| Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444) |
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| 03/20/2008 | US20080067808 Threaded Pipe Joint Coupling With Wire Lock Device |
| 03/20/2008 | US20080067758 Disassembleable Washer Device for Down-Hole Drills |
| 03/13/2008 | WO2008029957A1 Method for evaluating fastening state of threaded joint of pipes or tubes and method for fastening threaded joint of pipes or tubes using the method |
| 03/13/2008 | US20080060481 Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings |
| 03/13/2008 | CA2662277A1 Method for evaluating fastening state of threaded joint of pipes or tubes and method for fastening threaded joint of pipes or tubes using the method |
| 03/12/2008 | CN201034219Y Pipe coupling |
| 03/05/2008 | EP1502052B1 Pipe connection for pipe pieces made of plastic |
| 03/05/2008 | CN100373084C A threaded joint for tubes |
| 02/28/2008 | US20080048440 Direct port connection for tubes |
| 02/27/2008 | EP1892449A1 Threaded joint for steel pipes |
| 02/27/2008 | CN201028176Y Wire-connecting pipe fitting |
| 02/27/2008 | CN201028175Y One-shot forming inverted and ordered wire tooth pipe joint |
| 02/27/2008 | CN201028140Y Enhancement type plasma oxide film deposition device cavity cover cooling water pipe |
| 02/27/2008 | CN101131070A Protective sleeve for threaded connections for expandable liner hanger |
| 02/27/2008 | CN100371654C Connection fitting for heating body and method for fixing connection fitting on heating body |
| 02/26/2008 | US7334821 Premium threaded tubular joint comprising at least a threaded element with end lip |
| 02/21/2008 | WO2008022357A1 Pipe coupling |
| 02/21/2008 | DE202007004065U1 Vorrichtung zur Anbringung einer Markierung an Rohrenden A device for attaching a label to the tube ends |
| 02/19/2008 | US7331614 Tubular threaded joint with trapezoid threads having convex bulged thread surface |
| 02/14/2008 | WO2008017454A1 Composable pipework having a plurality of modular tubular ducts |
| 02/13/2008 | EP1887269A1 Composable pipework having a plurality of modular tubular ducts |
| 02/13/2008 | EP1886056A1 Pipe connection |
| 02/13/2008 | CN201021740Y Connector of tool pole and its tool holding pole |
| 02/05/2008 | CA2443528C Threaded joint for steel pipe |
| 01/31/2008 | WO2006113760A3 Threaded connector with interlock |
| 01/30/2008 | EP1882874A1 Threaded joint for oil well pipe |
| 01/30/2008 | CN201014084Y Multifunctional quick dispatch pressure gage tap |
| 01/30/2008 | CN101116021A Sealed tube coupling for optical fiber tubes |
| 01/23/2008 | EP1881089A1 Fasteners coated with boron nitride and means for securing fasteners |
| 01/23/2008 | EP1880134A1 Novel treating method and design method for tubular connections |
| 01/23/2008 | EP1379804B1 Threaded connection |
| 01/23/2008 | EP1015802B1 Ultra high torque double shoulder tool joint |
| 01/22/2008 | CA2316142C Threaded union with high resistance to overtorque and compression |
| 01/17/2008 | US20080012332 Pipe coupling adapter |
| 01/17/2008 | US20080012322 Pseudo two-step connection |
| 01/17/2008 | US20080012321 Resistance to fatigue of a threaded tubular connection |
| 01/17/2008 | US20080012320 Tubing connection arrangement |
| 01/10/2008 | US20080007063 Feed screw coupling for the base oh hybrid outlet spigot |
| 01/10/2008 | US20080007060 Coupling tubulars |
| 01/10/2008 | DE202007013260U1 Adaptives Metallgewinde Adaptive metal thread |
| 01/09/2008 | EP1874961A2 Thread sealants with engineered fibers |
| 01/09/2008 | EP1874530A2 Reinforced polypropylene pipe |
| 01/09/2008 | CN101103221A 钢管用螺纹接头 A threaded joint |
| 01/09/2008 | CN101101079A Quick coupling for threaded fittings |
| 01/09/2008 | CN101101078A Connecting external thread for water feeding and water tap containing same |
| 01/08/2008 | CA2400820C Fatigue-resistant threaded bevelled tubular element |
| 01/02/2008 | CN200999932Y Heat collectors header locking unit connecting component |
| 12/27/2007 | DE202006012982U1 Verbindungsvorrichtung Connecting device |
| 12/26/2007 | EP1870623A1 Assembly of male and female members |
| 12/26/2007 | CN101095003A Expandable threaded connection |
| 12/20/2007 | DE102006012590B4 Luftfilteranschlusseinheit Air filter connection unit |
| 12/19/2007 | EP1585611A4 Hang-free thread design |
| 12/19/2007 | CN200992958Y Dual shoulder anti-torsion joint |
| 12/19/2007 | CN200992957Y Saw tooth thread connecting mechanism |
| 12/18/2007 | CA2410425C Tubular threaded joint capable of being subjected to diameteal expansion |
| 12/18/2007 | CA2388688C Threaded tubular joint proof to external pressure |
| 12/12/2007 | EP1865242A2 Multi-component connecting structure |
| 12/12/2007 | EP1864048A1 Threaded joint for steel pipes |
| 12/12/2007 | EP1864047A1 Threaded joint for pipes provided with seal |
| 12/12/2007 | EP1540227B1 Threaded tube joint |
| 12/12/2007 | CN200989501Y Gas supply branch pipe connection assembly |
| 12/12/2007 | CN101086306A Composite pipe and its producing method |
| 12/06/2007 | WO2006017315A3 Shower nozzle with gasket adaptor |
| 12/06/2007 | DE102005052764B4 Verbindungsanordnung mit einem Verriegelungsmechanismus sowie Sicherungselement für eine derartige Verbindungsanordnung Connecting arrangement with a locking mechanism, and securing element for such a connecting arrangement |
| 12/05/2007 | CN101084394A Method of joining components, fitting and tube joint where at least one of the components comprises or is made of material difficult to weld |
| 12/04/2007 | CA2496008C Aligned and axially loaded pig injector valve |
| 12/04/2007 | CA2400824C Threaded tubular element for fatigue resistant threaded tubular joint and resulting threaded tubular joint |
| 11/29/2007 | US20070272419 Threaded Connection for Expandable Tubulars |
| 11/28/2007 | EP1860363A1 Pipe fitting |
| 11/28/2007 | EP1859306A1 Sealed tube coupling for optical fiber tubes |
| 11/20/2007 | CA2452756C High torque modified profile threaded tubular connection |
| 11/14/2007 | EP1599689B1 A threaded joint for tubes |
| 11/14/2007 | CN200975580Y Pipe joint for ice-storing barrel sub-manifold and ice-storing pipe coil |
| 11/14/2007 | CN200975567Y Hot forging aluminium alloy screw and nut joint assistant for pipeline |
| 11/14/2007 | CN101072966A Sealing material for sealing pipe adapter and method, method for making sealing material and distributor |
| 11/13/2007 | CA2410794C Tubular threaded joint with reinforced stop |
| 11/07/2007 | CN101067461A Producing technology for total ceramic tap valve body and application thereof |
| 11/06/2007 | CA2441240C Tubing connection arrangement |
| 10/31/2007 | EP1664477B1 Locking device for built pipe connections |
| 10/31/2007 | CN200968455Y Double shoulder arc-to-cone sealed tube screwed connection structure |
| 10/31/2007 | CN101063502A Anticompress and anti-bending shouldered hook-shape teeth screwed connection structure |
| 10/25/2007 | US20070246935 Male Element for a Sealed Threaded Tubular Connection |
| 10/24/2007 | CN200965113Y Thin wall rustless steel pipe rotary-inserting type adaptor |
| 10/23/2007 | US7284770 Thread protector for tubular members |
| 10/18/2007 | WO2007117630A1 Slotted thread protection device |
| 10/18/2007 | US20070241563 Universal nipple for wall-mountable structures |
| 10/17/2007 | EP1844255A1 Threaded joint for steel pipes |
| 10/17/2007 | EP1565683B8 Improved casing joints |
| 10/11/2007 | WO2007115183A1 Mismatched flanks for a wedge thread |
| 10/11/2007 | WO2007115096A1 Threaded connection with variable flank angles |
| 10/11/2007 | WO2007114460A1 Tubular threaded joint |
| 10/11/2007 | US20070236015 Threaded joint for steel pipes |
| 10/11/2007 | DE202007009659U1 Variable Rohrverlängerung Variable extension tube |
| 10/11/2007 | CA2647488A1 Threaded connection with variable flank angles |
| 10/10/2007 | CN200958662Y Sealed screw thread |
| 10/09/2007 | USRE39869 High efficiency drill pipe |
| 10/09/2007 | US7278662 Hose coupling device |
| 10/03/2007 | EP1838985A1 Method of joining components, fitting and tube joint where at least one of the components comprises or is made of material difficult to weld |
| 10/03/2007 | CN200954482Y Screw-joint structure improvement of spraying tool |
| 09/27/2007 | WO2007109795A2 Plumbing test cap with pivotal latch |