| Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444) |
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| 03/18/2009 | CN201209738Y Male threaded elbow |
| 03/17/2009 | CA2510435C Connector assembly useful with a downhole tool |
| 03/12/2009 | US20090065083 Continuous Communications Conduit Apparatus and Method |
| 03/12/2009 | CA2697539A1 Oilfield tubular connection with increased compression capacity |
| 03/11/2009 | EP1692424B1 Improvement of resistance to fatigue of a threaded tubular connection |
| 03/11/2009 | CN201206678Y Conical surface sealed composite stainless steel tube for fluid |
| 03/05/2009 | WO2009027309A1 Method for improving fatigue resistance of a threaded joint |
| 03/05/2009 | WO2009027308A1 Threaded joint with high radial loads and differentially treated surfaces |
| 03/05/2009 | DE202008014506U1 Behälterflansch Vessel flange |
| 03/05/2009 | DE10257224B4 Rohr mit Rohrendstück Pipe with pipe end |
| 03/05/2009 | CA2686248A1 Method for improving fatigue resistance of a threaded joint |
| 03/05/2009 | CA2686233A1 Threaded joint with high radial loads and differentially treated surfaces |
| 03/04/2009 | CN201202903Y High expansion rate allowance pipe junction seal structure |
| 02/25/2009 | EP2028403A1 Threaded joint with high radial loads and differentially treated surfaces |
| 02/25/2009 | EP2028402A1 Method for improving fatigue resistance of a threaded joint |
| 02/24/2009 | US7493959 Joining tubular members |
| 02/24/2009 | CA2637022A1 Locking connector |
| 02/23/2009 | CA2636913A1 Connection structure for connector |
| 02/19/2009 | DE20221909U1 Rohr mit Rohrendstück Pipe with pipe end |
| 02/12/2009 | WO2009018706A1 Drill pipe thread protector |
| 02/12/2009 | WO2008143848A4 Tubing connector, method of manufacture, and method of assembly |
| 02/12/2009 | US20090041533 Joint |
| 02/12/2009 | US20090038138 Protective compression and tension sleeves for threaded connections for radially expandable tubular members |
| 02/12/2009 | DE202005021649U1 Zugsicherungssystem für Rohrleitungsverbindungen mit verdrehgesicherter Klemme ATP system for pipe connections with non-rotating clamp |
| 02/11/2009 | EP2021673A1 Dope relief method for wedge thread connections |
| 02/11/2009 | EP0786616B2 Steel pipe joint having high galling resistance and surface treatment method thereof |
| 02/11/2009 | CN201193752Y Sleeve type three-way pipe joint |
| 02/10/2009 | CA2638472A1 Fitting and tube assembly for refrigeration systems |
| 02/10/2009 | CA2512128C High-pressure threaded union with metal-to-metal seal, and metal ring gasket for same |
| 02/04/2009 | CN201190849Y Joint for water pipe |
| 02/04/2009 | CN101360945A External protection for expandable tubular threaded joints |
| 02/04/2009 | CN101358673A Clamp type high-pressure pipe joint |
| 02/04/2009 | CN100458255C implement of plastic expansion of sealed tubular joint with inclined abutting surface |
| 02/04/2009 | CN100458254C Connecting module for tool rod and its tool handle |
| 01/27/2009 | US7481466 Coupling apparatus including release preventing structure |
| 01/21/2009 | EP2017515A2 Fluid connection device |
| 01/21/2009 | EP2017507A1 Threaded joint with resilient seal ring |
| 01/21/2009 | EP1554518B1 Threaded pipe with surface treatment |
| 01/21/2009 | CN201184698Y Connecting pipe fitting for water heater |
| 01/21/2009 | CN201184473Y Combined type external screw thread insert |
| 01/21/2009 | CN201184462Y High expansion rate repairing pipe joint screw thread |
| 01/21/2009 | CN201184461Y External pipe thread joint prearranging with sealing ring |
| 01/20/2009 | US7478844 Pre-expanded connector for expandable downhole tubulars |
| 01/14/2009 | CN201180873Y Thin walled pipe connector |
| 01/14/2009 | CN100451420C Threaded joint for steel pipes |
| 01/13/2009 | US7475476 Method for producing a threaded tubular connection sealed to the outside |
| 01/08/2009 | WO2008139058A3 Lubrication composition with adaptable friction coefficient for the threaded member of a component of a tubular threaded seal |
| 01/08/2009 | WO2008124855A3 Method and device for securing an externally threaded object against being unscrewed |
| 01/06/2009 | US7474221 Marking of pipe joints |
| 01/06/2009 | US7472927 Tubular member having an anti-galling coating |
| 12/31/2008 | WO2009000851A1 Threaded joint with pressurizable seal |
| 12/31/2008 | WO2009000766A1 Threaded joint with energizable seal |
| 12/31/2008 | WO2009000428A1 Threaded element of a component with opposed threading portions and corresponding tubular threaded connection |
| 12/31/2008 | WO2008039452A3 Male coupling for connecting to female threaded coupling |
| 12/31/2008 | EP2009340A1 Threaded joint with pressurizable seal |
| 12/31/2008 | CN201173348Y Connecting casing with circular tube having outside screw |
| 12/31/2008 | CN201173223Y Hydraulic control mechanism of fastening device suitable for screw-on of ordinary buckle and special buckle |
| 12/31/2008 | CA2692061A1 Threaded element of a component with opposed threading portions and corresponding tubular threaded connection |
| 12/31/2008 | CA2685398A1 Threaded joint with pressurizable seal |
| 12/31/2008 | CA2685396A1 Threaded joint with energizable seal |
| 12/30/2008 | US7470383 Submersible pump drop pipe and casing assembly connection and method of manufacture |
| 12/30/2008 | US7469938 Threaded connection especially for radically plastically expandable conduit |
| 12/30/2008 | CA2443530C Threaded joint for steel pipe and method for surface treatment of the threaded joint |
| 12/25/2008 | US20080317409 Sealed Tube Coupling for Optical Fiber Tubes |
| 12/24/2008 | EP2006589A1 Threaded joint with energizable seal |
| 12/24/2008 | EP2005052A1 Threaded connection with variable flank angles |
| 12/24/2008 | CN201170390Y Sealing nipple for pipe fitting |
| 12/24/2008 | CN201170389Y Sealing coupling for pipe fitting |
| 12/24/2008 | CN100445354C Threaded component for seizure-resistant tubular threaded joint |
| 12/23/2008 | CA2490359C Helically wound expandable tubular insert |
| 12/18/2008 | US20080309069 External Protection for Expandable Threaded Tubular Connections |
| 12/18/2008 | US20080309068 Pipe Insert |
| 12/18/2008 | DE102007023566A1 Pump connector for Presta valve, e.g., for inflating vehicle tire, has valve seal insert with front surface of head part provided with chamber for receiving valve seal insert |
| 12/17/2008 | EP2002165A1 Tubular threaded joint |
| 12/17/2008 | CN101326393A Pipe joint locking device |
| 12/16/2008 | US7464449 Method of forming a high-strength sealed connection for expandable tubulars |
| 12/11/2008 | CA2630316A1 Threaded connection |
| 12/11/2008 | CA2591888A1 Threaded connection |
| 12/10/2008 | EP2000629A1 High strength threaded joint, particularly for lined tubes |
| 12/10/2008 | EP1864047B1 Threaded joint for pipes provided with seal |
| 12/10/2008 | CN201162895Y Screw connection sealing structure and its fixture |
| 12/10/2008 | CN201162894Y Screw connection type winding glass fibre reinforced plastic composite heat-insulation directly buried pipe |
| 12/10/2008 | CN101319743A High strength threaded joint, particularly for lined tubes |
| 12/05/2008 | CA2632820A1 High strength threaded joint, particularly for lined tubes |
| 12/04/2008 | US20080296894 Oilfield threaded connections |
| 12/03/2008 | CN201159358Y Portable plastic pipe joint |
| 12/03/2008 | CN201159348Y Anti-theft instrument joint |
| 12/03/2008 | CN201159347Y Pipe body connector |
| 12/03/2008 | CN101317015A Threaded connections with high and low friction coatings |
| 12/02/2008 | US7458617 Composite drill pipe |
| 12/02/2008 | US7458616 Threads with perturbations |
| 12/02/2008 | US7458614 Thread supporting stabilizer assembly |
| 12/02/2008 | CA2402434C Coating materials having anti-seizing properties for detachable bush-bolt and/or threaded connections |
| 11/27/2008 | WO2008143848A1 Tubing connector, method of manufacture, and method of assembly |
| 11/27/2008 | WO2008142898A1 Connector for fluid pressure devices |
| 11/27/2008 | US20080290652 Mechanical Pipe Coupling Having Spacers |
| 11/27/2008 | US20080289814 Solid Expandable Tubular Members Formed From Very Low Carbon Steel and Method |
| 11/26/2008 | EP1787047A4 Fluid coupling assembly with integral retention mechanism |
| 11/26/2008 | EP1313827B1 Threaded component for seizure-resistant tubular threaded joint |
| 11/26/2008 | CN201155639Y Steel tube elongation fastener |