Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
01/2006
01/26/2006DE10208920B4 Differenzdruckwächter Differential pressure switch
01/26/2006CA2497605A1 Pressure relief cap
01/26/2006CA2476915A1 Pig for measuring interior diameter changes in a pipe
01/25/2006EP1619490A2 Testing device for sealing elements
01/25/2006EP1456571B1 Sound absorbing device in a pipe duct
01/25/2006CN2753944Y Pipeline anti-blocking filter
01/25/2006CN1724921A Direct-burried steam fixed compensating well
01/25/2006CN1238654C Process for removing oil stealing branch pipes on oil pipelines
01/25/2006CN1238650C Method and device for lining construction in sewer
01/24/2006US6988585 Sound insulation assembly for mounting in a tubular part, and a tubular part fitted with such assemblies, in particular a motor vehicle part
01/24/2006US6988514 Hydroaccumulator, in a particular a bladder accumulator
01/24/2006CA2357244C Test plug
01/24/2006CA2347616C Hose coupling lock for a valve and method of use of the same
01/24/2006CA2162424C Speed controlled pig
01/23/2006CA2504102A1 Drain trap clean-out system
01/19/2006WO2006006865A2 Method for laying fabric in water pipes and a fabric pack for carrying out the method
01/19/2006US20060012164 Method and apparatus for protecting conduit systems
01/19/2006US20060011413 Method for filtering ultrasonic noise within a fluid flow system
01/19/2006US20060011412 Apparatus for filtering ultrasonic noise within a fluid flow system
01/19/2006US20060011248 Pressure damper and silencer, in particular for connections of sanitary fittings
01/19/2006DE202005018388U1 Plastic pipe section for pipe systems in drain water domestic plumbing has section of pipe which is impinged by drain water provided with core layer made from sound damping material
01/19/2006DE102004032236A1 Emergency shut-off valve for domestic water supplies has pyramidal valve seat which is closed by pear-shaped valve with concave section which faces flow of water and is prolonged into rod shape
01/19/2006DE102004031952A1 High pressure hose for use with high pressure cleaning equipments has closing valve that is controllable according to differential pressure between upstream and downstream hose sections
01/19/2006DE102004031476A1 Balancer for reservoirs in piping system has springs that are deformable by fluid acting upon walls of compensating piston
01/18/2006EP0948703B1 Apparatus and method for expanding a liner patch; a stroke indicator; and a tubular patch
01/18/2006CN2752585Y Multi-functional quick plugging device
01/18/2006CN2752584Y Pipe with press releasing hoop plugging device
01/18/2006CN2752583Y Equipment for making urgent repair on perforating on plastic composite gas pipe with steel skeleton
01/18/2006CN2752582Y Non-stop delivering pressed covering leaks clamping device on pipe
01/18/2006CN2752581Y Internal expansion plug
01/18/2006CN1723359A Pipe renovating system and method
01/18/2006CN1237294C Device for controlling flowing media
01/17/2006US6986813 Sprayed in place pipe lining apparatus and method thereof
01/17/2006US6986366 a tube which can be used to deliver electrically conductive coating material by means of a pig into the vicinity of parts of the system that are grounded or set to a low voltage in a system for mass-production coating of workpieces
01/12/2006WO2006003369A2 In-line pipe inspection tool
01/12/2006WO2004079251A8 Pipe connection repair apparatus
01/12/2006US20060006022 Apparatus for filtering ultrasonic noise within a fluid flow system
01/12/2006US20060005893 Method for lining an existing pipe and collar for protecting a lining material
01/12/2006DE29825193U1 Acoustic tubular damper has outer casing, inner pipe with transverse lot and rectangular cavity, knitted fabric damping and volume cavities
01/12/2006DE202005018452U1 Insert hose for lining pipes and channels, in particular, waste water channels comprises at least two layers, with an additional layer which adjoins the inner layer and is impregnable with a hardenable compound
01/12/2006DE102004029631A1 Carriage for passing flexible tube, has three arms that are movable connected with each other by temporary gear that engages with toothed wheel section of arms and with drive gear of drive, which unfolds arms till arms fit at tube
01/12/2006DE102004029221A1 Vorrichtung zur Schalldämpfung und Vorrichtung zur Leitung eines Fluids A soundproofing and apparatus for conducting a fluid
01/12/2006CA2572252A1 In-line pipe inspection tool
01/11/2006EP1614953A1 Device for sealing conduits used for electric and telephone lines or similar
01/11/2006CN2751205Y Current regulator
01/11/2006CN1235780C Sealing system for ports of vessels used for corrosive fluids
01/10/2006US6983820 Noise and vibration suppressors
01/10/2006US6983766 Lined pipe wherein the liner comprises a one-way valve
01/10/2006US6983758 Prevention of unwanted material accumulations
01/10/2006CA2287865C Energy attenuation apparatus and method for a system conveying pressurized liquid
01/05/2006WO2006001707A1 Thruster pig
01/05/2006WO2006001706A1 Method for hydrate plug removal
01/05/2006WO2006000721A1 Device for retaining two elements in position in relation to one another
01/05/2006WO2005090848A3 A composite pipe lining
01/05/2006US20060002765 Tool assembly with universal coupling for various tools, for work on underground pipes
01/05/2006US20060001265 Housing structure
01/05/2006US20060001264 Absorbent plugs and caps for air conditioning and refrigeration fittings
01/05/2006US20060001258 Segment for a rehabilitating pipe
01/05/2006US20060000999 Sluicing valve device
01/05/2006US20060000993 Cement flow control tool
01/05/2006DE202005017482U1 Pipe inspection unit has inflatable tube mounted behind pivoting head which can be used to seal branch pipe which is then filled with water, sensor in front of tube detecting loss in pressure due to leaks
01/05/2006DE102004028741A1 Inspection system for inaccessible, prefabricated heating ducts in which pipes are mounted comprises closed circuit camera which is attached by suction pads to duct roof
01/04/2006CN2750162Y Air inflation and leakage stopping gun
01/04/2006CN1715727A Tube inner linking material for pipeline local repair and its producing method and use
01/04/2006CN1715726A Method for laying a rehabilitating pipe
01/04/2006CN1715613A Marmen oil field pumping pipe blocking device
01/04/2006CN1234982C Anti-rupture device
01/03/2006US6982382 Device for sealing ducts of electric and telephone lines
01/03/2006US6981821 Subsea pipeline insertion shoe
01/03/2006US6981524 Twist off drive for a tube plug
01/03/2006US6981523 Variable volume reservoir
01/03/2006US6981511 Method and apparatus for servicing a pressurized system
12/2005
12/30/2005CA2510530A1 Absorbent plugs and caps for air conditioning and refrigeration fittings
12/29/2005WO2005124092A1 Pipe tension measuring device
12/29/2005WO2005023494A3 Clamp and repair tool
12/29/2005US20050288819 Apparatus and method for an autonomous robotic system for performing activities in a well
12/29/2005US20050285400 Removable flush cap for a multi-diameter tube coupling
12/29/2005US20050284531 Drill pipe assembly
12/29/2005US20050284530 Duct seepage reduction
12/29/2005US20050284504 Method for hydrate plug removal
12/29/2005US20050283927 Thruster pig
12/29/2005DE102004027398A1 Unit introducing liquid or gas into liquid, e.g. in wastewater treatment plant, includes supply discharging into section of pipe at angle, to set up helical flow with cavitation
12/29/2005DE102004027180A1 Closing device for check opening of e.g. flue gas pipe has two-piece cap for sealing surface flanks of tube end, fixed on pipe control opening, by elastic torus fitted in cap periphery when cap is rotated in axial direction to tube end
12/29/2005DE102004026705A1 Gas-tight decoupling unit for e.g. passenger car`s exhaust system, has hoses and edge units to form annular cavity between hoses with suitable pneumatic connection, which is pressurized in operating condition using ambient air
12/28/2005EP1440273B1 A liner for reinforcing a pipe and method of making the same
12/28/2005EP1356187B1 Methods and mechanisms to set a hollow device into and to retrieve said hollow device from a flow pipe
12/28/2005EP1127210B1 Connector for an expandable tubing string
12/28/2005CN1233776C Efficient composite hydrate anticoagulant
12/28/2005CA2472609A1 Pipe clearing system and device
12/27/2005US6979028 Pipe joint
12/27/2005US6978843 Well configuration and method of increasing production from a hydrocarbon well
12/27/2005US6978807 Water stop for a line installation in a pre-insulated pipeline
12/27/2005US6978804 Particularly suited for rehabilitating buried and undersea pipelines or pipelines installed in areas of restricted access; involves inserting, pushing and pulling a second pipe through the first pipe
12/27/2005US6978803 Flue cap
12/22/2005WO2005121628A1 A hydraulic restrictor
12/22/2005WO2005121612A1 Seal ring for plug
12/22/2005US20050281970 Lateral liner substrates
12/22/2005US20050281617 Mitred grate and drain cover
12/22/2005US20050279697 Pipe filter and closure assembly
12/22/2005US20050279417 Internal pipe repair method and device