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)
10/1990
10/11/1990DE3910796A1 Conveying hose for building materials with an easy-to-operate cleaning device
10/10/1990EP0391270A1 Use of low shrinkage systems on the basis of unsaturated polyester resins in the restoration of pipe-lines
10/10/1990EP0391046A1 Method of joining a renovated sewer main to a connecting lateral or similar
10/10/1990EP0391026A2 Device for decoupling two pipe parts
10/08/1990WO1990012243A1 Method of repairing a pipeline and apparatus for use in such a method
10/08/1990CA2030791A1 Apparatus for refurbishing pipelines and sewer pipes through the application of a lining to their inner walls
10/07/1990WO1990012241A1 Improvements relating to the lining of pipelines or passageways
10/07/1990CA2051417A1 Lining of pipelines or passageways
10/04/1990WO1990011468A1 Improvements relating to the lining of pipelines or passageways
10/04/1990WO1990011212A1 Antilock hydraulic braking system
10/04/1990WO1990011175A1 Improvements relating to flexible tubular structures, methods of manufacturing same and pipes and pipe linings formed from said flexible tubular structures
10/04/1990DE3910732A1 Closure plug
10/04/1990DE3909658A1 Process for lining pipelines
10/03/1990EP0389885A1 Appliance for breaking open and depressing old pipes into the surrounding earth
10/03/1990EP0389841A1 Tank connector construction and method of fabrication
10/03/1990CN1009806B Technology for purging pipe network with air-flow impact method
10/02/1990CA1274792A1 Apparatus for repairing buried pipes
10/02/1990CA1274750A2 Pressure balanced seals for vented accumulators
09/1990
09/27/1990DE3909209A1 Antilock hydraulic brake system
09/27/1990DE3909047A1 Process for closing off gaseous-media-channelling pipes
09/26/1990EP0388554A2 Bend detector pig
09/25/1990US4958959 Method of relining sewers and water lines without excavation
09/25/1990US4958860 Vibro-isolating joint
09/20/1990DE4008568A1 Verfahren und vorrichtung zur aktiven steuerung von schwingungen Method and device for active control of vibrations
09/19/1990EP0387473A1 Noise filter for sanitary systems
09/19/1990EP0275277B1 Locking of cover against a flange
09/19/1990CN2062399U Damper
09/18/1990US4957215 Segmented nozzle dam
09/18/1990US4957141 Pipe-end protector
09/13/1990DE4004055A1 Pipe fixing with sound absorption plates - has divided bearing plate and takes up cross forces and moments
09/13/1990DE3907067A1 Pipe-securing means
09/12/1990EP0387132A1 Self-closing connection device between containers
09/12/1990EP0386517A1 Conduit
09/12/1990EP0386299A1 Apparatus for sealing the ends of ducts without cables
09/12/1990EP0386096A1 Improvements in or relating to the re-lining of sewers.
09/12/1990EP0291003B1 Hollow plag for sealing a heat exchanger tube
09/11/1990US4956681 Ternary logic circuit using resonant-tunneling transistors
09/11/1990US4956041 Method of lining branch pipe portion of underground main pipe with rigid plastics tube
09/11/1990US4956038 Flexible tubes, bonding for subterranean pipes rable binder; underwater use
09/11/1990US4956032 Method of grouting using a vacuum
09/11/1990US4955951 Boring apparatus
09/11/1990US4955755 Device for the in situ repair of a pipe
09/11/1990US4955194 Damping arrangement for damping the oscillations of valve controlled by pressure fluid
09/11/1990CA1273860A1 Stabilising device for a polyphase flow
09/08/1990CA2011276A1 Pulsation dampening device for super critical fluid expansion engine, hydraulic engine or pump in cryogenic service
09/07/1990WO1990010173A1 Improvements relating to the lining of pipelines or passageways
09/07/1990WO1990010172A1 Improvements relating to the lining of pipelines and passageways (rib-lok modification)
09/07/1990WO1990010032A1 Rubber compositions
09/06/1990DE4006785A1 Blocking control for pipeline - incorporates expanding membrane stretched under inspection hatch and inflated to seal pipe
09/05/1990EP0385816A1 Pressurized-fluid accumulator
09/05/1990CN2061638U Dredging sealing and stopping device for covering leaks in pipes
09/04/1990US4954393 Multilayer; nylon and weldable plastic
09/04/1990US4954312 Remotely installed steam generator nozzle dam system
09/04/1990US4954016 Sewer pipe relining method
08/1990
08/30/1990DE3905887A1 Device for the noise damping of pressure surges in water-channelling lines
08/30/1990DE3905720A1 Device for protecting the gas or water supply lines of buildings against leakage
08/29/1990EP0383893A1 System for monitoring the location within pipes of moving metallic cleaning devices
08/29/1990CN2061241U Sealing installation for intercepting flow
08/28/1990US4951758 Method of drilling a branch line aperture after internal lining of a pipeline and a water plug used in the method
08/28/1990CA1273446A1 Heat recoverable article comprising conductive polymer compositions
08/22/1990EP0383066A2 Conduit rupture protection valve
08/21/1990US4950446 Method of lining pipes
08/21/1990US4950356 Method of and apparatus for lining pipes
08/21/1990US4950002 Screw seal
08/21/1990US4950000 Flanged pipeline connections
08/21/1990US4949744 Method and device for mounting a body in a conduit containing fluid
08/16/1990EP0382168A2 Computerized analyzing system for piping network
08/16/1990EP0381880A1 Explosively welding sleeves to inner surfaces of tubes
08/16/1990DE3904525A1 Process for lining pipelines
08/16/1990DE3904524A1 Process for lining pipelines
08/16/1990DE3903872A1 Suspension means for two pipes which are arranged essentially vertically one beneath the other
08/14/1990US4948452 Apparatus for lining pipe lines including liquid seal means
08/14/1990US4948298 Process for restoring channels threatening to collapse, in particular profiled channels
08/11/1990WO1990009541A1 Improvements relating to the lining of pipelines and passageways
08/11/1990CA2046662A1 Lining of pipelines and passageways
08/09/1990WO1990009556A1 Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices
08/09/1990DE3903009A1 Device for freezing pipelines through which media flow, in particular water conduits (water piping)
08/09/1990DE3903008A1 Device for freezing pipelines through which media flow, in particular water conduits (water piping)
08/09/1990DE3902449C1 Battery-operated, automotive vehicle as equipment carrier
08/09/1990CA2024105A1 Apparatus for cleaning the inner surfaces of tubes in operating multi-tube heat transfer devices
08/08/1990EP0380492A1 Process for repairing structures, objects, in particular sewers and pipes of defective stability and watertightness, without dismantling
08/08/1990EP0315804B1 Muffler hanger for a motor vehicle
08/07/1990US4945775 Inertial based pipeline monitoring system
08/07/1990US4945758 Method and apparatus for monitoring the interior surface of a pipeline
08/07/1990US4945623 Method of repairing a seal jointing fitting repair
08/02/1990DE3902349A1 Device for exchanging a valve which shuts off a pipeline which is under pressure
08/01/1990EP0380196A1 Safety connection into passages in a tubular body
08/01/1990EP0380195A1 Safety connection into passages in a tubular body
08/01/1990EP0379707A2 Pneumatic pipe-expanding device
08/01/1990EP0379493A1 Slip control for helically wound pipes.
08/01/1990CN1044327A Sealing & blocking method by freezing for liquid-transport pipe-line and its equipment
07/1990
07/31/1990US4944320 Chemical control of root growth in sewers and the like
07/31/1990US4944161 Apparatus for freezing liquid-carrying pipes
07/31/1990CA1272170A1 Apparatus and method for providing relatively dry, oil free compressed instrument air
07/26/1990DE3901616A1 Process for producing a web of flexible material formed with at least one inflatable chamber, process for producing a packer and a packer
07/25/1990CA2007158A1 Safety connection into passages in a tubular body
07/18/1990EP0378480A1 Device for inspecting the interiors of conduits
07/18/1990EP0378117A2 Apparatus for separating and venting gas entrained in a liquid flow stream
07/17/1990US4941512 Method of repairing heat exchanger tube ends
07/17/1990US4941511 Device with a valve function
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