Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
04/2001
04/18/2001EP1092906A1 Sealing ring for an externally corrugated plastic pipe
04/17/2001US6217688 Method of repairing a flanged pipe joint
04/17/2001US6217441 Method and apparatus for sealing building ductwork during chemical or biological attack
04/17/2001US6216724 Safety valve
04/12/2001WO2001025677A1 Creation of a protective jacket during the laying of lines
04/12/2001WO2001025676A1 Method and apparatus for blocking pipes
04/12/2001WO2001025675A1 Pressure fluid hose and method of dampening pressure pulse in a hydraulic system
04/12/2001DE19948444A1 Membrane damper especially for controlled braking systems has cylindrical support component for membrane and with end face having cup-shaped recess and with circumference having trough-form recess
04/12/2001DE19948288A1 Procedure for leak testing and repair of damaged pipes entails using leak testing device to determine leak, marking damaged area, and moving combination unit until repair device is located in damaged area
04/12/2001DE19948210A1 Safety device for gas pipe with screw closure comprises cap which fits over closure so that tool cannot be fitted on to it to undo it
04/11/2001EP1091129A1 Passive surge control method for compression systems and relative device
04/11/2001EP1090448A1 Method for installing at least one pipe line and/or an empty conduit in supply and sanitation pipes which have already been laid, especially in sewer pipe systems or networks and similar
04/11/2001EP1090336A1 Freeze valve
04/11/2001EP1089903A1 Hydraulic capacity with controlled pressure absorption
04/11/2001EP1089834A1 Apparatus and method for removing and preventing deposits
04/11/2001CN1291290A Tightening strip with tension locking system
04/10/2001US6214096 Air separation apparatus having air vent assembly
04/10/2001US6213140 Hose clamp tool and method for clamping hoses of multiple size
04/05/2001WO2001023213A2 Conduit traversing vehicle
04/04/2001EP1088961A1 Method for trenchless replacement of underground conduits
04/04/2001EP1088637A2 Method and apparatus for processing two-component plastics
04/04/2001EP1087865A1 Improvements relating to lining methods and materials
04/04/2001CN2426062Y Quick leakage repairing device for pipeline
04/04/2001CN2426061Y Quick open blankoff flange for petrochemical natural gas pipeline or container
04/04/2001CN1289672A Method and apparatus for manufacturing plastic products by injection and products thereof
04/03/2001US6210074 Material and method for lining pipes
04/03/2001US6209585 Cover with pivotable handle for a vacuum conduit
04/03/2001US6209584 Method and apparatus for removal of fluid conduit test baffle
04/03/2001US6209560 Pressure testing assembly and testing method for propane tank systems
03/2001
03/29/2001WO2001022432A1 Apparatus for curing an ultraviolet light curable repair material
03/29/2001DE19946042A1 Pipe clamp for central heating, water supply and drainage pipes comprises two arc-shaped side sections held together by top section with locking screw and by counter-plate at bottom
03/29/2001DE19944830A1 Safety device to block off supply lines for liquid and gaseous media, preferably domestic water lines, has flow meter connected to central computer unit to establish operating states
03/28/2001EP1087172A2 Device for closing a pipe end
03/28/2001EP1086332A1 Branch-pipe ferrule and method of inserting same in a lined mains-pipe
03/28/2001CN2425258Y Gas leak-stopping plate piece with pressure
03/27/2001US6206993 Method and apparatus for providing a tubular material within a pipeline
03/27/2001US6206049 Apparatus and method for the robotic repairing of an underground pipe junction with removable heating element
03/27/2001CA2283613A1 Water pipeline foreign matter obstruction remover
03/22/2001WO2001019438A1 Flow control and filtration method and apparatus
03/22/2001DE19945220A1 Device for damping pressure shocks in fluid lines has magnetic device that counteracts line deformations, contains permanent magnet(s) and is coupled to line via spring-mass system
03/22/2001DE19943918A1 Acoustic damper for a fluid/gas flow through a pipe has a carrier plate across the flow direction with absorbent and reflecting layer(s) to suppress generated ultrasonic waves without affecting the flow
03/22/2001DE10040398A1 Non return valve for various applications consists entirely of a plastic material, with the spring element and the valve body produced as a single component
03/22/2001CA2383226A1 Flow control and filtration method and apparatus
03/21/2001EP1085250A1 Pressure expandable conduit liner
03/21/2001EP1085249A2 Hydraulic damper
03/21/2001EP1084345A1 Fuel rail damper
03/21/2001EP0827583B1 Self-centering suspension for in-pipe use
03/20/2001US6203740 Two annular conical feed gaps one within the other, provided between a rotatable rotor and a stator, and an extrudable material is extruded from extruder by means of helicle curve-shaped grooves and flights located between grooves
03/20/2001US6203651 Method and apparatus for making an extrusion product, and an extrusion product
03/20/2001US6203117 Compensator assembly in a hydraulic control unit for vehicular brake systems
03/20/2001US6203019 Machine and method for preventing flange leakage
03/20/2001US6202901 Modular microbarrier™ cap delivery system for attachment to the neck of a container
03/20/2001US6202700 Self-flushing pipe
03/20/2001US6202667 Apparatus and method for stopping the propagation of ignited flammable gas in a conduit
03/15/2001WO2001018444A1 Method and device for refurbishing the leaky walls of conduits having small diameters
03/15/2001WO2001018443A1 Device for reducing pressure pulsations in hydraulic manifolds
03/15/2001WO2001018442A2 Deployment of equipment into fluid containers and conduits
03/15/2001DE19942718A1 Force moderating device for preventing gas pipes from rupturing when they are being dug up consists of area of weakness formed by radial constriction in polygonal area of socket or nipple.
03/15/2001DE19941669A1 Gewebeschlauch Braided hose
03/15/2001CA2383869A1 Device for reducing pressure pulsations in hydraulic manifolds
03/14/2001EP1082210A1 Laminate
03/14/2001EP0879131B1 An extrusion apparatus and method, a tubular product, and a pipe
03/14/2001CN1063206C High temperature resisting adhesive for steel plates, producing process and use thereof
03/13/2001US6199591 Method of using detachable lines for positioning pipeline repair liner
03/13/2001US6199434 Compact device for metering gas at variable pressure
03/13/2001CA2176734C Method and apparatus for sealing leaks
03/08/2001WO2001016520A1 Swage lining
03/08/2001WO2001016519A1 Textile tubing
03/08/2001WO2001016518A1 Inflatable stopper
03/08/2001DE19942369A1 Plastic pipe has sound insulation made of a bituminous composition containing wax, ethyl vinyl acetate and ground limestone
03/07/2001EP1080296A1 Deformable liner tube
03/07/2001EP0978743B1 Device for mounting a sleeve at the inside of a nonaccessible tube
03/07/2001CN1286369A Pressure leakage-stopping method without mould for pipeline of floating-head heat exchanger
03/06/2001US6197239 Extrusion apparatus for preparing a cylindrical plastic product or for coating the product at least with one layer of plastic, the extrusion apparatus comprising at least one conical stator, at least one conical rotor
03/06/2001US6196766 Apparatus for movement along an underground passage and method using same
03/06/2001US6196271 Liner hose for reconstruction of conduits and pipelines and a method for manufacture thereof
03/01/2001WO2001014782A1 Self adaptive segmented orifice device and method
03/01/2001WO2000008506A8 Device for mounting an internal clamp in a pipe which is not man-sized
03/01/2001WO2000001977A8 A removable threaded plug and driver
03/01/2001DE10029475A1 Ceiling support for overhead pipe suitable for pipes of large different cross-sectional diameter and weight
02/2001
02/28/2001EP1079170A1 Surge suppression apparatus
02/28/2001EP1079169A1 Surge suppression apparatus incorporating a pressure regulation assembly
02/28/2001EP1079168A1 Device for mounting and axially fixing a pipe
02/28/2001EP1079120A2 Apparatus for conditioning a gaseous medium
02/28/2001EP1078186A1 Safety contrivance for gas-using device
02/28/2001EP1078158A1 Fuel system damper with vacuum bias
02/27/2001US6192934 Break-away concentric hose coupling
02/27/2001US6192914 Rupture disk safety member
02/22/2001DE19939221A1 Shut-off device for pipe has lengthwise pipe, outer and inner transverse pipe, through-passage and control
02/20/2001US6190090 Apparatus for use in a pipeline
02/20/2001US6189573 Stopper for mounting fitting
02/16/2001CA2280421A1 Damper valve for hydraulic power steering device
02/15/2001WO2001011283A2 A method of closing a pipe
02/15/2001DE19947994C1 Line blocking blast input process, involving use of multi-chamber revolving lock at unpressurized connection of blocking cock (faucet)
02/15/2001DE19936959A1 Quetschventil für medizinische Instrumente und Geräte Pinch valve for medical instruments and equipment
02/14/2001EP1075998A1 Damper valve for hydraulic power steering device
02/14/2001EP1075602A1 Microvalve battery
02/14/2001CN2419459Y High effective silencer for pipeline
02/13/2001US6187443 Used as protective coating for any metallic or non metallic surface
02/13/2001US6187237 Extrusion through at least two conical feed gaps placed one within the other and positioned between a rotatable rotor and a stator; temperature control by regulating the amount of the material flows, the rotor speed