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