| Patents for E03F 3 - Sewer pipe-line systems (3,593) |
|---|
| 11/05/2003 | CN2584686Y Pipe joint |
| 10/29/2003 | CN2583228Y Hard plastic composite 90 degree bevel arm piece for building water drain |
| 10/29/2003 | CN1125908C Composite concrete metal encased stiffeners for metal plate arch type structures |
| 10/22/2003 | CN2581534Y Filter for sink |
| 10/16/2003 | WO2002055915A3 Lining of pipes |
| 10/15/2003 | EP1353015A2 Covering and marking device for an underground pipe |
| 10/09/2003 | WO2003083227A2 Improved sewer pipe section |
| 10/09/2003 | DE20308719U1 Pre-fabricated concrete rainwater gutter has galvanised metal capping strips facilitating use of fast-curing concrete |
| 10/09/2003 | DE20121911U1 Channel for draining sealed surfaces made of paving stones for supporting high traffic loads comprises curbstones, coping stones, and elastomeric sealing/damping strips arranged |
| 10/08/2003 | CN1446992A Cement compound pipe with plastic inside lining |
| 10/01/2003 | CN2576826Y Multi-channel floor drain water-trapping dish |
| 10/01/2003 | CN2576825Y Rapid joint for draining pipe |
| 09/25/2003 | US20030178079 Sewer pipe section |
| 09/24/2003 | CN2575193Y Sewage pollution collecting hanging basket |
| 09/09/2003 | US6616375 Arrangement in a drain system and a method for taking care of drain media |
| 09/04/2003 | US20030165360 Method and apparatus for replacement of underground pipe |
| 09/02/2003 | US6612780 Reduces installation and removal time; accommodates expansion and/or contraction of surrounding ground or pavement area; easy maintenance |
| 08/27/2003 | CN1438393A Water-rotating type water-discharging pipe |
| 08/07/2003 | US20030147700 Device and method for trenchless replacement of underground pipe |
| 07/31/2003 | WO2003062685A2 Shaped section of a polymeric sewer pipeline (variants) |
| 07/24/2003 | WO2003060282A2 Method and apparatus for replacement of underground pipe |
| 07/22/2003 | US6595722 Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 07/22/2003 | US6595720 Method and apparatus for forming a trench drain |
| 07/22/2003 | CA2245062C Liner strip for pipelines or tunnels |
| 07/16/2003 | CN2560692Y Anti-theft drain pipe |
| 07/03/2003 | DE20306055U1 Method for repairing underground drainage pipe using a cylindrical jig with expanding flexible membranes to press sealant onto the damaged sites |
| 07/03/2003 | DE20305520U1 Surface drain block with damage protection has the side flanges fitted with a metal or plastic cover |
| 06/26/2003 | DE20305269U1 Street rain water inlet for stone drainage channel has collection area extension |
| 06/19/2003 | US20030111397 Deck drain |
| 06/18/2003 | CN1424470A Low-noise water drain pipe |
| 06/04/2003 | CN2554247Y Buried hollow structrue plastic pipe for water drainage and sewage drainage |
| 06/04/2003 | CN1421578A Branch pipe joint and pipe joining structure utilizing the same pipe joint |
| 06/03/2003 | US6572306 Positioning signal or electrical transmitters in interior surfaces of subterrenean sewage or water conduits, confining with linings comprising thermosetting resins, hardening by heating |
| 05/21/2003 | CN2551705Y Odour-prevention sewer pipeline joint |
| 05/14/2003 | CN2550435Y Special clip for sewer cover |
| 05/01/2003 | US20030082009 Method and apparatus for forming a trench drain |
| 04/30/2003 | CN2547784Y Clean-sewage water diverter |
| 04/23/2003 | CN2546535Y Joint for high-low run sewer |
| 04/23/2003 | CN2546514Y Antiodorizing plumbing pipe with divided draining device |
| 04/22/2003 | CA2175464C Wastewater system rehabilitation using multi-layer liner |
| 04/17/2003 | WO2003031736A1 Drainage device |
| 04/17/2003 | WO2003031021A1 Wastewater pretreatment gathering and final treatment process |
| 04/10/2003 | US20030066804 Wastewater pretreatment, gathering and final treatment process |
| 04/02/2003 | CN2542757Y Combined pipe device for recovering domestic sewage |
| 03/27/2003 | DE19927020C2 Verfahren zum unterirdischen Verlegen von Entwässerungskanälen und Preßschacht zur Durchführung des Verfahrens A method for underground laying of drainage channels and Preßschacht for performing the method |
| 03/26/2003 | EP1100999B1 Method for laying data cables |
| 03/26/2003 | CN2541526Y Rapair-free sewer elbow of washstand |
| 03/26/2003 | CN1405413A Indoor automatic-enclosed drainage system and its special appliance |
| 03/25/2003 | CA2255903C Composite concrete metal encased stiffeners for metal plate arch-type structures |
| 03/20/2003 | WO2003022117A2 Cleaning tool for conduits |
| 03/19/2003 | EP1169595A4 Multi-purpose underground utility conduit system |
| 03/11/2003 | US6530724 Method and system for replacing a damaged section of a channel to which an inserted part has previously been affixed |
| 03/06/2003 | US20030044237 Trenchless water pipe replacement device and method |
| 02/27/2003 | WO2003002878A3 Apparatus for fluid transportation |
| 02/26/2003 | EP1285141A1 Weir section; a sewer pipe structure including such a weir section and their method of construction |
| 02/26/2003 | CN2537754Y T-shape water draining bend |
| 02/25/2003 | US6524031 Device and method for trenchless replacement of underground pipe |
| 02/20/2003 | WO2003014485A1 Reinforcing element of underground pipe, and trenchless repairing and reinforcing method using the same |
| 02/20/2003 | DE10136929C1 Domestic pipeline connection method uses pilot pipe for provision of pilot bore before formation of product pipe bore in wall of underground collection pipe |
| 02/19/2003 | CN2536656Y Waste washing water stratified recovery unit |
| 02/13/2003 | DE20217666U1 Concrete main drainage sewer e pipe has flat sole |
| 02/12/2003 | CN1396350A System for automatically treating human excrement and urine without water in urban area and using submersible pump to flush excrement by urine in public toilets |
| 02/12/2003 | CN1396349A Method for draining sewage from manhole |
| 02/11/2003 | CA2252338C Apparatus and method for insitu culvert rehabilitation |
| 02/05/2003 | EP1281910A2 Arrangement for the relining of pipes |
| 02/05/2003 | EP1068468B1 Sealing element for piping |
| 02/05/2003 | CN2534265Y Elbow observation hole |
| 01/29/2003 | EP1279774A1 Method for managing cascade waves in sewer networks |
| 01/29/2003 | CN2533166Y Hollow wall tube |
| 01/22/2003 | CN2532135Y Pipeline capable of preventing sewage from back flow |
| 01/22/2003 | CN1392313A Vacuum sewage discharging system |
| 01/09/2003 | WO2003002878A2 Apparatus for fluid transportation |
| 01/09/2003 | WO2003002825A1 Drainage channel base, especially from polymer concrete |
| 01/08/2003 | EP1273727A2 Process and device for laying of pipes, in particular sewer pipes |
| 01/08/2003 | EP1272342A1 Liner for waste water system rehabilitation |
| 01/03/2003 | WO2003001639A1 Method for placing objects on the inner wall of a placed sewer pipe and device for carrying out said method |
| 01/03/2003 | WO2003000999A1 Vacuum sewer system |
| 01/03/2003 | CA2451343A1 Method for laying objects to be laid on the inside wall of a laid conduit pipe and device for carrying out such a method |
| 01/02/2003 | US20030000012 Overflow assembly for bathtubs and the like |
| 01/02/2003 | DE20215910U1 One-piece tangential shaft for waste water drain |
| 12/19/2002 | US20020189669 Vacuum sewer system |
| 12/18/2002 | EP1267006A2 Vacuum sewer system |
| 12/18/2002 | EP1266107A2 Method and apparatus for lining manholes |
| 12/18/2002 | CN2526377Y Sewer pipe for high building |
| 12/18/2002 | CN2526376Y Quick-acting joint for water draining system |
| 12/17/2002 | US6494978 Deteriorated structure repair method for restoring and lining corroded structure |
| 12/17/2002 | US6494437 Boom mounted winch |
| 12/14/2002 | CA2381002A1 Vacuum sewer system |
| 12/11/2002 | CN1384256A Sewage conduit connector to stop awful smell |
| 12/11/2002 | CN1095965C Device for connecting two pipe fittings and pipe connector using the same |
| 12/05/2002 | DE10123671A1 Supply system for proposed residential areas comprises multichannel supply mains and individual multichannel house lines joined to one another via distribution shafts |
| 12/04/2002 | EP0853164B1 Sewage by-pass discharging apparatus for sewage pipe works |
| 12/04/2002 | CN2523813Y Pressure pipe |
| 11/27/2002 | EP1260641A1 Sewage pipe connector for intercepting bad smell |
| 11/27/2002 | EP0777835B1 Process for renovating feed and discharge pipes and shafts |
| 11/20/2002 | CN2521280Y Sewer structural component |
| 11/14/2002 | WO2002090674A2 Drainage channel |
| 11/14/2002 | DE10122467A1 Water drainage channel, in a two-part reinforced concrete structure, has an upper section with a slit through it and a lower section with the water channel, to take up the lateral and vertical forces without damage |
| 11/14/2002 | DE10118088A1 Multi-pipe system, comprises at least two joinable Multi-pipe units which consist of an outer cover with a base section, and accommodate at least two media pipes held by holding elements |
| 11/12/2002 | CA2091032C Method for sealing a water, waste water, electrical jointing or telecommunication chamber |