| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 03/25/1997 | US5613520 Device for dampening vibration and noise in hydraulic installations |
| 03/25/1997 | CA2136458C Coring rod re-alignment tool |
| 03/20/1997 | WO1997006941A3 Pipe liner and method of installation |
| 03/20/1997 | DE19600749A1 Temporary sealing of gas supply pipes |
| 03/20/1997 | DE19538178C1 Damper plate inside pipe has perforated sectors separated from each |
| 03/19/1997 | EP0763689A1 Breakaway coupling |
| 03/19/1997 | EP0763176A1 Cleanable scraper station |
| 03/19/1997 | CN2249850Y Large diameter thermal insulating pipes working at high temperature |
| 03/18/1997 | US5612499 Method of inserting a sensor into a pipeline |
| 03/18/1997 | US5611365 Valve insertion method and assembly for inserting a valve in a line |
| 03/18/1997 | US5611283 Insertion and guidance of a pipe travelling vehicle in the pipe |
| 03/18/1997 | CA2057341C Method and apparatus for repairing pipelines |
| 03/13/1997 | WO1997009527A1 Exhaust silencer |
| 03/13/1997 | DE19533436A1 Sealing device for sewer walls |
| 03/13/1997 | DE19533270A1 Sound insulation device, esp. for vehicle air conditioning plant |
| 03/13/1997 | DE19532741C1 Gas-pipe stop-valve replacement method |
| 03/12/1997 | EP0762031A1 Holding device for tubes |
| 03/12/1997 | EP0762030A1 Device for thrusting a plastic pipe for the interior lining of metal piping to be renovated |
| 03/12/1997 | EP0761592A1 Distribution apparatus for selectively connecting pipelines of a first pipeline field with pipelines of a second pipeline field |
| 03/12/1997 | EP0761417A2 A method of repairing a pipe |
| 03/12/1997 | EP0760717A1 Movable device for servicing small diameter pipes |
| 03/12/1997 | EP0629270B1 Support for elastically securing elongated items, especially pipes |
| 03/11/1997 | US5609439 Method of and apparatus for repairing and sealing junctions between mains and branch pipes |
| 03/11/1997 | US5609369 Clamp apparatus with opening for a probe |
| 03/11/1997 | US5609186 Methods of lining the internal surface of a pipe |
| 03/06/1997 | WO1997008487A1 Pipe rehabilitation |
| 03/06/1997 | DE19602314C1 Method for testing and inspecting pipelines using robot |
| 03/06/1997 | DE19536914C1 Stop-tap connection for fluid supply line to building |
| 03/06/1997 | DE19532751A1 Silencer for induction tract of internal combustion engine |
| 03/06/1997 | DE19529948A1 Go-devil extracting core from pipe driven into place |
| 03/06/1997 | CA2230538A1 Pipe rehabilitation |
| 03/05/1997 | EP0712474A4 Axially swaged fitting |
| 03/05/1997 | CN1144549A Apparatus for drilling open tunnel and drilling method |
| 03/04/1997 | US5608159 Freeze seal and freeze clamp for cables, wires, optical fibers and the like |
| 03/04/1997 | US5606997 Method for rehabilitating pipe line and resin impregnated lining having an integral heating element |
| 03/04/1997 | US5606996 Bladder and accumulator using the same |
| 03/04/1997 | US5606867 Refrigeration system fluid tube seal |
| 03/04/1997 | US5606792 Hydraulic expander assembly and control system for sleeving heat exchanger tubes |
| 03/04/1997 | CA2066813C Hose for lining pressure pipe lines |
| 03/04/1997 | CA2055915C Absorptive sound attenuator, in particular for air ducts in paper mills |
| 03/02/1997 | CA2157449A1 Upstream plug for isolating a repair region of a pipeline |
| 02/27/1997 | WO1997006966A1 Wheeled carriage with adjustable axles to vary wheel spacing |
| 02/27/1997 | WO1997006941A2 Pipe liner and method of installation |
| 02/27/1997 | WO1997001429A3 An extrusion apparatus and method, a tubular product, and a pipe |
| 02/27/1997 | DE19545185A1 Inspection or processing device position determining appts. |
| 02/27/1997 | DE19530962A1 Device for putting inflatable locking balloons in pipelines |
| 02/26/1997 | EP0759135A1 Element for renovating ducts, drainage pipes, garbage dumping pipes and the like |
| 02/26/1997 | EP0759134A1 Closure device for closing ducts which convey pressure medium in a housing |
| 02/26/1997 | CN1143997A Zero-spill double ball valve powered emergency release coupling |
| 02/25/1997 | US5605357 Pipe collar |
| 02/25/1997 | CA2101815C Equipment for the interconnection of two lines to allow running of pigs |
| 02/25/1997 | CA2015155C Replacement pipe section for a defective pipeline |
| 02/20/1997 | WO1997006382A1 Lining of pipes |
| 02/20/1997 | WO1997006381A1 Process and device for refurbishing drains |
| 02/20/1997 | WO1997006346A1 Inflatable tubular sleeve for tubing or obturating a well or a pipe |
| 02/20/1997 | DE19546503C1 Plug for pipe connection |
| 02/20/1997 | DE19529960A1 Method and system to open and make accessible the interior of pipe leads |
| 02/19/1997 | EP0758437A1 In situ method of renewing pipes laid in the ground |
| 02/19/1997 | EP0758436A1 Renovating device for pipes, especially domestic connecting pipes |
| 02/19/1997 | EP0669867B1 Method for lining a pipeline, in particular a sewer |
| 02/12/1997 | EP0757771A1 Process and device for renewing or repairing pipelines |
| 02/12/1997 | EP0757768A1 Device for permanent joining of tubes |
| 02/12/1997 | EP0757652A1 Closure unit for a tubular article |
| 02/12/1997 | CN2247268Y Iron chip recovering device for holing on pipe |
| 02/12/1997 | CN2247267Y Friction-reducing device for pressured leakage-stop automatic reset glue injection gun |
| 02/12/1997 | CN1142584A Pipe clasping valve with by-pass pipe |
| 02/12/1997 | CN1142522A High temperature resisting adhesive for steel plates, production and use thereof |
| 02/11/1997 | US5601025 Robotic vehicle |
| 02/06/1997 | WO1997004269A1 Lining pipes |
| 02/06/1997 | WO1997004268A1 Device sealably connectable to at least one cylindrical element |
| 02/06/1997 | WO1997004263A1 Method for replacing buried pipe |
| 02/06/1997 | DE19631082A1 Verfahren und Vorrichtung zum Sanieren von Abwasserkanälen Method and apparatus for renovating sewers |
| 02/05/1997 | EP0756673A1 Tuned mass damper |
| 02/04/1997 | US5600106 Actively sound reduced muffler having a venturi effect configuration |
| 02/04/1997 | US5598873 Branch pipe lining method and liner |
| 02/04/1997 | CA2069155C Method and apparatus for installing a pipe liner |
| 01/30/1997 | WO1997002971A1 Oscillation damper for damping fluid oscillation in a hydraulic anti-slip control braking system in motor vehicles |
| 01/29/1997 | EP0756130A2 A method of and an apparatus for lining a pipeline |
| 01/29/1997 | EP0756129A2 Method and apparatus for forming solid phase plugs in pipelines |
| 01/29/1997 | EP0756124A2 Connector assembly |
| 01/29/1997 | EP0756123A2 Connector assembly |
| 01/29/1997 | EP0756122A2 Connector assembly |
| 01/29/1997 | EP0756121A2 Connector assembly |
| 01/29/1997 | EP0756038A1 Outlet device |
| 01/29/1997 | EP0755492A1 Synchronized dual thread connector |
| 01/29/1997 | CN2246232Y Duct leakage blocking joint hoop |
| 01/28/1997 | US5597353 For everting a liner into an existing conduit to be lined |
| 01/28/1997 | US5597192 Pipe pulling device |
| 01/23/1997 | WO1997002452A1 Movable robot for internal inspection of pipes |
| 01/23/1997 | WO1997002451A1 Method and apparatus for sealed end for cured in place pipe liners |
| 01/23/1997 | DE19540753C1 Method of suppressing vibrations, especially on hydraulic clutch pedal of motor vehicle |
| 01/23/1997 | DE19526430A1 Pipeline venting control |
| 01/23/1997 | DE19526302A1 Subsequent bore drilling mechanism in underground, repaired pipes |
| 01/23/1997 | CA2222728A1 Method and apparatus for sealed end for cured in place pipe liners |
| 01/22/1997 | EP0755045A2 Sound wave cancellation arrangement |
| 01/22/1997 | EP0754902A2 Cable feeding system and umbilical cable therefor |
| 01/22/1997 | EP0754901A1 Noise attenuators, their manufacture, and their use for noise attenuation in ducts |
| 01/22/1997 | EP0738379A4 Expandable plug and control method |
| 01/22/1997 | CN1141018A Adjustable throttle with flat channel cross-section |
| 01/21/1997 | US5595405 Diaphragm power jack |