| Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444) |
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| 03/30/2004 | US6712402 Double shoulder oilfield tubular connection |
| 03/30/2004 | US6712401 Tubular threaded joint capable of being subjected to diametral expansion |
| 03/25/2004 | US20040056432 Metal seal with corrosion resistant alloy overlay |
| 03/25/2004 | US20040055759 Apparatus and method to expand casing |
| 03/18/2004 | WO2004023020A1 Threaded tube joint |
| 03/18/2004 | WO2004023014A2 Threaded connection for expandable tubulars |
| 03/18/2004 | US20040051316 Strengthened pipe fitting having encapsulated reenforcing collar |
| 03/18/2004 | US20040051306 High-pressure connection device |
| 03/18/2004 | CA2497517A1 Threaded tube joint |
| 03/16/2004 | US6705648 Pipe joint |
| 03/11/2004 | WO2004020889A1 Tubular threaded joint which is impervious to the external environment |
| 03/11/2004 | US20040046388 Tubular connection floating shoulder ring |
| 03/10/2004 | CN2606229Y Pipe connector |
| 03/04/2004 | WO2004018824A2 Magnetic impulse applied sleeve method of forming a wellbore casing |
| 03/04/2004 | WO2004018823A2 Interposed joint sealing layer method of forming a wellbore casing |
| 03/04/2004 | US20040041353 Metal packing |
| 03/03/2004 | EP1394458A1 Joint for high pressure fluid |
| 03/03/2004 | EP1394450A1 Metal packing |
| 03/03/2004 | CN2605448Y Outer-threaded adjustable joint |
| 03/02/2004 | US6698802 Pipe joint |
| 03/02/2004 | US6698670 Friction fit paint cup connection |
| 02/26/2004 | US20040036287 Seal for pipelines threaded joints and its use |
| 02/26/2004 | US20040036286 Screw threaded joint for continous-profile tubes |
| 02/26/2004 | US20040036233 Sealing ring |
| 02/26/2004 | DE20316814U1 Wasserspritzvorrichtung Water cleaning unit |
| 02/26/2004 | CA2438147A1 Seal for pipelines threaded joints and its use |
| 02/25/2004 | EP1391640A1 Sealing ring |
| 02/24/2004 | US6695357 Threaded pipe connection having a retainer gasket with pressure relief vents |
| 02/19/2004 | WO2004015323A1 Thread design for uniform distribution of makeup forces |
| 02/19/2004 | CA2464663A1 Thread design for uniform distribution of makeup forces |
| 02/18/2004 | EP1389705A1 Pipe thread joint structure and pipe thread joint method |
| 02/18/2004 | EP1222417B1 Threaded tubular joint proof to external pressure |
| 02/18/2004 | EP1020674B1 Oil well pipe screw joint, and threading method therefor |
| 02/18/2004 | CN1475389A Connection device of high pressure flexible conduit |
| 02/17/2004 | US6692036 Universal interlocking fitting |
| 02/12/2004 | WO2004013531A1 Coupling for anchor bolts |
| 02/12/2004 | US20040026924 Thread design for uniform distribution of makeup forces |
| 02/12/2004 | DE10234740A1 Lever-operated retractable hose and shower rose has union fitting with left or right hand thread and O-ring seal |
| 02/10/2004 | US6688607 Polydimethyl siloxane and filler |
| 02/05/2004 | US20040021314 Pipe integral threaded joint |
| 02/04/2004 | EP1387036A2 Thread joint for tube |
| 02/03/2004 | US6685236 Helically wound expandable tubular insert |
| 01/29/2004 | WO2004010163A1 Marking of pipe joints |
| 01/29/2004 | US20040017081 Coupling tubulars |
| 01/29/2004 | US20040017080 Threaded pipe joint |
| 01/29/2004 | US20040017079 Threaded pipe joint |
| 01/29/2004 | CA2493775A1 Marking of pipe joints |
| 01/28/2004 | CN1470796A Air-feeding hose connecting member |
| 01/28/2004 | CN1136409C Threaded connection of two metal tubes with groove in threading |
| 01/28/2004 | CN1136408C Threaded connection of two metal tubes with high tightening torque |
| 01/27/2004 | US6682101 Wedgethread pipe connection |
| 01/21/2004 | EP1382793A1 Tube having thread orientation marks |
| 01/21/2004 | EP1382718A1 Surface treated steel product, method for production thereof and chemical conversion treatment solution |
| 01/21/2004 | EP1381804A1 Threaded coupling with water exclusion seal system |
| 01/20/2004 | US6679526 Threaded joint for an oil well pipe |
| 01/15/2004 | WO2004005665A2 Dovetail thread coupling for expandable tubulars |
| 01/15/2004 | WO2003090841B1 Tubing connector |
| 01/15/2004 | US20040007871 Fluid connector |
| 01/15/2004 | CA2759774A1 Methods for expanding threaded tubulars |
| 01/14/2004 | EP1379804A1 Threaded connection |
| 01/14/2004 | CN2599367Y Rolling external screwed pipe joint |
| 01/14/2004 | CN1468295A Threaded component for seizure-resistant tubular threaded joint |
| 01/13/2004 | CA2189609C Threaded coupling and pig injector valve |
| 01/08/2004 | WO2004003417A1 Seal for a push-in connection for pipes |
| 01/08/2004 | WO2004003416A1 Reinforced tubular threaded joint for improved sealing after plastic expansion |
| 01/08/2004 | WO2004003327A2 Helically wound insert for expandable tubulars |
| 01/08/2004 | US20040004354 Pipe fitting having strengthened starter threads |
| 01/08/2004 | US20040003852 Adjustable manifold joining system |
| 01/07/2004 | EP1378699A1 Threaded joint for steel pipe and method for surface treatment of the threaded joint |
| 01/07/2004 | EP1378698A1 Threaded joint for steel pipe |
| 01/07/2004 | CN1133842C Oil well pipe screw joint, and threading method and appts. therefor |
| 01/02/2004 | EP1373775A1 Fatigue-resistant threaded component for a tubular threaded joint |
| 01/01/2004 | US20040000791 Helically wound expandable tubular insert |
| 12/31/2003 | WO2004001266A2 Fluid connector |
| 12/31/2003 | WO2004001181A1 Multi-point high pressure seal for expandable tubular connections |
| 12/31/2003 | CN2596156Y Quick joint type concrete injection guide pipe |
| 12/30/2003 | US6670880 Downhole data transmission system |
| 12/25/2003 | US20030234538 Multi-point high pressure seal for expandable tubular connections |
| 12/24/2003 | WO2003106807A1 Threaded connection |
| 12/23/2003 | CA2091854C Self-swaging threaded tubular connection |
| 12/18/2003 | WO2003104705A1 Method and device for surface treatment of metal tube |
| 12/18/2003 | WO2003104704A1 Connector for expandable downhole tubulars |
| 12/18/2003 | US20030230896 Pipe joint and coupling |
| 12/17/2003 | EP1371892A1 Method of manufacturing threaded joint for oil well pipe |
| 12/17/2003 | CN2593010Y Elastic loose joint |
| 12/17/2003 | CN1462349A Metal packing |
| 12/17/2003 | CN1461871A Joint for wire pipe with current loop inductive coupler |
| 12/11/2003 | WO2003102457A1 Screw joint for steel pipe |
| 12/11/2003 | WO2003102456A1 A nut and tail assembly and method for the production thereof said tail including a rigid outer sleeve |
| 12/11/2003 | US20030227170 Pre-expanded connector for expandable downhole tubulars |
| 12/10/2003 | EP0897499B1 A pipe joint and a gasket therefor |
| 12/09/2003 | US6659510 Pipe-end-connecting joint |
| 12/09/2003 | US6659509 Threaded joint for steel pipes |
| 12/04/2003 | US20030222409 Non-rotating expandable connection with collapsing type seal |
| 12/03/2003 | EP1367216A2 Wired pipe joint with current-loop inductive couplers |
| 11/27/2003 | WO2003098089A1 Threaded pipe joint |
| 11/27/2003 | WO2003098087A1 Tubular goods and liners |
| 11/26/2003 | EP1365183A1 Threaded joint for steel pipe with excellent seizure and corrosion resistances |
| 11/26/2003 | CN2588157Y Pipe joint for join with thin wall pipe |
| 11/25/2003 | US6652006 Fluid transfer device |