| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 07/01/1987 | CN86108675A Connection device avoiding contamination |
| 06/30/1987 | US4676275 360 Degree pipe repair clamp |
| 06/24/1987 | EP0226564A1 Connection device avoiding contamination and use of such a device |
| 06/24/1987 | EP0226036A1 Method for applying a protective coating |
| 06/23/1987 | US4674926 Method and apparatus for performing remotely-manipulated work on a conduit of a nuclear facility |
| 06/23/1987 | US4674914 Replacing mains |
| 06/23/1987 | US4674541 Multiple seal for a pressure vessel |
| 06/23/1987 | US4674525 Breakaway hose coupling device |
| 06/19/1987 | DE3544368A1 Pressure damper |
| 06/19/1987 | DE3544022A1 Sound damper for smoke-exhaust and venting ducts |
| 06/16/1987 | US4673449 Sealing of a pipe-joint |
| 06/16/1987 | US4673122 Method and apparatus for repairing copper pipes |
| 06/16/1987 | US4673001 Sealing member for a connection piece or a similar connection part for a conduit for liquid or gas on a container |
| 06/16/1987 | CA1222962A1 Tubular lining material for pipe line |
| 06/15/1987 | EP0210195A4 Ball-point writing instrument containing an aqueous ink composition. |
| 06/09/1987 | US4671840 Process for internally lining a duct, a lining installation using this process and ducts provided with a lining in accordance with this process |
| 06/09/1987 | US4671380 Hydraulic noise attenuators |
| 06/09/1987 | US4671326 Dual seal nozzle dam and alignment means therefor |
| 06/04/1987 | WO1987003353A1 Method for restoring underground pipelines |
| 06/04/1987 | DE3542420A1 Connection device for the compressor capsule of a refrigerating machine |
| 06/02/1987 | US4670543 Process for obtaining complex FVIII/vWF of therapeutical use and resulting products |
| 06/02/1987 | US4670138 Apparatus for controlling an infinitesimal flow rate of fluid |
| 06/02/1987 | US4669999 Lubricant delivering and containment overload shearable coupling |
| 06/02/1987 | US4669506 Resilient domed partition |
| 05/27/1987 | EP0222921A1 Apparatus for preventing pulsating current for liquid chromatography and method therefor |
| 05/27/1987 | DE3541201A1 Device for oscillation damping |
| 05/26/1987 | US4668125 Self-contained, transportable apparatus for inserting a liner into a pipe |
| 05/26/1987 | US4667883 Butterfly valve for fluid flow line |
| 05/26/1987 | US4667770 For use in a gas flow duct |
| 05/26/1987 | US4667733 Protective device for heat exchangers placed in a duct for smoke filled with fine particles of ash |
| 05/26/1987 | US4667699 Device for damping fluid shocks in pipe systems |
| 05/21/1987 | DE3636419A1 Device for closing off and fixing liquid-channelling pipelines |
| 05/20/1987 | EP0115542B1 Tapered threaded member with guide |
| 05/19/1987 | US4666016 Power unit mounting device |
| 05/19/1987 | US4665950 Medium-carrying line having at least one restrictor |
| 05/19/1987 | CA1221919A1 Plugging a cut pipe for soldering a fitting |
| 05/14/1987 | DE3610752A1 Device for joining at least two layers arranged at least approximately parallel to one another |
| 05/12/1987 | US4664968 Heat-settable sealant material |
| 05/12/1987 | US4663795 Pig apparatus |
| 05/07/1987 | WO1987002636A1 Wide track vehicle |
| 05/07/1987 | WO1987002635A1 Unmanned articulated vehicle |
| 05/07/1987 | WO1987002634A1 Obstacle surmounting aid for tracked vehicle |
| 05/06/1987 | EP0220984A1 Conduit obturation system |
| 05/06/1987 | EP0220336A1 Method for joining the pipe ends of a gas conduit |
| 05/05/1987 | US4662048 Method of making a sewer pipe testing apparatus |
| 05/05/1987 | CA1221448A1 Pipeline pig tracking |
| 05/05/1987 | CA1221228A1 Sleeve type repair of degraded nuclear steam generator tubes |
| 04/30/1987 | DE3532180C1 Device for shutting off a pipeline, especially a drinking-water line |
| 04/29/1987 | EP0220020A2 Multiple-value logic circuitry |
| 04/28/1987 | US4660870 Clamp |
| 04/28/1987 | US4660603 Drain pipe plug device |
| 04/23/1987 | WO1987002440A1 Process and device for suppressing standing waves in pipelines |
| 04/21/1987 | US4659126 Duct pulling tool |
| 04/21/1987 | US4659115 Reducer coupling and positioner tool for the coupling |
| 04/21/1987 | US4658861 Test plug assembly |
| 04/21/1987 | US4658860 Pressure set and retrievable vented anchor-seal for pipeline service |
| 04/21/1987 | CA1220797A2 Oil recovery mining method and apparatus |
| 04/21/1987 | CA1220796A2 Oil recovery mining method and apparatus |
| 04/21/1987 | CA1220795A1 Oil recovery mining method and apparatus |
| 04/16/1987 | DE3635264A1 Plug-in coupling |
| 04/16/1987 | DE3536379A1 Air duct, in particular in motor vehicles |
| 04/15/1987 | EP0218049A1 Sealing of tubular members |
| 04/14/1987 | US4657449 Internal sewage line stub cutting tool having automatic bit adjustment |
| 04/14/1987 | US4657436 Device and method for removing irregularities in or enlarging an underground duct |
| 04/08/1987 | EP0217189A1 lining and method of a lining pipe |
| 04/07/1987 | US4655317 Sound damping device, preferably for reducing the noise of blow-off valves |
| 04/01/1987 | EP0216660A1 Sealing device for pipes |
| 04/01/1987 | EP0216100A2 Boring ram with a piston-actuated percussion cutter |
| 03/31/1987 | US4654702 Portable and collapsible pipe crawler |
| 03/31/1987 | US4653782 Pipe repair clamp |
| 03/31/1987 | US4653776 Umbilical safety joint |
| 03/31/1987 | US4653540 Plug for heat exchanger tubes |
| 03/25/1987 | EP0215522A2 Reducer coupling and positioner tool for the coupling |
| 03/24/1987 | US4652222 Ripple regulating system in a liquid supply system |
| 03/24/1987 | US4652023 Repair coupler |
| 03/24/1987 | US4651558 Method and apparatus for inspecting lateral lines |
| 03/24/1987 | CA1219533A1 Tubular lining material for pipe lines having bends |
| 03/19/1987 | DE3532609A1 Sealing apparatus for container openings, pipes and the like |
| 03/18/1987 | EP0214670A2 Method of fastening baffles inside a tube and a closing system provided by such method |
| 03/17/1987 | US4650110 Continuous movement brazing process |
| 03/17/1987 | US4649989 Device for testing and/or repairing steam generator tubes |
| 03/17/1987 | US4649614 Method and apparatus for repair of flanged exhaust connections |
| 03/17/1987 | CA1219228A1 Fluid flow conduit systems |
| 03/12/1987 | WO1987001428A1 Method for connecting together lengths of pipe in addition to join and lengths of pipe manufactured with said method |
| 03/12/1987 | WO1987001427A1 Joint between two tubular elements, preferably made of metal, and methods for the manufacture of such a joint |
| 03/11/1987 | EP0213674A1 A plastic pipe comprising an outer corrugated pipe and a smooth inner wall, and a method of repairing or renovating a sewage pipe |
| 03/11/1987 | EP0213648A1 Shutoff device for a pipe |
| 03/11/1987 | EP0213209A1 Lining material for duct |
| 03/11/1987 | EP0213163A1 Sound attenuation box. |
| 03/11/1987 | CN85101518A Energy absorbing apparatus for piping system and the like |
| 03/10/1987 | US4649492 Tube expansion process |
| 03/10/1987 | US4648746 Pipe laying and replacement |
| 03/10/1987 | US4648626 Telescopic joint for repairing underwater pipelines laid at a great depth |
| 03/10/1987 | US4648454 Robot |
| 03/10/1987 | US4648419 Assembly of pipes |
| 03/04/1987 | EP0212456A2 Piping travelling apparatus |
| 03/04/1987 | EP0212003A1 Protective device for heat exchangers placed in fine ash particles-laden smoke duct |
| 03/04/1987 | EP0211833A1 Fast clamping device |
| 03/04/1987 | EP0211825A1 Device to fill in and glue all kinds of depressions in inaccessible pipe conduits. |
| 03/03/1987 | US4647072 Repair sleeve for piping |