Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
09/2002
09/12/2002US20020124884 Valve
09/12/2002DE10136570A1 Degassing unit for a liquid in a pipe system, comprises a membrane with a vacuum pump located on the low pressure side
09/12/2002DE10125861C1 System, for moving earth boring tool or pipe section through subterranean bore, comprises linear drive connected by cable to pipe, opposite end being connected by second cable to hose which can be inflated, so that pipe is pulled back
09/11/2002EP1239211A1 Pig compatible valve with water-jet cleaning means
09/11/2002EP1238252A2 Device for testing sealed integrity of a chamber
09/11/2002CN1368594A Method and apparatus for reducing pressure of high-pressure fluid and attenuating pulse energy of fluid in channel
09/10/2002US6446674 Method of producing homogeneous material with an extruder, an extruder, and a multilayer plastic pipe
09/10/2002US6446670 Liner and method for lining a pipeline
09/10/2002US6446669 Pipe sealing apparatus
09/10/2002US6446662 Device for drilling or plugging a hole in a sealed fluid container or conduit wall
09/10/2002US6446652 Backflow preventer assembly
09/06/2002WO2002068856A2 Subsea pig launching apparatus
09/05/2002US20020121777 Polyfusion pipe repair system and method
09/05/2002US20020121776 Break-away lock for a fire hydrant water meter
09/05/2002US20020121338 Method of lining pipes
09/05/2002DE10107947A1 Pulsation and vibration damper for gas pipelines splits flow into main and ancillary flows with ancillary line switched and reversed before re-joining main flow via flow-twisters.
09/04/2002EP1236948A1 A removable connection device for pipelines
09/04/2002EP1236005A1 Cable tensioning device for bursting/flaring devices
09/04/2002EP1236003A1 Device for protecting pipes transporting pressurised fluid
09/04/2002EP0980488A4 Sealing device
09/04/2002EP0951626A4 Thread-forming pipe plug
09/03/2002US6443658 Ram burster
09/03/2002US6442838 Method for manufacturing a throttle
08/2002
08/29/2002WO2002066882A1 System of lines
08/29/2002WO2002037930A3 Subsea pig launcher piston pig
08/29/2002WO2002037010A3 Inflatable stopping bags
08/29/2002US20020120172 Converting a hydrocarbon stream containing a gas phase and a liquid phase to a stable gas hydrate slurry and transporting the resulting gas hydrate sulurry through a subsea gas pipeline
08/29/2002US20020117559 Continuous slurry dispenser apparatus
08/29/2002US20020117223 Waterhammer suppression apparatus
08/29/2002US20020117210 Safety system for fluid conduit
08/29/2002US20020117208 Subsea pig launching apparatus
08/29/2002US20020116820 Method of diminishing the cross section of an opening of a hollow device located in a flow pipe
08/29/2002US20020116776 Subsea pig launcher
08/29/2002DE10107649A1 Vorrichtung zum Einfrieren von Flüssigkeiten und pastösen Medien in Rohren Apparatus for freezing of liquids and viscous media in tubes
08/28/2002EP0753693B1 Compound action type non-water hammering check valve device
08/28/2002CN1366592A Sealing tip for tubular conduit
08/27/2002US6439580 Sealing element for pipelines
08/27/2002US6439266 Pressure pulsation damping valve
08/27/2002US6438782 Apparatus for removing material from pipelines and method of making
08/22/2002WO2002064351A2 Method and apparatus for lining an outer pipe with an inner pipe
08/22/2002WO2000061988A3 Pipe inspection and repair system
08/22/2002US20020114671 Pipe replacement method and rotary impact mechanism for pipe bursting
08/22/2002US20020113870 Pipeline televising apparatus with wireless remote controller
08/22/2002US20020112890 Conduit pulling apparatus and method for use in horizontal drilling
08/22/2002DE10134831C1 Verschlusseinrichtung für eine rohrförmige Leitung zur Förderung eines gasförmigen oder flüssigen Mediums Closure device for a tubular duct for conveying a gaseous or liquid medium
08/22/2002DE10106605A1 System zur Beseitigung oder wenigstens Dämpfung von Schwingungen System to eliminate or at least dampen vibrations
08/21/2002EP1233229A2 Apparatus and process for running through straight or curved ducts
08/21/2002EP1233228A2 Connector assembly for a fluid connection
08/21/2002EP1232326A2 Device for injecting a fluid into a formation
08/21/2002CN1089415C Rupture disk apparatus and its producing method
08/20/2002US6436170 Process and apparatus for removing particles from high purity gas systems
08/20/2002US6435566 Internal conduit sealing member and band
08/20/2002US6434952 Freezer head for pipe freezing devices
08/20/2002US6434825 Method of diminishing the cross section of an opening of a hollow device located in a flow pipe
08/20/2002CA2080501C Method and apparatus for attaching ceramic to metal parts
08/16/2002CA2371237A1 Pipeline televising apparatus with wireless remote controller
08/15/2002WO2002063203A2 Method of diminishing the size of the cross section of an opening of a hollow device located in a flow pipe
08/15/2002WO2002063196A2 Insertable line stopper plug for pipelines
08/15/2002WO2002033300A3 Integrated seal and quick connect plug
08/15/2002US20020110425 Method and apparatus for the trenchless laying of pipework underground
08/15/2002US20020109437 System for damping oscillations
08/15/2002US20020108751 Traction apparatus
08/14/2002CN2505680Y Pressurized sealing leak-stopping hose
08/14/2002CN2505679Y Lined fire hose leak mender
08/13/2002US6431271 Apparatus comprising bistable structures and methods for their use in oil and gas wells
08/13/2002US6431216 Protective tube assembly
08/13/2002US6431079 Surface traversing vehicle
08/13/2002US6430928 Dual action damper for hydraulic clutch actuator
08/08/2002WO2002061326A1 Method for gravity pipeline refurbishment and installation to apply the method
08/08/2002WO2002061237A1 Methods and mechanisms to set a hollow device into and to retrieve said hollow device from a flow pipe
08/08/2002WO2002025156A3 Lining ducts
08/08/2002US20020106247 Insertable line stopper plug for pipelines
08/08/2002US20020104929 Universal support and vibration isolator
08/08/2002US20020104573 Passive flow control valve
08/08/2002DE19929893C2 Verfahren zum grabenlosen Verlegen von Rohrleitungen und Kabeln A method for grave laying of pipelines and cables
08/07/2002EP1229284A1 Vibration absorbing hose
08/07/2002EP1229173A1 Cover device for pipes, particularly man-holes
08/07/2002CN1088900C Multi-layer reinforced and stabilized cable construction
08/06/2002US6428241 Subsea pig launcher
08/06/2002US6428017 Deformable plug for use with reduced diameter end shafts
08/06/2002US6427726 Method for resin activation in pipeline repair
08/06/2002US6427725 Pipeline lateral packer and felt combinations and methods therefor
08/06/2002US6427602 Pipe crawler apparatus
08/01/2002WO2002059522A1 Method for reducing pressure and pulsant energy of high-pressure fluid in a flow pipe and device thereof
08/01/2002WO2002059516A2 Sealing system for ports of vessels used for corrosive fluids
08/01/2002WO2002059451A1 Propulsion device for a stepwise movable pig
08/01/2002US20020102373 Novel textile reinforced thermoplastic or thermoset pipes
08/01/2002US20020102371 Novel textile reinforced thin-walled thermoplastic or thermoset medium pressure pipes
08/01/2002US20020102136 Robotic apparatus and method for treatment of conduits
08/01/2002US20020101040 Pressure-containing plug for a tubular passageway
08/01/2002US20020101003 Method of producing textile reinforced thermoplastic or thermoset pipes utilizing modified dorn structures
08/01/2002US20020100590 Methods and mechanisms to set a hollow device into and to retrieve said hollow device from a flow pipe
08/01/2002US20020100515 Energy attenuation apparatus for a conduit conveying liquid under pressure, system incorporating same, and method of attenuating energy in a conduit
08/01/2002DE3943858C2 Verfahren zum Anbringen eines neuen Rohrs in einer vorhandenen unterirdischen Leitung A method for attaching a new pipe within an existing underground pipe
08/01/2002DE10126180C1 Endseitiger Verschluss eines Rohres End-side closure of a pipe
08/01/2002DE10102560A1 Schallentkoppler für Rohrschellen (Rohrschelle mit Schallentkoppler) Sound insulators for pipe clamps (clamp with sound insulators)
08/01/2002CA2434324A1 Sealing system for ports of vessels used for corrosive fluids
07/2002
07/31/2002EP1227274A1 Enlargement of the section of a flexible pipe by means of pressure
07/31/2002EP0704116B1 Piezoelectric driven flow modulator
07/31/2002CN2503302Y Bound type compression leaking stoppage apparatus