Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444)
03/2006
03/01/2006CN2761943Y Water pipe joint
03/01/2006CN1740621A Pressure locked joint for one-time thread connection
02/2006
02/16/2006WO2006015708A1 Method for producing a press connection arrangement, tool for deforming mating threads of a press connection arrangement and press connection arrangement
02/16/2006WO2005080644A3 Method of using intrinsically conductive polymers with inherent lubricating properties, and a composition having an intrinsically conductive polymer, for protecting metal surfaces from galling and corrosion
02/16/2006US20060033334 Luer-lock connector for medical devices
02/15/2006EP1626217A1 Method for producing a press connection arrangement, tool for deforming mating threads of a press connection arrangement and press connection arrangement
02/14/2006CA2360157C Fastening element for fitting parts
02/08/2006CN1240957C Threaded joint for steel tube
02/07/2006US6994382 Retaining feature for corrugated acoustic duct
02/07/2006CA2404885C Slim type oil well pipe fitting
01/2006
01/31/2006US6992554 Data transmission element for downhole drilling components
01/31/2006US6991269 Means for connecting two pipe elements end-to-end
01/31/2006US6991268 Pipe fitting having over-sized strengthened starter threads
01/31/2006US6991267 Assembly of hollow torque transmitting sucker rods and sealing nipple with improved seal and fluid flow
01/31/2006US6990719 Connection
01/31/2006CA2411447C Pipe joint
01/25/2006CN2753940Y Threaded pipeline connecting piece with embedded seal ring inner-wall enamel
01/24/2006CA2383894C Threaded joint for oil well pipe
01/18/2006CN1723357A Method for producing a threaded tubular connection sealed to the outside
01/12/2006US20060006647 Hybrid threaded connection for expandable tubulars
01/12/2006US20060006600 Tubular threaded joint which is impervious to the external environment
01/11/2006EP1614950A1 Pipe coupling
01/10/2006CA2361365C Fitting with fastening device
01/10/2006CA2361217C Two-step threaded connector having differential thread width
01/04/2006CN1715723A Large profile angle screw thread joint pipeline and its producing method
01/03/2006US6981723 Threaded attachment
01/03/2006US6981721 Joint for high pressure fluid
01/03/2006CA2126920C Anti-seizure protection for joints, particularly suitable for the petroleum sector
12/2005
12/29/2005US20050287854 Connection apparatus and method
12/29/2005US20050285398 Threaded connection especially for radially plastically expandable conduit
12/28/2005EP1610047A2 Connection system for tubular members
12/28/2005CN1712763A Screw connected double wall pipes
12/28/2005CN1712212A Apparatus for shaping double wall pipes with screw connections
12/28/2005CN1233486C Straight tube connector and its production method
12/23/2005CA2510632A1 Connection apparatus and method
12/22/2005WO2005121622A1 Screw coupling for oil well pipe
12/22/2005WO2005120196A2 Disassembleable washer device for down-hole drills
12/22/2005US20050279513 Connector assembly useful with a downhole tool
12/22/2005CA2569115A1 Disassembleable washer device for down-hole drills
12/21/2005CN2747435Y Screw joint mechanism for replacing thickened oil pipe
12/20/2005US6976711 Threaded connection especially for radially plastically expandable conduit
12/08/2005WO2005116511A1 A threaded pipe joint coupling with wire lock system
12/07/2005EP1601904A1 Method for producing a threaded tubular connection sealed by radial expansion
12/07/2005CN2744914Y Screwed joint structure with wedge shape sealing ring
12/06/2005US6971685 Multi-point high pressure seal for expandable tubular connections
12/06/2005US6971681 Threaded pipe with surface treatment
12/01/2005WO2005114029A1 Metal sleeve seal for threaded connections
12/01/2005WO2005113190A1 Method and apparatus for sealing radially expanded joints
12/01/2005CA2565021A1 Metal sleeve seal for threaded connections
11/2005
11/30/2005EP1599689A1 A threaded joint for tubes
11/30/2005EP1346174B1 Pipe connecting device
11/30/2005CN2743656Y Oil pipe casing joining thread
11/30/2005CN2743655Y Connecting structure of full even diameter straight joining type casing thread
11/30/2005CN1703598A Threaded pipe with surface treatment
11/30/2005CN1702398A Pipe sleeve connection in a water heater steel storage tank
11/29/2005US6968757 Installation tool for plastic coated pipe
11/24/2005WO2005111367A1 Highly sealing screw joint for oilfield tubes (variants) and method for producing a screw joint therefor (variants)
11/24/2005US20050258650 Threaded pressure fitting with recessed thread roots
11/24/2005US20050258649 Pipe sleeve connection in a water heater steel storage tank
11/24/2005US20050258640 Anti-Rotation Device for Mating Connectors and Methods of Using the Same
11/24/2005DE202004010711U1 Verbindungselement für Leitungen Joint for pipes
11/23/2005EP1598583A1 Anti-rotation device for mating connectors and method of using same
11/23/2005CN1228561C Air-feeding hose connecting member
11/20/2005CA2507909A1 Anti-rotation device for mating connectors and methods of using same
11/17/2005WO2005108848A2 Improved coupling for drilling-with-casing operations
11/17/2005WO2005108844A2 Threaded connection for oil field applications
11/17/2005WO2004070097A3 Fast make-up fatigue resistant rotary shouldered connection
11/16/2005EP1525420B1 Coupling for anchor bolts
11/16/2005CN1227469C Screw threaded joint for continuous-profile tubes
11/15/2005CA2354975C Double flex seal for tubular connection
11/10/2005WO2005106309A1 Expandable tubular connection
11/10/2005WO2005106184A1 Composite marine riser
11/10/2005WO2005105777A1 Substituted thiophene amide compounds for the treatment of inflammation
11/10/2005US20050249558 Composite marine riser
11/10/2005US20050248154 Threaded connection for oil field applications
11/10/2005US20050248153 Threaded joint for steel pipes
11/10/2005US20050247453 Magnetic impulse applied sleeve method of forming a wellbore casing
11/10/2005CA2819998A1 Expandable tubular connection
11/10/2005CA2752209A1 Expandable tubular connection
11/09/2005EP1593917A1 Pipe sleeve connection in a water heater steel storage tank
11/09/2005EP1592910A2 Pressure relieved thread connection
11/09/2005EP1516103B1 Multi-point high pressure seal for expandable tubular connections
11/09/2005EP1490579A4 Apparatus and method to expand casing
11/09/2005CN1693179A Drop tube segments adapted for use with a liquid reservoir
11/03/2005US20050242583 Coupling for drilling-with-casing operations
11/03/2005US20050241722 Drop tube segments adapted for use with a liquid reservoir
11/02/2005EP1591380A1 Drop tube segments adapted for use with a liquid reservoir
11/02/2005EP1590515A2 Fast make-up fatigue resistant rotary shouldered connection
11/02/2005CN1225615C Connecting pieces for valves and valve arrangement
11/01/2005CA2293795C Screw joint for oil well piping
10/2005
10/30/2005CA2503667A1 Drop tube segments adapted for use with a liquid reservoir
10/27/2005WO2005100838A1 Joint
10/27/2005US20050236834 Expandable tubular connection
10/27/2005US20050236159 Threaded connection for expandable tubulars
10/26/2005EP1588018A1 Data transmission system for a downhole component
10/26/2005EP1200704B1 Threaded pipe connection
10/25/2005US6957834 Threaded joint for pipes
10/20/2005WO2005098300A1 Threaded joint for steel pipe and process for producing the same
10/19/2005EP1585611A2 Hang-free thread design
10/19/2005CN1683747A Screw joint for steel pipe
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