| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
|---|
| 07/12/1988 | US4756338 Pipe repair assemblies to repair pipe when fluids therein are under high pressure |
| 07/12/1988 | CA1239099A1 Telescopic joint for repairing underwater pipelines laid at great depth |
| 07/07/1988 | DE3643698C1 Vibration-insulating suspension for a pipe through which a hot medium flows |
| 07/05/1988 | US4754781 Plastic pipe comprising an outer corrugated pipe and a smooth inner wall |
| 07/05/1988 | US4754775 Device and method for preventing water from flowing past a closed valve in a pipeline |
| 07/05/1988 | US4754538 Annular tube-like driver |
| 06/30/1988 | DE3632988A1 Probe for the reduction of pressure-shock effects in the interior of a hollow body |
| 06/29/1988 | EP0272771A1 Telescoping joint |
| 06/28/1988 | US4753272 Conduit closure system for closing a conduit having a gripless inner surface |
| 06/22/1988 | CN87106638A Device for regulating air flow in natural-draught atmospheric coolers |
| 06/21/1988 | US4752511 Method and apparatus for sealing the space between pipes and linings therefor |
| 06/21/1988 | US4752431 Skins filled with dry cement, rigidizing by addition of water |
| 06/21/1988 | US4751944 For preventing flow through a heat exchange tube |
| 06/21/1988 | US4751938 Apparatus for supporting structure between bolted flanges |
| 06/16/1988 | WO1988004387A1 A method of and apparatus for lining pipes |
| 06/16/1988 | WO1988004386A1 Method and device for mounting a body for use as a sensor or as a blocking device in a conduit containing fluid |
| 06/16/1988 | DE3641324A1 Lining tube for an underground pipeline and process for the production thereof |
| 06/15/1988 | EP0271200A2 Safety closure member |
| 06/15/1988 | EP0270973A1 Plugging apparatus and method using a hydraulically assisted plug expander |
| 06/15/1988 | CN87211697U Blocking compound injecting gun for blocking technique |
| 06/14/1988 | US4750525 End closure for flexible plastic tubes |
| 06/14/1988 | US4750523 Active attenuator and method |
| 06/09/1988 | DE3640958A1 Rupture ball |
| 06/08/1988 | EP0270053A1 Apparatus and method for plugging a tube |
| 06/08/1988 | EP0269726A1 Externally threaded quick connect coupling |
| 06/08/1988 | EP0269653A1 Apparatus for correcting irregularities in or enlarging an underground duct. |
| 06/08/1988 | CN87206711U Muffler for induction manifold |
| 06/07/1988 | CA1237682A1 Process and apparatus for sleeve repair of pipe line |
| 06/07/1988 | CA1237681A1 End closure for flexible plastic tubes |
| 05/31/1988 | US4747430 Process and apparatus for sleeve repair of pipe line |
| 05/31/1988 | CA1237285A1 Method and mechanism for the installation of plastic pipes in sewage piping |
| 05/26/1988 | DE3639045A1 Fitting for pipelines through which flow takes place |
| 05/25/1988 | EP0268418A2 Flow regulating device |
| 05/24/1988 | CA1237155A1 Coupling member for vessels for use in two-way extraction systems |
| 05/24/1988 | CA1237118A1 Mains bursting tool |
| 05/19/1988 | WO1988003628A1 A damping treatment for pipes and bodies |
| 05/18/1988 | EP0267742A2 Multilayer carrier films |
| 05/18/1988 | EP0267257A1 Process for repairing damage to pipes of a supply system |
| 05/17/1988 | US4744392 Nozzle dam segment bolt and keeper |
| 05/17/1988 | CA1236778A1 Pipe repair clamp |
| 05/11/1988 | EP0266566A2 Pressure reducer for stabilizing fluid flows after an expansion accompanied by a degradation of the kinetic energy |
| 05/11/1988 | DE3637734A1 Device for shutting off large hot-gas pipelines |
| 05/10/1988 | US4742889 Phonic deadening device for conduit of sanitary installation |
| 05/05/1988 | WO1988003245A1 Method and device for replacing damaged pipes buried in the ground |
| 05/05/1988 | DE3732630A1 Verfahren zum zustopfen von rohrblechen mit hartverloeteten stopfen Cram method for plug up of pipe with brazed metal sheets |
| 05/05/1988 | DE3637207A1 Directional valve |
| 05/05/1988 | DE3635715A1 Apparatus for removing a fitting which is arranged between two pipe ends |
| 05/04/1988 | EP0266097A2 Pipeline pig launching and receiving apparatus |
| 05/04/1988 | CN87209983U Compressed gas effluent blow off valve |
| 05/03/1988 | US4741795 Filling with settable resin, trowelling with flexible tube |
| 04/27/1988 | EP0264424A1 Rotation station for remotely installing mechanical tube plug |
| 04/27/1988 | EP0264420A1 Pipeline vehicle. |
| 04/27/1988 | EP0211825B1 Device to fill in and glue all kinds of depressions in inaccessible pipe conduits |
| 04/27/1988 | CN87208288U Mini-pipe connector |
| 04/27/1988 | CN87201225U Drain terminal of branch pipeline |
| 04/26/1988 | US4739916 Sleeve repair of degraded nuclear steam generator tubes |
| 04/20/1988 | EP0264316A1 Apparatus for adjusting the rate of flow of air in natural draught cooling towers |
| 04/20/1988 | EP0263830A1 Method and means for applying flexible liners to pipes |
| 04/19/1988 | US4738565 Method of replacing mains |
| 04/19/1988 | US4738276 Modular differential pressure transmitter/manifold for a fluid conveying pipeline |
| 04/19/1988 | CA1235390A1 Port protector |
| 04/19/1988 | CA1235377A1 Device for preventing rupturing of a pipeline |
| 04/13/1988 | EP0263733A1 Device to tightly seal a hole through a wall |
| 04/13/1988 | EP0263505A1 Method and device for the renovation or lining of pipes and renovating or lining material |
| 04/13/1988 | EP0263252A2 Temperature-compensated accumulator valve, particularly for the hydraulic control of motor vehicle transmissions |
| 04/13/1988 | CN87209984U Valve for lyophobic unloader by compressed gas |
| 04/12/1988 | US4736482 Pipeline pig bypassing assembly |
| 04/12/1988 | CA1235024A1 Flag-type pig-sig |
| 04/06/1988 | EP0262183A1 Method and means for lining and overwrapping of conduits. |
| 04/05/1988 | US4735687 Control apparatus, sensors, counter-vibration impulse generator |
| 04/05/1988 | US4735224 Method for stabilizing the flow of fluids at the time of expansion accompanied by kinetic energy degradation, a valve and a pressure reducer for carrying out said method |
| 04/05/1988 | US4735168 Method and apparatus for applying a lining material to a conduit |
| 03/31/1988 | DE3633211A1 Safety valve system |
| 03/30/1988 | EP0261105A1 Device for reducing duct-carried air-borne sound |
| 03/24/1988 | DE3638732C1 Device for sealing empty cable conduits |
| 03/23/1988 | EP0260341A1 Method of reconstructing an underground pipeline |
| 03/22/1988 | US4732397 Cast in place combination aperture closure member and pipe seal for fluid distribution box |
| 03/22/1988 | US4732222 Ram boring machine with impact blade piston |
| 03/22/1988 | US4732176 Isolating member in an in-line type accumulator |
| 03/22/1988 | US4732175 Surge suppressor |
| 03/22/1988 | CA1234275A1 Device for clamping a tubular member |
| 03/17/1988 | DE3711485C1 Control device in a blower-dependent sucking-off line |
| 03/17/1988 | DE3630057A1 Safety arrangement for hollow bodies exposed to pressure surges on the inside |
| 03/16/1988 | EP0260220A1 Method of placing pipes into a pipeline |
| 03/16/1988 | EP0259518A2 Method for repairing underground pipelines |
| 03/16/1988 | EP0259483A1 Clamp |
| 03/15/1988 | US4731138 Apparatus for producing double-walled corrugated pipes |
| 03/15/1988 | US4730852 Vehicle exhaust repair device |
| 03/15/1988 | US4730808 Flue gas shut-off valve |
| 03/15/1988 | US4730637 Fluid loss, damage prevention and control system |
| 03/10/1988 | WO1988001707A1 Method and apparatus for internally lining a duct |
| 03/09/1988 | EP0258324A1 Process for restoring channels threatening to collapse, in particular profiled channels. |
| 03/08/1988 | US4730302 Monitoring means for digital signal multiplex equipment |
| 03/08/1988 | US4729491 Vent plug |
| 03/08/1988 | US4729360 Damper element |
| 03/08/1988 | CA1233763A1 Equipment for closing conduits |
| 03/02/1988 | CN87204553U Screw joint displaying flow of fluid |
| 03/01/1988 | US4728223 Methods of renovating sewers |
| 03/01/1988 | US4727901 Ball valve |
| 02/25/1988 | WO1988001222A1 Device for boring lining of pipe line |