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