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 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)
11/2008
11/26/2008CN201155632Y Rotating-free liquid runner pipe
11/25/2008US7455329 Fast make-up fatigue resistant rotary shouldered connection
11/20/2008WO2008139058A2 Lubrication composition with adaptable friction coefficient for the threaded member of a component of a tubular threaded seal
11/20/2008CA2686880A1 Thread form for tubular connections
11/20/2008CA2683305A1 Lubrication composition with adaptable friction coefficient for the threaded member of a component of a tubular threaded seal
11/19/2008EP1520083B1 Dovetail thread coupling for expandable tubulars
11/19/2008CN201152403Y Polybutene internal thread pipe
11/19/2008CN101307845A Oil conduit screwed connection structure
11/18/2008US7452007 Hybrid threaded connection for expandable tubulars
11/18/2008US7452006 Pipe joint and socket for pipe joint
11/18/2008US7451989 Seal
11/18/2008CA2416053C Downhole data transmission system
11/18/2008CA2411122C Tubular connection floating shoulder ring
11/13/2008US20080277933 Thread form for tubular connections
11/13/2008US20080277925 Screw Joint for Steel Pipe and Process for Manufacturing Thereof
11/12/2008CN100432514C Tube fitting with rotary sealing structure
11/05/2008EP1511957B1 Connector for expandable downhole tubulars
11/05/2008CN201145442Y Solar water heater upper water pipe emptying joint
11/05/2008CN201145104Y High pressure underground gas storing well bore hard seal type joint
11/05/2008CN101300443A Threaded joint for steel pipes
11/05/2008CN101300442A Tubular threaded element provided with a dry protective coating
11/04/2008CA2487361C Screw joint for steel pipe
10/2008
10/30/2008WO2008128267A1 Device for releasably connecting a core drill bit to a drill string
10/30/2008US20080265575 Liquid and Gas Tight Threaded Tubular Connection
10/30/2008US20080265569 Threaded Joint for Pipes Provided with Seal
10/29/2008CN201141486Y Fuel pipe joint device bicycle brake calipers
10/29/2008CN201141485Y High pressure oil pipe line structure of direction converter
10/28/2008CA2370844C Thread form with multifaceted flanks
10/23/2008WO2008125740A1 Tubular threaded member with dry protection coating
10/23/2008CA2683323A1 Tubular threaded member with dry protection coating
10/22/2008EP1532388B1 Tubular threaded joint which is impervious to the external environment
10/22/2008CN201137767Y Conduit pipe connecting component
10/22/2008CN201137766Y Pipe fitting screw thread
10/21/2008CA2482913C Threaded connection especially for radially plastically expandable conduit
10/16/2008WO2008123812A1 Hydraulic coupling
10/16/2008US20080252074 Method of Joining Components, Fitting and Tube Joint Where at Least One of the Components Comprises or is Made of Material Difficult to Weld
10/15/2008CN201133530Y Water tap and water pipe connection structure improvement
10/15/2008CN201133523Y Plastic-aluminum pipe connector
10/15/2008CN201133518Y Dual metal composite pipe fitting with end processed with thread
10/09/2008WO2008121995A1 Threaded insert and method of using same
10/09/2008WO2008120828A1 Threaded joint for steel pipes
10/09/2008DE20221870U1 Wasserzapfarmatur mit Schlauchbrause Water tap faucet with hand shower
10/07/2008US7431351 Pressure-containing tubular connections for remote operation
10/07/2008US7431348 Subsurface drill string
10/07/2008US7431347 Hollow sucker rod connection with second torque shoulder
10/07/2008CA2454336C Threaded joint for steel tube
10/02/2008WO2008117870A1 Screw coupling for steel pipe
10/02/2008WO2008116986A1 Protection device for a female end of a threaded tubular joint component with an unscrewing
10/02/2008WO2008116891A1 Super high torque dope-free threaded joint
10/02/2008US20080238094 Oilfield Threaded Connection
10/02/2008US20080237370 Liquid reservoir, and kit, spray assembly and method using same
10/02/2008CA2681040A1 Super high torque dope-free threaded joint
10/02/2008CA2675280A1 Protection device for a female end of a threaded tubular joint component with an unscrewing
10/01/2008EP1975484A2 System used for safe fixing of caps, valves or similar items to containers
09/2008
09/25/2008US20080231049 Integrated seal gland and coupler assembly
09/24/2008EP1550823B1 Method and device for surface treatment of metal tube
09/24/2008CN201121782Y Threaded sleeve with high leak tightness
09/18/2008WO2008110494A1 Threaded tubular connection which is leak-proof under internal and external successive pressure loads
09/18/2008US20080224471 Male Coupling for Connecting to Female Threaded Coupling
09/18/2008CA2680345A1 Threaded tubular connection which is leak-proof under internal and external successive pressure loads
09/17/2008EP1969278A1 Couplings for water fed poles
09/17/2008EP1969276A1 Modular tubular element
09/17/2008EP1755821A4 Method and apparatus for sealing radially expanded joints
09/17/2008CN201116634Y Conical surface O-shaped ring sealing type pipeline mobile joint
09/17/2008CN101265998A Filament pair with reinforcing rib and preparation method
09/16/2008US7425024 Submersible pump drop pipe and casing assembly connection and method of manufacture
09/16/2008US7424918 Interposed joint sealing layer method of forming a wellbore casing
09/12/2008WO2008108263A1 Screw joint for steel pipe
09/11/2008US20080217916 Threaded joint for steel pipes
09/10/2008EP1967780A1 End connection device for a corrugated pipe
09/10/2008EP1967690A2 High-strength sealed connection for expandable tubulars
09/10/2008CN201111576Y Detachable type water-saving tap
09/10/2008CN101260956A Non-corrodible steel conical pipe joint production process
09/04/2008WO2008104083A1 Shoulder ring with axial retention means, and tools for installing same
09/04/2008WO2008086443A3 High pressure connect fitting
09/04/2008CA2816942A1 Shoulder ring installation tools
09/04/2008CA2677248A1 Shoulder ring with axial retention means, and methods for installing same
09/03/2008EP1965020A1 Protective sleeve for expandable threaded connections
09/03/2008EP1963726A1 External protection for expandable tubular threaded joints
09/03/2008CN101255936A Sealing inner joint
09/02/2008US7419189 Hydraulic fitting
08/2008
08/27/2008CN201106722Y Rapid mounting jig for stud connecting pipe
08/27/2008CN101251210A Joint for water pipe
08/26/2008US7416374 Fast make-up fatigue resistant rotary shouldered connection
08/26/2008US7416223 Fire hose connection with a pressure relieving safety feature
08/26/2008CA2490506C Expandable tubular connection
08/21/2008WO2008100059A1 Pipe connector
08/21/2008DE102008007643A1 Verbindungsstück für eine Messvorrichtung und Verfahren zur Herstellung des Verbindungsstücks Connector for a measuring device and method for manufacturing the connector
08/20/2008EP1959180A1 Pipe joint locking device
08/20/2008EP1959179A2 Threaded joint for steel pipes and process for the surface treatment thereof
08/20/2008EP1957850A1 Connection assembly for drill collars or heavy drill pipes
08/20/2008EP1957849A1 Thread sealing thread and associated production method
08/20/2008CA2622062A1 Fluid line coupler with splash shield
08/20/2008CA2621891A1 Fluid line coupler with splash shield
08/14/2008US20080191479 Screw Joint for Oil Well Tubing
08/13/2008EP1954953A1 Threaded connections with high and low friction coatings
08/13/2008CN201100493Y Compound pipe
08/13/2008CN100410001C Production process of high strength self-sealing composite aluminium-plastic pipe union
08/07/2008WO2008092453A1 Connecting arrangement for connecting a first element to a second element of a device particularly conducting liquids
08/07/2008US20080185844 Female connection part comprising a member for actuating valves and a connection comprising such a female part
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