| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 03/03/1987 | US4646816 Simplified tube plugging |
| 03/03/1987 | US4646787 Pipe worm |
| 03/03/1987 | US4646773 Breakaway hose coupling |
| 02/26/1987 | WO1987001173A1 A method of and apparatus for lining pipes |
| 02/26/1987 | DE3530430A1 Silencer link |
| 02/25/1987 | CN86203629U Sucking pipe to keep out dregginess |
| 02/24/1987 | US4644975 Device for preventing rupturing of a pipeline |
| 02/24/1987 | US4644791 Moving apparatus for a hollow curved pipe-arrangement and an operating method in the pipe-arrangement by using the moving apparatus |
| 02/24/1987 | US4644780 Self-supporting pipe rupture and whip restraint |
| 02/19/1987 | DE3528395A1 Tensioning clamp for fixing devices on pipe stubs |
| 02/17/1987 | US4643855 Sealing joints and leaks |
| 02/17/1987 | US4643216 Frangible ball valve connector |
| 02/12/1987 | WO1987000906A1 Device for internal coating of pipes |
| 02/12/1987 | DE3528247A1 Pulsation damper |
| 02/10/1987 | US4642035 Cross loop attenuator for hydraulic systems |
| 02/10/1987 | CA1217799A Connecting or repair device |
| 02/10/1987 | CA1217732A No-hole insertion joint and method |
| 02/04/1987 | EP0210899A1 Removable plug for an opening only accessible via a narrow passage |
| 02/04/1987 | EP0210195A1 Ball-point writing instrument containing an aqueous ink composition. |
| 02/03/1987 | US4640313 Interlining of pipelines for transporting sewage, water, slurries, liquid and gaseous hydrocarbons, and the like |
| 02/03/1987 | CA1217416A1 Lining of pipelines or passageways |
| 01/29/1987 | DE3526301A1 Sealing plug |
| 01/28/1987 | EP0209686A2 Process and device for pretreating an old underground pipeline for replacement by a new one |
| 01/27/1987 | US4639016 Pipeline repair kit |
| 01/21/1987 | EP0209396A2 Lining material, e.g. for pipes |
| 01/20/1987 | US4638278 Magnetic detector apparatus |
| 01/20/1987 | US4637909 Process for producing double-layered structures |
| 01/20/1987 | US4637756 Apparatus for removing and replacing pipe beneath an earthfill |
| 01/20/1987 | US4637588 Non-bolted ringless nozzle dam |
| 01/20/1987 | US4637436 Annular tube-like driver |
| 01/20/1987 | US4637434 Three-way valve for an attenuator |
| 01/17/1987 | CN85101945A Heating tool for heating pipe connector sleeves |
| 01/13/1987 | US4636196 Method for providing a bubbleless connection between filling tubes for blood or the like and a container used for said connection |
| 01/13/1987 | US4635840 Forming method using an electromagnetically exploded filament |
| 01/13/1987 | US4635751 Silencer |
| 01/08/1987 | DE3523504A1 Sealing plug |
| 01/08/1987 | DE3523385A1 Device for vibration damping |
| 01/07/1987 | CN86201761U Kk type fluid wave filter |
| 01/07/1987 | CN86201759U Hk and kh type fluid wave-filter |
| 01/06/1987 | US4633910 Pulsation absorbing means having one or more valve shoes divided into two parts each displays suitable function |
| 01/06/1987 | CA1216276A1 Apparatus and method for extracting horizontal underground pipe |
| 01/06/1987 | CA1216211A1 Floor trap primer valve |
| 01/06/1987 | CA1216195A1 Application of ambient temperature cured polymers or prepolymers to a cured elastomer |
| 01/02/1987 | DE3625566A1 Damping device for a liquid flow |
| 12/30/1986 | US4632791 Passage controlled by an elastically deformable ring |
| 12/30/1986 | EP0205799A1 Equalizing device for flow and pressure fluctuations in a fluid flow network |
| 12/30/1986 | EP0205621A1 Lining material for pipes |
| 12/23/1986 | US4630676 Remotely controlled hydraulic cutter apparatus |
| 12/23/1986 | US4630647 Pipe repair clamp |
| 12/17/1986 | EP0205367A1 Under pressure inflatable device for obturating a conduit comprising a self-clamping device for reinforced layers |
| 12/17/1986 | EP0204694A1 Device for carrying out improvement work on a damaged pipeline which is no longer accessible. |
| 12/16/1986 | US4629562 Pulse dampener |
| 12/16/1986 | US4628964 Background device for separating member in accumulator chamber |
| 12/16/1986 | US4628955 Externally applied valve for water lines |
| 12/16/1986 | US4628613 Bend detector for a pipeline pig |
| 12/10/1986 | EP0204270A2 A method and a fastener for closing and sealing pipes subjected to internal pressure |
| 12/09/1986 | US4627471 Sealing joints and leaks |
| 12/09/1986 | US4627470 Sealing ducts |
| 12/02/1986 | US4626134 Apparatus and method for extracting horizontal underground pipe |
| 12/02/1986 | US4625766 Isolation and protection device for working on tubing, and in particular on nuclear power station tubing |
| 12/02/1986 | US4625765 Plug, for fluid-sealing of tubes |
| 12/02/1986 | US4625746 Automatic fluid sealing mechanism for a conduit with a frangible connector |
| 11/26/1986 | EP0202592A1 Pressure-tight plug coupling |
| 11/26/1986 | EP0202502A1 Accumulator with first and second chamber |
| 11/25/1986 | US4624824 Reactor vessel sealing plug |
| 11/20/1986 | WO1986006823A1 Lock for retaining spherical cleaning bodies |
| 11/20/1986 | WO1986006822A1 Lock for retaining spherical cleaning bodies |
| 11/20/1986 | WO1986006815A1 Apparatus for preventing pulsating current for liquid chromatography and method therefor |
| 11/20/1986 | EP0202182A1 Process for the treatment and/or the coating of the inner surfaces of pipes |
| 11/18/1986 | CA1214259A1 Device for monitoring the interior of a conduit |
| 11/18/1986 | CA1214081A1 Coated composite material for lining passages |
| 11/12/1986 | EP0200820A1 Sluice for collecting spherical cleaning bodies |
| 11/12/1986 | EP0100310B1 Circuitous path flow restrictor |
| 11/11/1986 | US4621796 Airspring with pneumatic fitting |
| 11/11/1986 | US4621532 Chain-like self-moving robot and control system therefor |
| 11/05/1986 | EP0199856A1 Sluice for collecting spherical cleaning bodies |
| 11/05/1986 | CN85103817A Medium-carrying pipeline having at least on restrictor |
| 11/04/1986 | CA1213531A1 Apparatus for seeking out and repairing leaks in pipes |
| 11/04/1986 | CA1213530A1 Packer for sealing lateral lines |
| 10/29/1986 | EP0199462A1 End closure for flexible plastic tubes |
| 10/29/1986 | CN86102876A Accumulator with integral high pressure reservoir and recharge valve. |
| 10/28/1986 | US4619555 Method of retrofitting an in-ground drainage system with a drain pipe liner |
| 10/21/1986 | US4617975 In a fuel dispensing system |
| 10/21/1986 | US4617962 Hydraulic device |
| 10/15/1986 | EP0197295A1 Temporary flow device for a gas mains using inflatable bladders |
| 10/14/1986 | US4616678 Means for preventing water hammer in fluid-feeding system |
| 10/14/1986 | CA1212590A1 Apparatus for testing and/or repairing steam generator tubes |
| 10/08/1986 | EP0196812A2 Hydraulic noise attenuators |
| 10/07/1986 | US4616258 Device for monitoring the interior of a conduit |
| 10/07/1986 | US4615411 Sound-insulated flow duct and process for the manufacture thereof |
| 10/07/1986 | US4615320 Damper element |
| 10/01/1986 | EP0195978A1 Plug for sealing faulty heat-exchanger tubes |
| 10/01/1986 | EP0195797A1 Pipeline pig |
| 09/30/1986 | US4614201 Break-away coupling for hoselines |
| 09/30/1986 | CA1211935A1 Plug for use in thermal-medium passages in air conditioning systems |
| 09/25/1986 | WO1986005569A1 Grouting method |
| 09/25/1986 | WO1986005425A1 Fast clamping device |
| 09/24/1986 | EP0195042A1 Lining underground ducts |
| 09/16/1986 | US4612089 Surge suppression device |
| 09/16/1986 | US4611813 Method of and apparatus for providing an annular seal |