| Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444) |
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| 11/20/2002 | EP1257757A1 Method of assembling two carcass ends |
| 11/20/2002 | CN2521468Y Adjustable loose joint of water pipes |
| 11/20/2002 | CN1380151A Straight tube connector, its production method and application |
| 11/19/2002 | US6481760 Threaded connection of two metal tubes with groove in the threading |
| 11/14/2002 | WO2002090810A2 Coupling system |
| 11/14/2002 | WO2002090809A2 Remotely pretensioned threaded tubular connections |
| 11/14/2002 | US20020167173 Coupling system |
| 11/13/2002 | CN1379851A Threaded tubular joint proof to external pressure |
| 11/12/2002 | US6478344 Threaded connector |
| 11/08/2002 | WO2001086185A1 Method of tightening pipe joint |
| 11/08/2002 | CA2408799A1 Method of tightening pipe joint |
| 11/07/2002 | US20020163192 Tubular threaded joint capable of being subjected to diametral expansion |
| 11/07/2002 | US20020163181 Remotely pretensioned threaded tubular connections |
| 10/31/2002 | WO2002086369A1 Threaded coupling with water exclusion seal system |
| 10/31/2002 | US20020158469 Threaded coupling with water exclusion seal system |
| 10/31/2002 | CA2445040A1 Threaded coupling with water exclusion seal system |
| 10/30/2002 | EP1252462A1 Screw-threaded pipe joint |
| 10/24/2002 | WO2002084163A1 Threaded joint for steel pipe and method for surface treatment of the threaded joint |
| 10/24/2002 | WO2002084162A1 Threaded joint for steel pipe |
| 10/24/2002 | WO2002084158A2 Hose coupling device |
| 10/24/2002 | DE10130964A1 Pipe connector has prefabricated, pre-attached mounting |
| 10/23/2002 | CN2517938Y Valve |
| 10/22/2002 | US6467818 Drill collar box |
| 10/16/2002 | EP1249657A1 Tubular element for the construction of gas pipelines |
| 10/16/2002 | EP1248926A1 Socket and coupling piece |
| 10/16/2002 | EP0991846B1 Stress reduction groove for tubular connection |
| 10/16/2002 | CN1375034A Threaded pipe connection |
| 10/15/2002 | US6464265 Modular shower arm mounting system |
| 10/15/2002 | US6464261 Pipe coupling |
| 10/03/2002 | US20020140229 Replaceable corrosion seal for threaded connections |
| 09/26/2002 | WO2002075197A1 Threaded connection |
| 09/26/2002 | WO2002075195A1 Method of manufacturing threaded joint for oil well pipe |
| 09/26/2002 | US20020135179 Low-loss inductive couplers for use in wired pipe strings |
| 09/26/2002 | CA2441816A1 Method of manufacturing threaded joint for oil well pipe |
| 09/25/2002 | WO2001075347A1 Slim type oil well pipe fitting |
| 09/25/2002 | EP1243829A1 Screw joint for oil well pipe |
| 09/25/2002 | CN2512968Y 伸缩闸阀 Retractable gate |
| 09/24/2002 | US6454315 Oil well pipe screw joint, and threading method and apparatus therefor |
| 09/19/2002 | WO2002073076A1 Fatigue-resistant threaded component for a tubular threaded joint |
| 09/19/2002 | US20020130517 Threaded connection |
| 09/18/2002 | EP1240406A1 A thread joint and a male portion |
| 09/12/2002 | WO2002036923A3 Casing drilling connector with low stress flex groove |
| 09/10/2002 | US6447025 Oilfield tubular connection |
| 09/06/2002 | WO2002068853A1 Improved tubing coupling |
| 09/06/2002 | CA2438211A1 Improved tubing coupling |
| 09/04/2002 | CN2509417Y Joint |
| 09/03/2002 | US6442826 Method for manufacturing a flush/semi-flush threaded connection |
| 08/29/2002 | US20020117856 Wedgethread pipe connection |
| 08/28/2002 | EP1235019A1 Assembly of two elements to be connected, element and connecting piece comprising two or more elements connected to each other |
| 08/28/2002 | CN2508085Y Leak-proof valve for small refrigerating and air conditioning equipment |
| 08/22/2002 | WO2002065012A1 Tubular threaded joint with trapezoid threads having convex bulged thread surface |
| 08/22/2002 | US20020113436 Threaded tubular element for fatigue resistant threaded tubular joint and resulting threaded tubular joint |
| 08/22/2002 | DE10108863C1 Verfahren und Einrichtung zur Abdichtung von Gewindeverbindungen Method and apparatus for sealing threaded joints |
| 08/21/2002 | EP1232359A1 Transition element |
| 08/21/2002 | EP1232322A1 Tube connection |
| 08/21/2002 | CN2506837Y Outer screw caisng joint with seal ring |
| 08/21/2002 | CN1365437A Assembly comprising a tube and a sleeve |
| 08/21/2002 | CN1089398C Threaded joint for tubes |
| 08/20/2002 | US6435569 Pipe connection |
| 08/15/2002 | WO2002027228A3 Data resource mounted within a threaded pipe coupling |
| 08/14/2002 | EP1230504A1 Pipe joint |
| 08/13/2002 | CA2163282C Threaded joint for oil well pipes |
| 08/08/2002 | WO2002061316A2 Quick locking pipe joint for plain or profiled pipe |
| 08/08/2002 | US20020105187 Riser connector |
| 08/08/2002 | CA2416604A1 Quick locking pipe joint for plain or profiled pipe |
| 08/01/2002 | WO2002059519A1 Threaded joint for steel pipe with excellent seizure and corrosion resistances |
| 08/01/2002 | US20020101078 Quick locking pipe joint for plain or profiled pipe |
| 07/31/2002 | EP0786616B1 Steel pipe joint having high galling resistance and surface treatment method thereof |
| 07/30/2002 | US6425607 Connector for pipe sections |
| 07/25/2002 | WO2002035128A3 Threaded pipe joint |
| 07/24/2002 | CN2502101Y Metal connecting pipe fitting |
| 07/18/2002 | US20020093144 Sealing mechanism for fluid and pipe connector using sealing mechanism |
| 07/17/2002 | EP1222417A1 Threaded tubular joint proof to external pressure |
| 07/16/2002 | US6419147 Method and apparatus for a combined mechanical and metallurgical connection |
| 07/11/2002 | WO2001094832A8 Pipe joint |
| 07/03/2002 | CN1357087A Threaded connection with high compressive rating |
| 07/03/2002 | CN1087062C Pipe adaptor |
| 07/02/2002 | US6412831 Threaded connection of two metal tubes with high tightening torque |
| 06/27/2002 | WO2002050466A1 Pipe connecting device |
| 06/27/2002 | WO2001011181A9 Automated lubricant dispensing system and method for a horizontal directional drilling machine |
| 06/26/2002 | EP1216009A1 Elements to be linked by means of a screw connection, especially elements of a medical instrument |
| 06/26/2002 | CN2497131Y Inner-coated stainless steel water-purifying pipe |
| 06/26/2002 | CN1355876A Thread form with multifaceted flanks |
| 06/25/2002 | US6409175 Expandable joint connector |
| 06/20/2002 | WO2002029290A3 Corrosion seal for threaded connections |
| 06/20/2002 | WO2002023076A3 Plastic pipe adhesive joint |
| 06/20/2002 | US20020075114 Data transmission system for a string of downhole components |
| 06/20/2002 | US20020074799 Open type wedgethread connection |
| 06/19/2002 | CN1086454C Quickly jointed tubular workpiece |
| 06/18/2002 | US6406070 Casing drilling connector with low stress flex groove |
| 06/13/2002 | WO2002046655A1 Pipe joint |
| 06/13/2002 | WO2002046338A1 Composition for lubricating-film formation suitable for lubrication of screw joint |
| 06/13/2002 | US20020070547 Plumbing connection and disconnection system and method |
| 06/13/2002 | US20020070544 Universal interlocking fitting |
| 06/12/2002 | CN2494909Y Loose joinint valve |
| 06/05/2002 | EP1211451A1 Threaded joint for oil well pipe |
| 06/05/2002 | EP1129313B1 Installation conduit for constructing an underwater transport system for fluid, energy or signals |
| 05/30/2002 | WO2002029292A3 Apparatus and methods for determining natural frequencies of brush seals |
| 05/28/2002 | CA2217269C Swaged pin end of pipe connection |
| 05/23/2002 | US20020060069 Forming a wellbore casing while simultaneously drilling a wellbore |