F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints

Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444)
12/2009
12/02/2009	CN201354898Y Device for fixing pipe joint
12/02/2009	CN201354897Y Horticulture waterwheel water nozzle
11/2009
11/25/2009	EP2122220A1 Threaded tubular connection which is leak-proof under internal and external successive pressure loads
11/25/2009	EP2122115A1 Shoulder ring with axial retention means, and tools for installing same
11/25/2009	CN201351775Y Seal joint
11/25/2009	CN101586721A Line pipe joint structure
11/24/2009	US7621570 Pre-expanded connector for expandable downhole tubulars
11/24/2009	US7621323 Solid expandable tubular members formed from very low carbon steel and method
11/24/2009	US7621034 Tubular threaded joint which is impervious to the external environment
11/19/2009	WO2009140389A2 Adjustable tubular nvh damper and torsion absorber
11/19/2009	WO2009138102A1 Threaded adapter between shank and tap
11/19/2009	WO2009099433A8 Energized composite metal to metal seal
11/19/2009	US20090284004 Double containment system, fittings for fluid flow components and associated methods
11/18/2009	CN201348111Y House-service connecting device for gas corrugated pipes
11/11/2009	EP2115339A2 Threaded pipe connection
11/11/2009	EP2115307A1 Connecting arrangement for connecting a first element to a second element of a device particularly conducting liquids
11/11/2009	CN201344327Y Multiline threaded connection type glass fiber reinforced plastic (GFRP) heat-insulating direct-buried pipe
11/11/2009	CN201344326Y Spiral type water receiving structure of washing machine
11/11/2009	CN101576189A Universal connecting pipe fitting
11/11/2009	CN101576183A Expansion sleeve joint with double hook shaped thread connection
11/10/2009	CA2489548C Coupling of drill anchors
11/05/2009	WO2009134160A1 Tight threaded joint for oil field pipes
11/05/2009	CA2721336A1 Tight threaded joint for oil field pipes
11/03/2009	US7610667 Method of connecting expandable tubulars
11/03/2009	CA2470610C Tubing connector
10/2009
10/29/2009	WO2009131253A1 Method for high speed plastic machining of metal component
10/29/2009	WO2009130776A1 Small-size precision bent tube joint and assembly for reducing sum total of specific environmetal load, process for producing the small-size precision bent tube joint and assembly, and mold and working machine for execution of the process
10/28/2009	CN100554746C Method of assembling two hermetic threaded tubular joints comprising a local and initial added thickness by means of plastic expansion
10/22/2009	US20090261575 Adjustable Length Discharge Joint for High Pressure Applications
10/21/2009	CN201330898Y Prismatic threaded long pipe coupling
10/21/2009	CN201330897Y Connecting pipe with screwed nipple
10/21/2009	CN201330895Y Low-temperature and low-pressure circular tube for connecting in series
10/15/2009	WO2008120828A8 Threaded joint for steel pipes
10/14/2009	CN101558297A Ultrasonic testing method of threaded joint of pipes or tubes
10/14/2009	CN101558215A Drill pipe with tool joints
10/14/2009	CN101555960A Water-saving valve for balancing flow
10/08/2009	WO2009123441A1 Conical screw coupling
10/08/2009	US20090250837 Method of manufacture of a nut and tail assembly
10/07/2009	EP2106547A2 High pressure connect fitting
10/07/2009	CN201322148Y High performance oil pipe hermetic seal threaded connection structure
10/07/2009	CN201322147Y Connection structure for small-clearance collar and casing threads
10/06/2009	US7597363 Reinforcing ring for a plastic fitting and plastic fitting incorporating a reinforcing ring
10/01/2009	US20090242817 Apparatus for uninterrupted flushing a well bore
09/2009
09/30/2009	CN201318513Y Oil pipe high-pressure gas seal connection structure
09/30/2009	CN100545498C Threaded tubular connection with progressive axial thread interference
09/29/2009	CA2452426C Pipe thread joint
09/29/2009	CA2418126C Couplings for rotary drill strings
09/24/2009	DE102008014218A1 Seal i.e. ceramic seal, for sealing stainless steel flanges as screwed pipe joint to transport e.g. fruit juice, in food industry, has ceramic material and components with zirconium dioxide matrix and aluminum matrix with hexagonal disks
09/23/2009	CN101539225A Connecting mechanism of sealed insulation pipelines
09/22/2009	US7591059 Expansion activated anti-rotation device
09/17/2009	US20090230679 Pipe Connection
09/16/2009	EP1728018B1 Threaded tubular connection which is resistant to bending stresses
09/16/2009	CN101535701A Male coupling for connecting to female threaded coupling
09/15/2009	US7588270 Threaded tubular joint comprising sealing surfaces
09/10/2009	US20090224537 Brake tube end flare
09/09/2009	EP2098771A1 A coupling device for conduits
09/09/2009	EP1910728B1 Connection element for producing a fluid-tight screw connection, and method for the production thereof
09/09/2009	CN201306542Y Pipe fitting
09/09/2009	CN101529145A Coupling assembly and protective ring therefor
09/08/2009	US7585002 Expandable tubular connection
09/08/2009	CA2519496C Pipe joint
09/08/2009	CA2424124C System, method and apparatus for deploying a data resource within a threaded pipe coupling
09/03/2009	WO2009106623A1 Threaded joint with improved resilient seal ring
09/03/2009	CA2716586A1 Threaded joint with improved resilient seal ring
09/02/2009	EP2096253A1 Threaded joint with improved resilient seal ring
09/02/2009	EP1461560B1 Premium tubular threaded joint comprising at least a threaded element with end lip
09/02/2009	CN101520116A Corrugated pipe joint
09/01/2009	US7581766 Reinforced tubular joint for improved sealing-tightness after plastic expansion
09/01/2009	CA2592730C Threaded joint for steel pipes
09/01/2009	CA2469392C Expandable locking thread joint
08/2009
08/26/2009	EP2092229A1 Threaded connection with perturbed flanks
08/26/2009	CN201297784Y Solar vacuum thermal-collecting tube provided with screw thread at tube mouth and connection device thereof
08/26/2009	CN201297460Y Pipe joint
08/26/2009	CN101517300A 钢管用螺纹接头 A threaded joint for steel pipes
08/25/2009	US7578043 Coupling tubulars
08/25/2009	CA2576656C Cold and hot water connecting tube structure for plastic faucets
08/20/2009	DE202009006248U1 Anordnung zum flüssigkeitsdichten lösbaren Verbinden von zwei Flüssigkeitsbehältern mittels einer Rohrverbindung Arrangement for liquid-tight releasable connection of two liquid containers by means of a pipe joint
08/19/2009	EP1711735B1 Thread protector for tubular members
08/19/2009	CN201293163Y Reducer pipe connecting piece for screwed connection
08/19/2009	CN101509582A Structure and method for enhancing shearing intensity of composite material pipe joint by long and thin lever of composite material
08/19/2009	CN100529498C Threaded joint for steel pipes
08/19/2009	CN100529497C Joint
08/19/2009	CN100529030C Composition for lubricating-film formation suitable for lubrication of screw joint
08/18/2009	CA2527944C Threaded joint for steel pipes
08/14/2009	CA2621300A1 Shape memory hermetic seal and threaded joint incorporating same
08/13/2009	WO2009099433A1 Energized composite metal to metal seal
08/13/2009	US20090200798 Tubular threaded joint
08/12/2009	EP2087266A2 Male coupling for connecting to female threaded coupling
08/12/2009	EP1886056B1 Pipe connection
08/12/2009	CN201288903Y Oil sleeve screwed connection head of negative bearing angle
08/12/2009	CN101504094A Vehicle brake pipe joint
08/12/2009	CN100526691C Metal packing
08/11/2009	US7571936 Screw connection element and protective sleeve therefor
08/06/2009	DE202009007099U1 Schutzschlauch-/-rohr-Schnellverschraubung mit Frontöffner Protective tube - / - pipe connector quick with Frontöffner
08/04/2009	CA2486594C Connector for expandable downhole tubulars
07/2009
07/30/2009	WO2009093929A1 Highly-tight screw joint
07/30/2009	CA2706286A1 A high-tightness threaded joint
07/29/2009	CN201281182Y Connecting piece having consistent inside diameter with main duct
07/29/2009	CN100520143C Screw coupling for oil well pipe
07/29/2009	CN100519984C Threaded joint for steel pipe

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