Patents
Patents for E03F 3 - Sewer pipe-line systems (3,593)
12/2006
12/06/2006CN2844237Y Draining piping piece against leakage
11/2006
11/30/2006US20060269361 Apparatus for on-grade boring
11/29/2006CN1869348A HDPE, PVC plastic compound winding pipe
11/22/2006CN2839453Y Multi-hole duct apparatus for toilet and kitchen
11/22/2006CN2839414Y Plastic sewer pipe for pit with sealing ring
11/22/2006CN1867741A A band device of joining pipe for preventing from leakage
11/15/2006CN1284911C Steel skeleton composite arch
11/14/2006US7135087 Apparatus and method for the repair and stabilization of underground pipes
11/14/2006US7134808 Drain sealing
11/14/2006CA2427887C Method and device for lining a sewer pipe
11/08/2006EP1719849A2 Slot drain
11/08/2006EP1719848A2 Drainage gutter composed of gutter elements
11/08/2006CN2835387Y Horizontal elbow type drainage bucket
11/08/2006CN2835386Y Drainage pipe connector
11/07/2006US7131791 Pipeline rehabilitation systems
10/2006
10/26/2006WO2005108681A3 An improved ditch liner system
10/26/2006DE102006004577A1 Robotic process to install sub-soil stone ceramic drain pipes sealed by multi-component epoxy resin adhesive
10/26/2006DE102005019449A1 Molded part for lining a transitional area between a waste water/sewage channel pipe and a house service connection pipe has a hose-shaped section and a collar-shaped section
10/25/2006CN2830845Y PVC hollow wall winding tube
10/25/2006CN1851165A Pipeline crossing method for water supply and sewerage pipeline and its structure
10/24/2006US7125506 Drainage channel installation device
10/18/2006CN2828173Y 污水处理系统 Sewage disposal system
10/12/2006WO2006107153A1 Non-excavating repair materials of a pipe and repair method
10/05/2006DE10306139B4 Rohrförmiges Putzstück für Rohrleitungen A tubular wall element for pipelines
10/04/2006EP1707681A1 Block structure for gutter, water channel formed of block structure for the gutter, and method of manufacturing block the structure for gutter
09/2006
09/28/2006DE102006013410A1 System for installing pipes in trenches partially filled with self-curing filler comprises telescopic cross-bars with jaws which fit against trench sides, ram being mounted on bars which has centering plate fitting against top of pipe
09/28/2006DE102005013423A1 Sealing rings removal method e.g. for magazine and application on top of sub-sockets, involves applying gaskets on sub-sockets for production of concrete pipes and concrete shaft rings, during which gaskets are supplied
09/27/2006EP1705299A2 Gutter element with front surface and connector surface
09/27/2006EP1705298A2 Retention gutter module
09/27/2006EP1704357A1 Pipe kit for drain conduits
09/21/2006WO2006097249A1 Channel body
09/20/2006CN2818980Y Reinforced spiral corrugated piping material of plastic steel band
09/20/2006CN2818603Y Sealed plastic multi-way sewage drain pipe
09/14/2006US20060201565 Pipe system
09/13/2006CN2816160Y Squat closet sewage dredging device
09/13/2006CN1274922C Urban sewage source separating device and method thereof
09/06/2006CN1827930A Drain tank bucket made of synthetic resin
08/2006
08/30/2006CN2811435Y Feed pipe and drainage pipe embedded parts for buildings
08/30/2006CN2811425Y Connection device of enwound structure-wall pipeline
08/30/2006CN2811424Y Large-diameter steel-plastic composite spiral drainage pipe
08/24/2006US20060188340 Method and apparatus for installing underground pipe
08/23/2006CN2809049Y Plastic drainage pipe with gradual-contraction type joint
08/23/2006CN2809048Y Joint for draining pipe
08/16/2006EP1689942A1 Drainage channel
08/16/2006CN1818239A Foundation breakthrough distribution structure and rotary current type discharging hopper therefor
08/10/2006US20060174957 Apparatus, methods, and liners for repairing conduits
08/10/2006DE202006007469U1 Thrust transfer elements for hydraulically moved underground concrete pipes with three of more evenly spaced cushion elements between the thrust faces of the pipe sections
08/08/2006US7086808 Method and apparatus for on-grade boring
08/03/2006DE102005005233A1 Tool for separating apart and fixing together of pipes, has steel straps wound around pipes, where straps area is connected with each other by clamping screw such that pipes are separated apart and fixed together during rotation of screw
08/02/2006CN2801923Y Concrete built-in anti-leakage special casing pipe
08/02/2006CN2801911Y Water pipe connector
08/02/2006CN2801910Y Flexible mouthpiece grooved and tongued reinforced concrete pipe capable of engrooving and jacking construction simultaneously
08/02/2006CN2801909Y Sewer pipe
08/02/2006CN1267612C Method for connecting hollow wall wind pipe
07/2006
07/27/2006US20060165490 Method of installing pipelines with minimal removal of soil
07/20/2006US20060159520 Modular drainage components
07/20/2006DE102005018051A1 Rohrverlegegerät Pipe laying machine
07/19/2006CN2797819Y Overlap type spiral corrugated pipe containing plasrtic inner pipe and steel band
07/19/2006CN2797460Y Complementary pipe network end water storing device
07/19/2006CN1804251A Drain outlet drop treatment method
07/19/2006CN1804250A Urban underground integral drainpipe
07/18/2006CA2372678C Method for laying data cables and data transmission device for a communal gas, pressure or waste-water pipe system comprising at least one waste-water drain and a service shaft
07/18/2006CA2277202C Device for trenchless replacement of underground pipe
07/13/2006US20060153640 Sewer pipe
07/11/2006US7075456 Parking assist device
07/11/2006US7073979 Method and apparatus for performing sewer maintenance with a thermal sensor
07/11/2006US7073536 Apparatus, methods, and liners for repairing conduits
07/05/2006CN2793171Y Fast sewage discharger
07/04/2006CA2531426A1 Drain tube sections with connectors therefor
06/2006
06/29/2006US20060137755 Apparatus and method for installation of pipe liner
06/21/2006CN1260503C Construction technology of relay jacking for glass fiber reinforced plastics sand-inclusion pipe-jacking and apparatus thereof
06/14/2006DE202006005297U1 Druckausgleichsring Pressure equalization ring
06/14/2006DE102004059892A1 Strahlungsquelle zur Bestrahlung von Innenwänden langgestreckter Hohlräume, sowie Verfahren zum Einbringen einer Strahlungsquelle in einen langgestreckten Hohlraum Radiation source for irradiating inner walls of elongate cavities, as well as methods for introducing a radiation source into an elongated cavity
06/13/2006US7059808 Split key segmental retaining wall system
06/13/2006US7059804 Drainage device
06/07/2006CN2786217Y Reinforced concrete composite drain pipe
06/07/2006CN2786216Y Full-automatic water valve dedicated for pollution discharge and flood control
06/07/2006CN1781981A Method for preparing modified polyolefin mother material for buried drain pipe using whisker
06/01/2006WO2006056544A1 Absorber for a pipe construction or channel construction and pipe construction or channel construction provided with this absorber
06/01/2006US20060115331 Method for cutting and removing underwater pipelines and apparatus for implementing this method
06/01/2006DE202005006377U1 Pipe robot for repairing waste water pipes with branch pipes is provided with a cover shield joined to a flexible pipe so that it can be introduced into the branch pipe undegoing repair
06/01/2006DE102004055732A1 Method for sealing of leaks in pipes, passages, channels or containers entails inserting of sealing element with diameter smaller or same as diameter of leak and tensioning sealing element against wall of leak
05/2006
05/30/2006US7052210 Inlet collar for highway culverts
05/26/2006WO2006053370A1 Valve assembly
05/24/2006EP1171666B1 Thermoplastic conduit element, methods of manufacturing and assembling the same and construction kit with such elements
05/24/2006DE19837295B4 Rohrabdichtung Tube sealing
05/24/2006DE102005052536A1 Connecting device, which connects the tip end of a stoneware pipe with an effluent prefabricated component made from concrete in an effluent channel system
05/24/2006DE102004053731A1 Connection element e.g. for channel construction, has hole in canal construction part which can be connected quickly and cylindrical tubing segment is provided on exterior surface of segment
05/24/2006CN2782804Y Safety theft-proof gully cover
05/24/2006CN2782803Y Preset pipe for bathroom
05/17/2006EP1657372A2 Pipe connector with variable angle
05/04/2006DE202005016273U1 Channel pipe for effluent pipeline systems comprises circular openings formed in the pipe body on prescribed sites of the pipe wall
05/03/2006CN1254585C Narrow-groove drainage device
04/2006
04/27/2006WO2006042694A1 Drainage channel
04/27/2006DE202005018790U1 Repair robot for pipelines with heated repair packing has radially expandable bellows pressing hardenable glass fibre packing into inner face of pipe
04/27/2006DE10316161B4 Vorrichtung zum Sanieren eines in einen Hauptkanal einmündenden Seitenkanals Apparatus for remediating a opening into a main channel side channel
04/27/2006DE102004050520A1 Kanalrohr, insbesondere Vortriebsrohr Sewer pipe, especially jacking pipe
04/27/2006CA2583354A1 Method for operating a sheeting machine for laying pipes, and sheeting machine
04/26/2006EP1540219A4 Method and apparatus for replacement of underground pipe
04/26/2006CN2775163Y Leak-proof device for kitchen and toilet
1 ... 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ... 36