A1 Vacuum drainage system |
03/13/1996 | EP0700496A1 Pipe liner composition |
03/07/1996 | DE4431265A1 Elastic lining element for waste water collection pipes |
03/06/1996 | EP0643789B1 System and method of relining sewer pipe sections |
03/06/1996 | EP0643788B1 System and process for relining channel pipe sections with inspection facilities |
02/29/1996 | WO1996006299A1 Process for internally coating hollow bodies |
02/29/1996 | WO1996006298A1 Process for renovating feed and discharge pipes and shafts |
02/29/1996 | DE4429951A1 Verfahren zur Sanierung von Ver- und Entsorgungsleitungen und Schächten Method for restoring and sewer pipes and manholes |
02/22/1996 | WO1996005381A1 Trench cover assembly and method |
02/22/1996 | WO1996005377A1 System and apparatus for relining or forming a trench |
02/22/1996 | DE4429601A1 Verfahren zur Beschichtung von Leitungen und Schächten A method for coating pipes and shafts |
02/22/1996 | CA2173752A1 Trench cover assembly and method |
02/21/1996 | EP0697050A1 Process for lining a channel and fitting and withdrawal slide for implementing it |
02/15/1996 | DE4427608A1 Adaptor for connection opening in prefabricated concrete shafts |
02/14/1996 | EP0696701A1 A sealing ring device |
02/14/1996 | EP0565679B1 Method for the replacement of, in particular, sewage pipes, and a device for carrying out the method |
02/08/1996 | WO1996003553A1 Flow dividing tube for flowing rain water |
02/08/1996 | WO1996003548A1 Apparatus for forming a trench |
02/08/1996 | DE4427425A1 Controlling liquid flow in channel |
02/08/1996 | DE19526985A1 Fitting fastening cover on drain trough |
02/06/1996 | US5489163 Drainage channel |
02/01/1996 | DE4425940C1 Collecting tank for drainage channel system |
01/25/1996 | DE4426151A1 Resin soaked flexible fibre tube |
01/25/1996 | DE4426150A1 Method for leak proofing pipe connections |
01/17/1996 | EP0692583A2 Inlet device for drainage gutter system |
01/02/1996 | US5480260 Ground water collection method and apparatus |
12/26/1995 | US5478169 Method and apparatus for forming a trench |
12/26/1995 | CA2013808C Subterranean tubular earthwork and method of making same |