| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
|---|
| 02/03/2005 | US20050025572 Modular trench drain |
| 02/03/2005 | US20050025567 Trench-forming apparatus and methods |
| 02/03/2005 | DE202004018084U1 Absorber für ein Rohr- oder Kanalbauwerk sowie Rohr- oder Kanalbauwerk mit einem solchen Absorber Absorber for a pipe or sewer structure, as well as pipe or sewer structure with such an absorber |
| 02/03/2005 | DE202004017158U1 Monitoring condition of ducting has sealed fitting into which test tube is inserted and data obtained from electronic components attached to tube inner walls |
| 02/02/2005 | EP0994989B1 Vacuum-operated sewage system and air inlet valve |
| 02/02/2005 | CN2675753Y Reinforced concrete pipe with flexible rabbet |
| 01/27/2005 | US20050016607 Bladder system for conduit expansion |
| 01/27/2005 | US20050016588 Vacuum station and the method for operating the same |
| 01/26/2005 | EP1499779A1 Slot drain |
| 01/26/2005 | CN2673972Y Block-proof and odour-proof sewage pipeline |
| 01/18/2005 | US6845209 Fibre-optic cable network |
| 01/13/2005 | US20050005985 Underdrainage pipe |
| 01/12/2005 | CN2670466Y Pipe with flat bottom |
| 01/05/2005 | EP1493875A2 Method and device for refurbishing a manhole shaft |
| 01/05/2005 | CN2668726Y Loading-resistant flexible previous dead pipe |
| 01/05/2005 | CN1560391A Construction technology of relay jacking for glass fiber reinforced plastics sand-inclusion pipe-jacking and apparatus of device thereof |
| 12/30/2004 | DE10315559A1 Method for reconstruction of sewage shaft system uses sewer constructed through it, and plastic shaft lining aligned through and connected to, sewer |
| 12/29/2004 | WO2004113778A2 Bladder system for conduit expansion |
| 12/29/2004 | WO2004113625A2 System and arrangement for conduit reparation |
| 12/23/2004 | US20040258478 providing one side connection key having a first and a second sides, providin open liner sections, forming a first slot in at least one side of each one of such open liner sections, first slot being being sized to receive first side connection key |
| 12/22/2004 | EP1488052A2 Drainage channel |
| 12/22/2004 | CN1556289A Composite water collecting draining blind pipe |
| 12/16/2004 | DE202004015982U1 Flap for throttling discharge/flow in mixed water drain has drive unit to swivel flap and control flow through flow measurement in drain |
| 12/15/2004 | CN2663549Y Hollow dual wall pipe |
| 12/15/2004 | CN2663548Y Negative pressure gathering tank |
| 12/09/2004 | DE10321372A1 Building e.g. house, has pipelines that extend through building walls to connect rooms in building to wastewater loop |
| 12/09/2004 | DE102004022172A1 Upright drain shaft for removal of fine sediment from the area around a sub-surface drain embedded in gravel |
| 12/02/2004 | US20040240941 Drainage device |
| 12/02/2004 | US20040238055 Apparatus for fluid transportation |
| 12/02/2004 | US20040237183 Vacuum sewer system |
| 12/02/2004 | DE19745642C5 Verfahren zur Sanierung von zur Wasserführung bestimmten inkrustierten Rohrleitungen durch Reinigung und Beschichtung Method for restoring certain the water guide encrusted piping by cleaning and coating |
| 12/01/2004 | EP1482097A2 Drain sealing |
| 12/01/2004 | EP1266107A4 Method and apparatus for lining manholes |
| 11/25/2004 | US20040231789 Tensioned pipe support |
| 11/25/2004 | DE10319834A1 Cleaning method for pressure-free sewerage, by locking off back pressure of water from sewerage operating opposite the flow of sewage |
| 11/24/2004 | CN2658242Y Drain cover device of sewer pipe |
| 11/24/2004 | CN2658239Y Sewer pipe mounting bearing plate |
| 11/24/2004 | CN1177113C Low-noise water drain pipe |
| 11/18/2004 | DE202004014852U1 Link sleeve for plastic pipe has hooks at each end and a further central hook engaging with a centre ring |
| 11/18/2004 | DE202004013754U1 Drainage trough made of weldable plastic material, for catching and conducting surface waters away from slag heaps, disposal sites and the like, is provided with at least one anchoring element |
| 11/11/2004 | DE20023512U1 Water drainage system for accessible sewage channels during repair works consists of provisional longitudinal drainage pipe with house connections |
| 11/10/2004 | CN2654729Y Water drain pipe reverse flow prevention device |
| 11/10/2004 | CN2654711Y Overflow proof drain device |
| 11/03/2004 | EP1060310B1 Method for treating drain media |
| 10/27/2004 | EP1165905B1 Synthetic panel, especially for lining concrete building components |
| 10/21/2004 | WO2004090246A1 Method for the sanitation of a sewer manhole and use of an associated pipe |
| 10/21/2004 | DE202004011702U1 Infrastruktur-Kanal Infrastructure-channel |
| 10/14/2004 | US20040202510 Ditch liner system |
| 10/13/2004 | CN2647956Y Preventing sewage absorbing gas cap |
| 10/13/2004 | CN2647955Y Sewage draining pipe preventing back flow |
| 10/13/2004 | CN2647954Y Water sealing box for water draining vertical pipe |
| 10/06/2004 | EP1397566B1 Vacuum sewer system |
| 10/06/2004 | CN2646517Y Helical bellows with metallic strengthening structure |
| 10/06/2004 | CN2646257Y Air isolation transfusion tube fittings |
| 10/06/2004 | CN2646256Y 水压式自动疏通阀 Automatic hydraulic dredge valve |
| 10/06/2004 | CN2646237Y Water saving equipment for washbasin |
| 10/05/2004 | US6799923 Trenchless water pipe replacement device and method |
| 09/30/2004 | WO2003031021A8 Wastewater pretreatment gathering and final treatment process |
| 09/30/2004 | WO2002090674A3 Drainage channel |
| 09/30/2004 | US20040190997 Thrust block form apparatus and system |
| 09/29/2004 | CN2644549Y Foreign-flavor leak preventing pipe joint for down-flow corrugated pipe of building |
| 09/29/2004 | CN2644548Y Block-preventing and reclaiming device for building downpipe |
| 09/23/2004 | DE202004008880U1 Pipe e.g. for sewers, has two separate pipes formed within each other with inner channel having a housing which is used to separate outer channel |
| 09/22/2004 | CN2642874Y Dual-purpose pipe for indoor drainage and exhaust |
| 09/21/2004 | US6793442 Device and method for trenchless replacement of underground pipe |
| 09/21/2004 | US6792820 Method and accessories for pipe replacement |
| 09/21/2004 | US6792723 Deck drain |
| 09/16/2004 | DE202004008848U1 Concrete drainage block for pedestrian precinct, roads or pavement kerbside has cylindrical void linked to top surface by transverse slits |
| 09/16/2004 | DE10304934A1 Method for sealing drain connection into main drain has a sealing collar fitted onto an inflatable flexible pressure body and positioned by a remote controlled trolley |
| 09/15/2004 | CN2641165Y Easy to be dredged type vertical,inspection, water-drainage pipe |
| 09/09/2004 | US20040175559 For rehabilitating or repairing waste water system components or the like, comprising a spray-applied, multi-layer liner which seals the components and imparts structural integrity |
| 09/09/2004 | US20040175235 Pipeline rehabilitation systems |
| 09/09/2004 | US20040173272 Reinforcing element of underground pipe, and trenchless repairing and reinforcing method using the same |
| 09/09/2004 | DE202004000791U1 Drainage system fitted into trench consists of molded part of recycled plastic with extension part, drainage intake, and stabilizers |
| 09/09/2004 | DE10316161A9 Vorrichtung zum Sanieren eines in einen Hauptkanal einmündenden Seitenkanals Apparatus for remediating a opening into a main channel side channel |
| 09/09/2004 | DE10315560B3 Stabilising waste water pipework, comprises cutting a reversibly formed pipe axially, rolling it up and placing it in the pipe, unrolling it and sealing it at its edges |
| 09/08/2004 | CN2639391Y Anti-overflow device for sewage pipeline |
| 09/08/2004 | CN2639377Y Non-return self-closing apparatus |
| 09/02/2004 | DE202004005768U1 Underground drainage duct with heat reclamation fitting has open channels provided in the base of the duct profile for subsequent fitting of heat exchange pipes |
| 09/01/2004 | CN2637590Y Biwall winding large caliber plastic water discharge pipe connecting device |
| 09/01/2004 | CN2637572Y Sealing belt for connecting biwall winding large caliber plastic water discharge pipe |
| 08/26/2004 | WO2004042268A3 Apparatus and method for installation of pipe liner |
| 08/26/2004 | US20040163702 Separated sanitary and storm sewer system |
| 08/25/2004 | CN1163655C Ventilation device for rise straight-tube of vacuum water drainage system |
| 08/12/2004 | US20040157022 Panel liner and method of making same |
| 08/12/2004 | US20040156682 Apparatus and method for the repair and stabilization of underground pipes |
| 08/11/2004 | CN2632180Y Double-layer drain |
| 08/11/2004 | CN2632172Y Antioverflow and deodorization device |
| 08/05/2004 | WO2004007373A3 Septic tank drain field pipe manifold system and method of use |
| 08/05/2004 | DE102004001615A1 Rohrsystem Pipe system |
| 08/04/2004 | CN1518625A Vacuum sewer system |
| 07/29/2004 | US20040146362 Method and apparatus for routing cable in existing pepelines |
| 07/29/2004 | DE19816368B4 Kabelkanalträger sowie Verfahren zum Verlegen eines Kabelkanalträgers Duct support as well as procedures for laying a cable channel support |
| 07/28/2004 | CN2628604Y Improved hollow wall winding pipe |
| 07/22/2004 | DE10300004A1 Method for pressure venting trapped space between plastic liner and support has integral valves opened by pressure displacement of liner |
| 07/21/2004 | CN2627083Y Sewer pipe sewage water and foreign material separation facility |
| 07/15/2004 | WO2004059201A1 Sewer pipe |
| 07/15/2004 | US20040136785 Method and apparatus for aligning channel sections with an adjustable alignment key |
| 07/15/2004 | US20040134552 Apparatus and method for installation of pipe liner |
| 07/15/2004 | DE10261334A1 Kanalrohr Sewer pipe |