| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 07/29/2004 | US20040146361 Cable pulling machine |
| 07/29/2004 | US20040144937 Flow-regulating device |
| 07/29/2004 | US20040144441 Rehabilitation of water supply pipes |
| 07/29/2004 | US20040144439 Flexible emergency gas pipeline plug |
| 07/29/2004 | US20040144437 Self-dampening vessel |
| 07/29/2004 | DE10302001A1 Insulating pipe strap for pipelines or similar has intermediate cavity between connecting element and connecting head filled with thermal insulation material. |
| 07/29/2004 | DE10220251B4 Aufblasbares Rohrdichtkissen Inflatable pipe stoppers |
| 07/29/2004 | DE102004001214A1 Zündspulenanordnung mit Zündkerzenverbinder Ignition coil with spark plug connector |
| 07/28/2004 | EP1441113A1 Frequency and extension optimized suspension |
| 07/28/2004 | EP1440273A1 A liner for reinforcing a pipe and method of making the same |
| 07/28/2004 | EP1440272A1 Sealing plug for blind installation |
| 07/28/2004 | CN2628843Y Pipe fast expansion plug |
| 07/27/2004 | US6768959 Apparatus and method for accurate pipeline surveying |
| 07/27/2004 | US6768800 Active noise controller and controlling method |
| 07/22/2004 | DE10300383A1 Pipe inspection and processing device, comprising spring supported examining heads moving in several directions |
| 07/21/2004 | EP1439344A2 Pig |
| 07/21/2004 | EP1287212A4 Multi-purpose rehabilitation of conduits |
| 07/21/2004 | EP0943417B1 Method of lining inner surface of conduit |
| 07/21/2004 | CN2627334Y Conduit leak gripping device |
| 07/21/2004 | CN2627333Y Three-clove style quick-opening clamping blind plate |
| 07/21/2004 | CN1514157A Cross linking high density polyethylene pipe and construction process of its alternuting repairing old pipe line |
| 07/20/2004 | US6764632 Energy attenuation restrictor device and method of forming such restrictor device |
| 07/20/2004 | US6763852 Alternating distributor for high-viscosity liquids |
| 07/15/2004 | WO2004059201A1 Sewer pipe |
| 07/15/2004 | WO2004059093A1 Heat insulation pipe and heat insulation pipe installation method |
| 07/15/2004 | WO2004022994A3 Damper for fluid vibrations comprising two diaphragms |
| 07/15/2004 | US20040136786 Hydraulic control arrangement for a pipe relining machine |
| 07/15/2004 | US20040134551 a method for installing a liner in a pipeline, such as an underground water pipeline; enables a damaged pipeline to be repaired and salvaged and placed in a condition for normal use. |
| 07/15/2004 | US20040134550 Fuel pressure damping system and method |
| 07/15/2004 | US20040134289 Pig for detecting an obstruction in a pipeline |
| 07/15/2004 | US20040134246 Locking cover plate arrangement |
| 07/15/2004 | DE19932432B4 Wasseraustrittssperre für Standrohrzubehör, Standrohre und Unterflurhydranten oder dgl. Water outlet lock for stand pipe accessories, stand pipes and underground hydrants or the like. |
| 07/15/2004 | DE10322007B3 Clamping bracket for hose has locking pin fitting in elongated hole in base to lock locking projection when clamping bar turns in |
| 07/15/2004 | DE10261334A1 Kanalrohr Sewer pipe |
| 07/15/2004 | DE10257058A1 Pipeline pig for pipeline inspection and maintenance has a slider arranged perpendicular to the pig axis with support elements that are held against the pipe wall by a spring force |
| 07/14/2004 | EP1436538A1 Fire collar |
| 07/14/2004 | EP1436093A1 Method and apparatus for treating underground pipeline |
| 07/13/2004 | US6761507 Method and apparatus for replacement of underground pipe |
| 07/13/2004 | US6761233 Apparatus for propulsion in elongated cavities |
| 07/13/2004 | CA2277535C Thread forming pipe plug |
| 07/13/2004 | CA2233978C Linestopping system |
| 07/08/2004 | WO2004057432A1 Method for closing fluid passage, water hammerless valve and water hammerless closing device |
| 07/08/2004 | WO2004057230A1 Device and method for plugging of a pipe |
| 07/08/2004 | WO2004057229A1 Method for reducing vibrations in a conduit |
| 07/08/2004 | WO2004057228A1 Valve device and method of inserting valve |
| 07/08/2004 | WO2004057223A1 Method for making a fluid transport pipe |
| 07/08/2004 | US20040132387 Pipe renovating system and method |
| 07/08/2004 | US20040131426 Device for breaking up pipelines |
| 07/08/2004 | US20040129373 Method and means of repairing a pipe |
| 07/08/2004 | US20040129327 Test plug closure |
| 07/08/2004 | DE10312606B3 Pipeline section de-commissioning device has selected pipeline section bridged by bypass line pipes between spaced sealing cuffs |
| 07/08/2004 | CA2510957A1 Method for reducing vibrations in a conduit |
| 07/08/2004 | CA2508700A1 Method for closing fluid passage, water hammerless valve and water hammerless closing device |
| 07/07/2004 | EP1434944A2 Apparatus for fluid transportation |
| 07/07/2004 | EP1200886B1 Pressure control device for a pipeline |
| 07/07/2004 | CN2624021Y A control pipe vibration device |
| 07/07/2004 | CN2624020Y Bilateral control pipe vibrating device |
| 07/07/2004 | CN2624019Y Integrated pipe inspection well |
| 07/07/2004 | CN1510325A Floating leakage blocking process |
| 07/06/2004 | US6758499 System and method for repairing a conduit |
| 07/06/2004 | US6758244 Thrust plug and method for using a thrust plug |
| 07/06/2004 | CA2340826C Trap primer |
| 07/06/2004 | CA2254656C Existing pipe cut-off method, existing pipe slitting method, piping structure, and valve insertion method for inserting a valve in a line without stopping passage of water or fluid |
| 07/01/2004 | WO2004055425A1 A method of sealing a pipeline |
| 07/01/2004 | WO2004036108A3 Method for producing insulated elements |
| 07/01/2004 | US20040124589 Seal device for tubular member |
| 07/01/2004 | US20040123899 Dry break disconnect |
| 07/01/2004 | DE10259213A1 Length-compensation unit for sub-soil electrical power cable has strong outer pipe separated from inner corrugated tube by plastic or elastic rings |
| 07/01/2004 | DE10196315T5 Strömungsmittelflussimpulsdämpfer Fluid flow pulse damper |
| 06/30/2004 | EP0705305B1 Improved structural strength coating and material |
| 06/30/2004 | CN2622533Y Centering reducing regulator |
| 06/30/2004 | CN2622532Y Pipe compensation silencer |
| 06/30/2004 | CN2622048Y High pressure oil tube for dynamic steering of autobile |
| 06/29/2004 | US6755916 Using pig plunger moved by flow of pressurized gas |
| 06/29/2004 | US6755593 Pipe replacement method and rotary impact mechanism for pipe bursting |
| 06/29/2004 | US6755592 Device for repairing underground sewers |
| 06/29/2004 | US6755216 Method of repairing an un-isolatable leak in a piping system and apparatus and components for accomplishing the same |
| 06/29/2004 | US6755215 Tear-out coupling with puncture means |
| 06/24/2004 | WO2004053378A1 Device for sealing conduits used for electric and telephone lines or similar |
| 06/24/2004 | WO2003067147A8 Pipe loop for continuous transport of hydrocarbons from a subsea installation, without flow disturbances while conducting piggin or fluid control operations |
| 06/24/2004 | US20040118467 Method and apparatus for controlling fluid leaks in a pipe connection |
| 06/24/2004 | DE202004004836U1 Camera swivel head for inspecting main and side sewage channels of any diameter has both a normal/zoom objective and at least one fish-eye objective arranged on leading end of camera swivel head |
| 06/24/2004 | DE20122138U1 Air pipeline closing device has closer consisting of at least one one-way-opening diaphratgm |
| 06/23/2004 | EP1431570A1 Damper for a fluid system |
| 06/23/2004 | EP1373102A4 Multi cell tube and manufacturing method |
| 06/23/2004 | EP1278981B1 Sewer system pipe repairs |
| 06/23/2004 | EP1115996B1 Method and apparatus for winding a helical pipe from its inside |
| 06/22/2004 | US6752873 Apparatus for producing coating layer onto primary lining |
| 06/22/2004 | US6752569 Underwater tool |
| 06/22/2004 | US6752175 Auxiliary device for repairing a pipeline |
| 06/22/2004 | US6752174 Safety plug |
| 06/22/2004 | US6751881 Deflection gauge dislodging system |
| 06/22/2004 | CA2262111C Full flow winding machine |
| 06/22/2004 | CA2094864C Lining of sewers and the like |
| 06/17/2004 | US20040112451 Flow-through inflatable plug |
| 06/17/2004 | US20040112449 System of lines |
| 06/17/2004 | US20040112431 Pipeline isolating device |
| 06/17/2004 | US20040111792 Plumber's tool |
| 06/17/2004 | DE202004005983U1 Kondensatfilter, insbesondere für Luftaufbereitungsmodule Condensate filter, especially for air conditioning modules |
| 06/17/2004 | DE10319166A1 Sealing plug creates sealing effect by clamping sleeve pressed against wall of hole to be sealed, and by compression of sealing element such as polymer O-ring |