| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 02/03/2000 | CA2338730A1 Method and apparatus for conveying fluids, particularly useful with respect to oil wells |
| 02/03/2000 | CA2338116A1 Test system for fluid tight integrity of installed pipeline |
| 02/03/2000 | CA2337934A1 Test assembly for fluid tight integrity of pipeline joint |
| 02/02/2000 | EP0975916A1 Reversion device |
| 02/02/2000 | EP0975908A1 Pipe clamp |
| 02/02/2000 | EP0700495B1 A device for fluid blocking in a pipeline |
| 02/02/2000 | CN2361955Y Pipe descaler |
| 02/02/2000 | CN2361954Y Domestic hand pipeline dredger |
| 02/02/2000 | CN2361953Y Noise-absorbing plastic pipe |
| 02/01/2000 | US6019136 Conduit repair system |
| 02/01/2000 | US6019119 Thermal safety device for automatically blocking pipes |
| 02/01/2000 | US6019048 Internal manipulator for pipes |
| 02/01/2000 | US6018914 Liner for manhole and a method for lining a manhole |
| 01/27/2000 | WO2000004318A1 Apparatus and method for preparing a lateral pipe and the junction of the lateral with a main sewer line |
| 01/27/2000 | WO2000004317A1 Flow channel wall |
| 01/27/2000 | WO2000003863A1 Radiation source for irradiating the inner walls of long hollow cavities |
| 01/27/2000 | CA2337239A1 Radiation source for irradiating the inner walls of long hollow cavities |
| 01/26/2000 | CN2360711Y Pipeline leakage clogging device |
| 01/25/2000 | US6017099 Oscillation damper for damping fluid oscillation in a hydraulic anti-slip control braking system in motor vehicles |
| 01/25/2000 | US6016841 Accumulator with low permeability flexible diaphragm |
| 01/25/2000 | CA2201634C Hydraulic coupler dust cover |
| 01/25/2000 | CA2162436C Methods of lining the internal surface of a pipe |
| 01/20/2000 | WO2000003172A1 Inner diameter test plug and method of use |
| 01/20/2000 | DE19832199A1 Dirt trap built into pipeline, with filter sieve in casing and removable from it |
| 01/20/2000 | DE19831540A1 Flow channel cross-section varying mechanism for an extrusion process comprises a thin flexible inner wall which is not persuaded and whose wall can be varied over a larger area |
| 01/19/2000 | EP0971812A1 Method and apparatus for making an extrusion product, and an extrusion product |
| 01/13/2000 | WO2000001977A1 A removable threaded plug and driver |
| 01/13/2000 | WO2000001460A1 Material and fuel delivery device |
| 01/13/2000 | DE19910215C1 Safety arrangement for gas powered systems with cutoff element instantly switched from normal to blocking state in event of gas escape |
| 01/13/2000 | DE19902940A1 Pressure fluid canal closing device in housing with ball closure |
| 01/13/2000 | DE19830288A1 Pipeline pig detection device e.g. for cleaning pig |
| 01/12/2000 | EP0971164A2 Hydraulic line pressure oscillation reduction device |
| 01/12/2000 | CN2358326Y Intensified water pipe structure capable of mounting detection instrument under condition of no stopping water |
| 01/11/2000 | US6013343 Patch for fabric air tubes |
| 01/11/2000 | CA2140423C Quick connect tubing connector and method of assembly |
| 01/06/2000 | WO2000000373A1 Hydraulic capacity with controlled pressure absorption |
| 01/05/2000 | EP0969201A2 Fuel delivery unit with centrifugal pump and silencer through which fuel flows |
| 01/05/2000 | EP0759134B1 Closure device and method for closing ducts which convey pressure medium in a housing |
| 01/05/2000 | DE19853198C1 Replacement of underground pipes of different diameter without digging, with optional expansion to greater conducting cross-sections |
| 01/05/2000 | DE19842739C1 Clamp ring for hose |
| 01/05/2000 | DE19831219A1 Process for sealing leaks in ventilation and air conditioning apparatus |
| 01/05/2000 | DE19825325A1 Method of installing at least one pipe line and/or an empty conduit in already laid supply and sanitation pipes, esp. sewer pipe systems, does not affect operation of pipes |
| 01/05/2000 | CN2357200Y Gas/water pipe cleaner |
| 01/05/2000 | CN1240507A Piece of piping through which waste gas flows of system of pipes carrying waste gases, and this system of pipes |
| 12/30/1999 | DE19828932A1 Kraftstoff-Förderaggregat mit einer Kreiselpumpe Fuel delivery unit with a centrifugal pump |
| 12/30/1999 | DE19828341A1 Heat insulating plate with sound damping properties |
| 12/29/1999 | WO1999067693A1 Freeze valve |
| 12/29/1999 | WO1999067034A1 Apparatus and method for removing and preventing deposits |
| 12/29/1999 | EP0725910B1 Method for relining a branch conduit of a main conduit |
| 12/28/1999 | US6006787 Branch pipe liner bag and branch pipe lining method |
| 12/23/1999 | WO1999065665A1 Improvements relating to lining methods and materials |
| 12/23/1999 | WO1999056052A8 Fluid pulsation reduction device |
| 12/23/1999 | DE19826991A1 Two part polymer concrete drain |
| 12/23/1999 | CA2334839A1 Improvements relating to lining methods and materials |
| 12/22/1999 | EP0640195B1 Pipe insertion method and apparatus |
| 12/22/1999 | CN2355198Y Sewage block proventer |
| 12/22/1999 | CN1239115A Denudation repairing agent dedicated for modified ABS |
| 12/22/1999 | CN1239114A Reinforcing and repairing agent for spiral thread of modified ABS pipeline |
| 12/21/1999 | US6004412 Method and system for repairing a damaged plastic pipe |
| 12/21/1999 | US6003873 J-tube seal |
| 12/21/1999 | US6003558 System for locking filler caps |
| 12/21/1999 | US6003557 Removable sealing plug |
| 12/21/1999 | US6003556 Hinged cap fluid connector |
| 12/21/1999 | US6003427 Damper valve arrangement |
| 12/16/1999 | WO1999065129A1 Method for installing at least one pipe line and/or an empty conduit in supply and sanitation pipes which have already been laid, especially in sewer pipe systems or networks and similar |
| 12/16/1999 | WO1999064778A1 Thin wall, high pressure, volume compensator |
| 12/16/1999 | WO1999064222A1 Pipe lining |
| 12/16/1999 | CA2334275A1 Pipe lining |
| 12/16/1999 | CA2334017A1 Method for installing at least one pipe line and/or an empty conduit in supply and sanitation pipes which have already been laid, especially in sewer pipe systems or networks and similar |
| 12/15/1999 | EP0964201A2 Damper with integral bracket |
| 12/15/1999 | EP0964104A2 Blackflow preventer assembly |
| 12/15/1999 | EP0848659B1 Pipe liner and method of installation |
| 12/15/1999 | EP0819231B1 Branched sewer re-lining |
| 12/15/1999 | CN2354006Y Scaling device |
| 12/14/1999 | US6001212 Method for lining of lateral pipelines with flow-through apparatus |
| 12/14/1999 | US6000424 Apparatus for expelling air from a liquid storage tank |
| 12/09/1999 | DE19825151A1 Silencer for pneumatic valves |
| 12/09/1999 | DE19824784A1 Lining hose for renovating sewers, lining pipe produced from the hose and lining hose manufacture |
| 12/09/1999 | DE19824773A1 Vorrichtung und Verfahren zur Reparatur von Rohren Apparatus and method for repairing pipes |
| 12/09/1999 | DE19822301C1 Verfahren und Vorrichtung zum Aufbringen einer Kunststoffschicht auf die Innenflächen von Hohlkörpern Method and apparatus for applying a plastic layer on the inner surfaces of hollow bodies |
| 12/09/1999 | CA2274265A1 Backflow preventer assembly |
| 12/08/1999 | EP0962941A1 Core spray line coupling apparatus and methods |
| 12/08/1999 | EP0962689A1 Apparatus and method for repairing pipes |
| 12/08/1999 | EP0961682A1 Improvements in or relating to pipeline pigging |
| 12/08/1999 | EP0961667A1 Apparatus for in-pipe use |
| 12/08/1999 | CN2352802Y Appliance for repairing plastic composite pipe |
| 12/07/1999 | US5999106 Monitor for fluid dispensing system |
| 12/07/1999 | US5997215 Process and device for pulling a pipe laid or to be laid in the ground |
| 12/07/1999 | US5996632 Pressure relief adapter |
| 12/07/1999 | US5996630 System for suppressing cavitation in a hydraulic component |
| 12/07/1999 | US5996605 Rupture disk safety member |
| 12/07/1999 | US5996304 Coating composition and method |
| 12/02/1999 | WO1999061832A1 Method for closing off a passage through a wall or ceiling and closing element |
| 12/02/1999 | WO1999061783A1 Fuel rail damper |
| 12/02/1999 | DE19825543A1 Silencer for exhaust gas duct from burner |
| 12/02/1999 | DE19823398A1 Drainage pipe internal lining technique |
| 12/02/1999 | DE19822910A1 Verschlußelement für Leitungen Closure member for cables |
| 12/02/1999 | DE19822624A1 Silencer for exhaust gas duct from burner |
| 12/01/1999 | EP0961069A1 Pipe clamp |
| 12/01/1999 | EP0960303A1 An end connector |