| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
|---|
| 11/11/1999 | WO1999057386A1 Vacuum-operated sewage system and air inlet valve |
| 11/11/1999 | DE19818990A1 Cable fixing element for use in cable conduit housing optical fibres |
| 11/04/1999 | DE19819568A1 Fluid pipeline system incorporating information cable or line |
| 11/04/1999 | DE19818951A1 Entwässerungsvorrichtung für wannenartige Bauwerke Dewatering device for trough-like structures |
| 11/04/1999 | DE19818061A1 Reinstatement of sewers and drains using resin-impregnated liner |
| 11/03/1999 | EP0953692A2 Drainage installation for tank-like constructions |
| 11/03/1999 | EP0953162A1 Fibre-optic cable network |
| 11/03/1999 | EP0952899A1 Device for trenchless replacement of underground pipe |
| 11/03/1999 | CN2346847Y Trace belt for underground pipeline |
| 10/26/1999 | US5971662 Trench drain |
| 10/21/1999 | WO1999053233A1 Sealing element for piping |
| 10/21/1999 | CA2327856A1 Sealing element for pipelines |
| 10/20/1999 | EP0950772A2 Branch connection |
| 10/19/1999 | US5967759 Basement flash flood control system |
| 10/09/1999 | CA2234373A1 Drain channel system |
| 10/07/1999 | DE19816368A1 Carrier used for laying cables in e.g. drain channels, avoiding obstruction |
| 09/29/1999 | CN2340825Y Quick joint of plastic pipes |
| 09/28/1999 | CA2164389C Flexible joint for a culvert |
| 09/22/1999 | CN2339643Y Drain-pipe of dish-washing sink |
| 09/22/1999 | CN2339642Y Air-jet type water-saving toilet closet |
| 09/21/1999 | US5954903 Applying internal lining to inner wall of a length of the main pipeline, forming transversely hole in the lining so as to expose the entrance, introducing a re-lining assembly into the pipe, inflating a packer press against wall |
| 09/10/1999 | WO1999045213A1 An arrangement in a drain system and a method for taking care of drain media |
| 09/10/1999 | CA2322808A1 An arrangement in a drain system and a method for taking care of drain media |
| 08/25/1999 | EP0759135B1 Element for renovating ducts, drainage pipes, garbage dumping pipes and the like |
| 08/25/1999 | CN2334813Y Sewer device with automatic board-turning over device |
| 08/12/1999 | DE19802608A1 Method for repairing small-scale damage or deficient depressions in sewerage pipes |
| 08/10/1999 | US5934332 Pipe lining |
| 08/10/1999 | US5934315 Separate but connectable pieces, compact for handling, simple to install, economical shipment in bulk |
| 08/05/1999 | WO1999039056A1 Water drainage channel |
| 08/05/1999 | DE19748643C1 Compression ring transferring load between adjacent pipes during trenchless pipe installation or jacking |
| 07/28/1999 | CN2330723Y Drainage junction for hopper-shape waterspout |
| 07/27/1999 | US5928447 Conduit repair and interior reconstruction |
| 07/21/1999 | EP0930455A1 Saddle-piece with ball joint |
| 07/14/1999 | EP0928850A2 Drainage channels |
| 07/06/1999 | US5919002 Method of reducing the incursion of storm waters into sanitary sewer systems |
| 07/06/1999 | US5918325 Flush toilet bowl |
| 07/01/1999 | WO1999032819A1 Inner surface repair material for pipeline and inner surface repairing method |
| 06/30/1999 | EP0925410A1 Underground pipe repair |
| 06/30/1999 | CN2326647Y Drainage leakage-proof tube-piece |
| 06/30/1999 | CN1221467A Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 06/24/1999 | DE19755860A1 Method of relining pipelines of sewerage system |
| 06/15/1999 | CA2172787C Pipe insertion machine and method |
| 06/08/1999 | CA2139405C Method for cutting complexly shaped foamed plastic bodies from a workpiece and foam body products |
| 06/02/1999 | CN2321841Y Drainage pipe structure with protective cover |
| 05/26/1999 | CN2320684Y Improved L-shape water pipe joint |
| 05/14/1999 | WO1999023401A1 Seal in order to prevent the exit or entry of liquids out of or into systems and the application thereof |
| 05/11/1999 | CA2080136C Trench forming assembly and method |
| 05/06/1999 | DE19748631A1 Sicherheitsabdichtung für flüssige Systeme unter Einsatz von quellfähigen Polymeren Safety seal for liquid systems using swellable polymers |
| 04/27/1999 | CA2131867C Method and apparatus for forming a trench |
| 04/22/1999 | DE19745642A1 Refurbishment of encrusted pipelines for water supply, e.g. removal of lime scale |
| 04/22/1999 | DE19745480A1 Water drainage gutter |
| 04/21/1999 | CN2315169Y Drain steel pipe of cement support bottom with support rod |
| 04/20/1999 | US5895569 For municipal developments. |
| 04/20/1999 | CA2188102C Pipe rehabilitation system and methods |
| 04/06/1999 | US5890839 Trench forming assembly having a counterbuoyancy member and associated method |
| 04/06/1999 | US5890837 Multiple compartment drainage conduit with diverters |
| 03/31/1999 | EP0904465A1 Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 03/25/1999 | DE19834317A1 Inlay body for renovation of bottom of sewage shaft |
| 03/16/1999 | US5882145 Method for controlling expansion and contraction of trench liners |
| 03/11/1999 | DE19733571A1 Block-type slotted reinforced-concrete component esp. for use in draining road surfaces, airport runways etc. |
| 03/09/1999 | US5879106 Method and apparatus for controlling expansion and contraction of trench lines having lateral extensions |
| 03/03/1999 | EP0899387A1 Method for renovating the base of manhole shafts |
| 02/24/1999 | CN2308653Y Drainage elbow |
| 02/23/1999 | US5874151 Rigidifiable plastic composites and manufacturing methods therefor |
| 02/17/1999 | CN2307848Y Sewer pipe with inside spin corrugation |
| 02/17/1999 | CN1208145A Device for connecting two pipe fittings and pipe connector using the same |
| 02/17/1999 | CN1042160C Installing method of auto-sealed sewer and sealing bowl groove |
| 02/16/1999 | US5871027 Vacuum valve controller |
| 02/09/1999 | US5868434 Shell for pipe repair |
| 01/28/1999 | DE19731585A1 Plastics channel |
| 01/27/1999 | EP0893641A1 Device for connecting two pipe elements and use of such a pipe element connection device |
| 01/27/1999 | EP0893545A2 Built-in drainage channel installable in a floor |
| 01/27/1999 | EP0892902A1 Drive pipe and locking bell |
| 01/26/1999 | CA2132244C Improved pipe joint construction and coupling therefor |
| 12/29/1998 | US5853265 Edge adapter for athletic playing surface and associated method |
| 12/23/1998 | EP0886014A2 Surface drainage device |
| 12/16/1998 | EP0821753A4 Sump-vented controller mechanism for vacuum sewerage transport system |
| 12/03/1998 | WO1998054508A1 Method and device for making channel walls watertight at the joint of a subsidiary channel and a main channel, as well as use of said device |
| 12/03/1998 | WO1998039592A3 Apparatus and methods for lining of pipes |
| 12/03/1998 | DE19723721A1 Vorrichtung und Verfahren zum Abdichten von Kanalwandungen im Bereich des Anschlusses eines Nebenkanals an einen Hauptkanal sowie Verwendung der Vorrichtung Device and method for sealing the channel walls in the region of the connection of a branch duct to a main duct as well as using the apparatus |
| 12/01/1998 | US5842817 Pipe compression ring |
| 11/24/1998 | US5841527 Laser reference level setting device |
| 11/19/1998 | DE19816855A1 Connector for joining branch pipe to underground sewer pipe |
| 11/19/1998 | DE19719969A1 Sealing side-connections to sewers |
| 11/10/1998 | US5833394 Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 11/05/1998 | WO1998049404A1 Coating composition and method |
| 11/04/1998 | EP0875713A2 Tubular lining material |
| 11/04/1998 | EP0874698A1 Method of preventing corrosion in concrete pipe |
| 10/14/1998 | EP0870151A1 Method and apparatus for removal of utility line and replacement with polyolefin pipe |
| 10/06/1998 | US5817200 Surfacing of rehabilitating structures |
| 09/29/1998 | US5813677 Seal between two interlocking components |
| 09/29/1998 | CA2131866C Trench forming assemblies having enhanced anchoring means |
| 09/23/1998 | EP0866179A2 Distribution box |
| 09/22/1998 | US5810513 Method and apparatus for preventing trench overflows behind trench liners |
| 09/15/1998 | US5807025 Method of lining a extending sewer |
| 09/11/1998 | WO1998039592A2 Apparatus and methods for lining of pipes |
| 09/09/1998 | EP0863275A2 Method and apparatus for removing wall joints |
| 09/08/1998 | US5803662 For installing a channel capable of receiving runoff from athletic surfaces |
| 09/07/1998 | CA2229220A1 Process and device for clearing out joints in masonry |
| 09/01/1998 | CA2161780C Pipe liner composition |