| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 02/25/1988 | DE3627556A1 Apparatus for repairing sewers |
| 02/24/1988 | EP0256949A1 Device for sealing a fluid-transport pipe |
| 02/24/1988 | EP0256140A1 Method for lining pipelines |
| 02/23/1988 | US4726488 Cap with valve |
| 02/23/1988 | US4726401 Fixed plug assembly |
| 02/18/1988 | DE3626746A1 Safety coupling for a connection |
| 02/18/1988 | DE3625838A1 Shut-off device which can be inserted in a pipeline |
| 02/17/1988 | CN87211698U Hand (pneumatic) gunite for leakproof technique |
| 02/17/1988 | CN87200637U Automatic regulating device for fluid in pipeline |
| 02/16/1988 | CA1232825A1 Cross loop attenuator for hydraulic systems |
| 02/16/1988 | CA1232721A1 Ambient temperature repair of elastomeric articles having a hollow or deformity therein |
| 02/11/1988 | WO1988000882A1 Expansible means |
| 02/11/1988 | DE3626337A1 Pressure-surge damper for water lines |
| 02/10/1988 | EP0120938B1 Clamping and high pressure containment devices |
| 02/09/1988 | US4724178 Lining material for pipe lines |
| 02/09/1988 | US4724108 With lateral branch openings |
| 02/09/1988 | US4723873 Method and device for preparing an existing buried conduit for replacement by a new conduit |
| 02/09/1988 | US4723705 Device for ventilating a closed conduit system |
| 02/09/1988 | US4723579 Lining material for pipe lines |
| 02/09/1988 | US4723578 For plugging a defective tube |
| 02/09/1988 | US4723577 Thermal expansion reservoir |
| 02/09/1988 | CA1232553A1 Lined pipe and a method of lining a pipe |
| 02/04/1988 | DE3625333A1 Process and apparatus for the release, dispersal and separation of solid deposits |
| 02/03/1988 | EP0255398A2 Sealing fixture for hydrotesting of nuclear reactor tubular elements |
| 02/03/1988 | EP0255312A1 Flow restrictor unit |
| 02/03/1988 | EP0254715A1 Grouting method |
| 02/02/1988 | US4723064 Purge gas system for welding pipes |
| 02/02/1988 | US4722122 Rotation station for remotely installing mechanical tube plugs |
| 01/28/1988 | WO1988000528A1 Lining material for conduit |
| 01/27/1988 | EP0254503A2 Pig signaller |
| 01/27/1988 | CN87103870A Process for sealing off the water flowing in tunnels, mine entries, canals and other known subsurface ducts |
| 01/26/1988 | US4722001 Self-propelled inspection vehicle |
| 01/26/1988 | US4721330 For the compression of a sealing gasket |
| 01/26/1988 | US4721128 Safety Shutoff Valve--electromechanical |
| 01/21/1988 | DE3632690A1 Method for absorbing pressure shocks in media conveyed through pipes and a device for carrying out the method |
| 01/21/1988 | DE3622445A1 Hollow body which is insensitive to pressure surges from the inside |
| 01/20/1988 | EP0253630A1 A method of pipe renovation |
| 01/20/1988 | EP0253588A1 A method of lining a fluid conduit, apparatus for use in said method and a carrier for use in a fluid conduit |
| 01/20/1988 | EP0253450A2 Device for applying a lining to the interior wall of a pipe, in particular a concrete sewer pipe |
| 01/20/1988 | EP0253013A1 Method for restoring a pipeline buried in the ground |
| 01/19/1988 | US4720211 Apparatus for replacing mains |
| 01/19/1988 | US4719941 Throttle valve |
| 01/19/1988 | US4719936 Method of hot tapping type branching and split joint used therein |
| 01/19/1988 | US4719687 Method for sealing, pressure-testing, and transporting a multi-pipe segment |
| 01/14/1988 | WO1988000314A1 Conduit liner |
| 01/14/1988 | WO1988000313A1 Device with a valve function |
| 01/14/1988 | WO1988000309A1 Locking of cover against a flange |
| 01/14/1988 | WO1988000133A1 Lining material for duct |
| 01/13/1988 | EP0162878B1 Improvements in pipe laying and replacement |
| 01/12/1988 | US4718636 Branch coupling on flexible hose |
| 01/07/1988 | EP0251607A2 Sewer renovation |
| 01/07/1988 | DE3622583A1 Wound tape, preferably shrink tape, with fixing element |
| 01/07/1988 | DE3622522A1 Fixing element for fixing wound tapes |
| 01/05/1988 | US4717875 Method and system for determining curvature in fluid transmission pipelines |
| 01/05/1988 | US4717178 Frangible coupling for barrel sections of a fire hydrant |
| 01/05/1988 | US4716986 Vibration damping system |
| 01/05/1988 | US4716938 Pressure-tight plug coupling |
| 01/05/1988 | US4716875 Safety plug device for fuel lines |
| 12/29/1987 | US4715747 Air motivated conduit prover apparatus |
| 12/29/1987 | US4715395 Fluid flow regulator |
| 12/29/1987 | US4715107 Method of forming an airspring with pneumatic fitting |
| 12/29/1987 | CA1230902A1 Hose fitting with automatic separation under strong tensile stress |
| 12/23/1987 | CN87104182A Externally threaded quick connect coupling having integral fluid pressure assisted seal and method of using same |
| 12/22/1987 | US4714229 Anti-vibratory support device for a pipe whose thickness is small relative to the diameter |
| 12/22/1987 | US4714095 Inserting resin-soaked multilayer lining; shaping; hardening |
| 12/22/1987 | US4713870 Pipe repair sleeve apparatus and method of repairing a damaged pipe |
| 12/17/1987 | WO1987007698A1 Externally threaded quick connect coupling having integral fluid pressure assisted seal and method of using same |
| 12/17/1987 | WO1987007685A1 Multiple seal for a pressure vessel |
| 12/16/1987 | EP0249067A1 Device for damping water hammers in pipes, especially in sanitary installations |
| 12/16/1987 | EP0152408B1 Method of depositing a membrane within a conduit |
| 12/16/1987 | CN87103629A Apparatus for producing double-walled corrugated pipes |
| 12/15/1987 | US4712642 Self-damping convoluted conduit |
| 12/15/1987 | US4712586 Pipe plug and centering construction for centering ridged key in mating groove in pipe plug |
| 12/15/1987 | US4712584 Surge suppressor |
| 12/10/1987 | DE3709477A1 Hydraulic unit |
| 12/10/1987 | DE3618963A1 Process and apparatus for connecting a sewage pipe to a service pipe or the like which opens transversely therein |
| 12/09/1987 | EP0248728A1 Method for resistantly and tightly fixing a hollow cylindrical element at the inside of a tube, and cylindrical element for carrying out this method |
| 12/09/1987 | EP0248368A2 Apparatus for producing double-walled corrugated pipes |
| 12/03/1987 | WO1987007322A1 Apparatus for correcting irregularities in or enlarging an underground duct |
| 12/02/1987 | EP0247078A1 Unmanned articulated vehicle. |
| 12/02/1987 | EP0168452B1 Cuff for sealing joints of pipes |
| 12/02/1987 | CN87206302U Emergency clamp for leakage of pipeline |
| 12/01/1987 | US4709729 Pipe weld repair device and method for the installation thereof |
| 12/01/1987 | US4709719 Automatic cup pig launching and retrieving system |
| 11/25/1987 | CN87101995A Hydraulic silencer |
| 11/19/1987 | WO1987006994A1 Process for repairing damage to pipes of a supply system |
| 11/19/1987 | EP0245339A1 Wide track vehicle. |
| 11/19/1987 | DE3616216A1 Method and device for rapidly closing pipelines containing flowing media in the event of accidents |
| 11/17/1987 | US4706834 Coupler cover apparatus |
| 11/17/1987 | CA1229299A1 Shrink-fit connector for the electrical well subsurface heating processes |
| 11/10/1987 | US4705305 Coupling and clamping device |
| 11/10/1987 | US4705259 Device for sealing an opening and slide valve comprising such a device |
| 11/10/1987 | US4705078 Pipe repair clamp |
| 11/10/1987 | US4705077 Pulsation damping means incorporating therein an inner cylinder having laminated resilient valve shoes |
| 11/10/1987 | CA1229053A1 Plumbing test plug apparatus |
| 11/04/1987 | EP0244068A1 Ball valve for undersea pipelines |
| 11/04/1987 | EP0243675A1 Method of pulsation damping at piston compressors |
| 11/04/1987 | EP0243658A1 Pipeline plugging apparatus |
| 11/04/1987 | EP0243549A2 Leak sealing |
| 11/03/1987 | US4703784 Dual operation tank filling fitting with automatic shut-off |