Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general › F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
11/1989
11/07/1989CA1262748A1 Externally threaded quick connect coupling having integral fluid pressure assisted seal
11/02/1989WO1989010515A1 Pipeline for conveying a viscous or pasty filling material
11/02/1989EP0339525A2 Device for temporarily plugging the end of a pipe used as a district heating pipe, a water supply pipe or a sewer pipe
11/02/1989EP0339210A1 Pipe enlarging device
11/02/1989EP0247079B1 Obstacle surmounting aid for tracked vehicle
11/02/1989DE3813663A1 Device for shutting off large hot-gas pipes
10/1989
10/31/1989US4876871 Flexible hardroll mandrel assembly for sleeving peripherally located heat exchanger tubes
10/26/1989DE3912205A1 Verfahren und vorrichtung zum einbauen eines ersatzrohrs in einer vorhandenen untergrundleitung Method and apparatus for installing a replacement pipe in an existing underground pipeline
10/25/1989EP0338195A1 Pipeline for a viscous or a pasty filling material
10/25/1989EP0338165A1 Pressure controlled tool for servicing operations in a pipeline
10/24/1989US4875523 Pipeline servicing tool
10/19/1989WO1989009905A1 Seal between a liner pipe and a surrounding exterior pipe
10/18/1989EP0337941A1 Device for preventing furring and corrosion
10/18/1989EP0337414A1 Bearing for pipe-distributing batteries
10/18/1989EP0337031A1 Improved sewer pipe relining method
10/18/1989EP0336931A1 Method and device for mounting a body for use as a sensor or as a blocking device in a conduit containing fluid.
10/18/1989CN1036345A Technology for purging pipe network with air-flow impact method
10/17/1989US4874268 Method and apparatus for building pipeline and shield tunnelling machine
10/17/1989US4873836 Flow noise suppression for electronic valves
10/12/1989DE3810801A1 Throttle device
10/12/1989DE3810615A1 Packer for pressing annular joints
10/11/1989CN2045808U Automatic piercing machine for enclosed pipe
10/10/1989US4872471 Separable and breakaway valve interconnecting a fluid line
10/10/1989US4872424 Intake manifold with removable baffles
10/10/1989US4872253 Apparatus and method for improving the integrity of coupling sections in high performance tubing and casing
10/05/1989DE3808903A1 Method and device for sealing a cable duct
10/04/1989EP0335223A1 Connection piece for joining an inaccessible main to a lateral pipe
10/04/1989EP0334917A1 Process for repairing pipes
10/04/1989EP0334870A1 A method of and apparatus for lining pipes.
10/04/1989CN1036068A Self-sealing and locking pressure tester for tubes
10/03/1989US4871413 Apparatus for manufacturing tubular lining material
10/03/1989US4871278 Bolt-operated clamping device
10/03/1989US4871145 Device for extension of aluminum ducts
09/1989
09/27/1989EP0334519A2 A flow control member for a flow control valve
09/27/1989EP0245339B1 Wide track vehicle
09/26/1989US4869454 Grommet
09/26/1989US4869288 Back pressure valve
09/26/1989US4869281 Service line access system
09/26/1989CA1261598A1 Mechanical plug drill
09/26/1989CA1261371A1 Frangible ball valve connector
09/26/1989CA1260358A1 Radiator valve
09/21/1989WO1989008750A1 A device for controlling fluid flow
09/21/1989DE3808387A1 Process for producing a flow channel, and a flow channel
09/21/1989DE3807954A1 Damping element
09/21/1989DE3807681A1 Device for sound insulation with a low flow resistance
09/21/1989DE3805765A1 Sound-insulating pipe insulation
09/21/1989DE3805750A1 Device which is insensitive to soiling and is intended for sound damping in ducts without additional flow resistance
09/20/1989EP0332942A1 Fluid flow stabilizing apparatus
09/20/1989EP0332931A2 Method for plugging pipelines by freezing and device for carrying out this method
09/20/1989CN1035723A Method and apparatus for conveying an optical fiber member
09/20/1989CN1035722A Method and apparatus for conveying an optical fiber member
09/19/1989US4867921 Process for installing a new pipe inside an existing pipeline
09/19/1989US4867338 High temperature seal
09/19/1989US4867333 High-pressure pin plug
09/19/1989US4867203 A method of relining or preparing sewage pipe using a plastic pipe comprising an outer corrugated pipe and a smooth inner wall
09/19/1989US4867190 Damping pressure pulsations in piping systems
09/14/1989DE3807128A1 Schalldaempfendes wandelement Schalldaempfendes wall panel
09/14/1989DE3807063A1 Pipe sealing clamp
09/14/1989DE3806596A1 Apparatus for the remote-controlled opening of pipe connections
09/14/1989DE3806464A1 Damping arrangement for damping pressure shocks in a fluid flow
09/13/1989CN1035551A Iaminar muffler
09/12/1989US4865673 Method of applying a protective coating to the inner surface of a pipeline and device for carrying out the method
09/12/1989US4865360 Modular differential pressure transmitter/manifold for a fluid conveying pipeline
09/12/1989US4865080 Elastomer die plug
09/12/1989US4865077 L.P.G. hose breakaway coupling
09/08/1989WO1989008219A1 Apparatus for injecting viscous material
09/08/1989WO1989008218A1 Method and device for renovating a duct system
09/08/1989WO1989008217A1 Device for works in for instance pipelines
09/08/1989WO1989008216A1 Vibration suppression device
09/08/1989WO1989008215A1 Soundproofing wall element
09/07/1989DE3905029A1 Device for freezing pipes (tubes) conducting liquid
09/07/1989DE3806261A1 Device for securing pressurised gas lines, from which the gas meter is disconnected
09/06/1989EP0331081A2 Boring apparatus
09/06/1989EP0330769A1 Tubular joint with seal, method for repairing seal, and repair part insert
08/1989
08/30/1989EP0329678A1 Method and device for replacing damaged pipes buried in the ground.
08/30/1989EP0329676A1 A damping treatment for pipes and bodies.
08/29/1989US4861986 Tracer injection method
08/29/1989US4861654 Multilayer carrier films
08/29/1989US4861634 Method for internally lining ducts and sleeves for ducts lined with this method
08/29/1989US4861248 Apparatus for repairing buried pipes
08/29/1989US4861181 Removably plugging element channels
08/29/1989US4860919 Bi-directional sealed nozzle dam
08/29/1989US4860851 Dimensionally-recoverable damping article
08/24/1989WO1989007729A1 Insertable coupling
08/22/1989US4858738 System of auxiliary mass dampers to restrain the response of slender elastic structures to vibrations such as from earthquakes
08/22/1989US4858643 Fluid flow stabilizing apparatus
08/22/1989US4858517 Fire damper kit
08/22/1989CA1258664A1 Vacuum fitting with low voltage wire clip
08/17/1989DE3803925A1 Method of removing liquid accumulation from delivery lines for landfill-site gas, and design of a system for carrying out the method
08/17/1989DE3803813A1 Device and process for shutting off a gas line which leads to a ball cock
08/17/1989DE3803777A1 Device for closing and sealing the free end of a cable conduit
08/16/1989EP0327836A1 Baffle for silencer
08/16/1989EP0327604A1 Device for preventing the deposit of fly fibre
08/16/1989EP0327599A1 Pipe-fracture safety valve
08/15/1989US4856552 Flow regulating device
08/15/1989CA1258362A1 Method of making fluid flow regulators
08/10/1989WO1989007223A1 Method of drilling a branch line aperture after internal lining of a pipeline and a water plug used in the method
08/10/1989WO1989007190A1 A method for sealing an elongated, hollow cavity, and a device for carrying out the method
08/10/1989WO1989007055A1 Resilient connecting device, in particular with incorporated force-measuring device and process for manufacturing it
08/08/1989US4854416 Tuned self-damping convoluted conduit
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