Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444)
05/2002
05/23/2002US20020060068 Forming a wellbore casing while simultaneously drilling a wellbore
05/15/2002EP1121553B1 Integral threaded assembly of two metal tubes
05/15/2002EP1066450B1 Threaded assembly of metal tubes designed to contain a corrosive fluid
05/15/2002EP0746666B1 Fluid-tight connecting apparatus
05/15/2002CN2491677Y Union joint of solar water heater
05/10/2002WO2002036923A2 Casing drilling connector with low stress flex groove
05/10/2002CA2361791A1 Pre-cut fibrous insulation for custom fitting wall cavities of different widths
05/08/2002EP1203909A2 Two-step threaded connector with differential flank clearance
05/08/2002EP1203177A1 Expandable joint connector
05/02/2002WO2002035128A2 Threaded pipe joint
05/02/2002US20020050360 Forming a wellbore casing while simultaneously drilling a wellbore
05/02/2002EP1200765A1 Assembly comprising a tube and a sleeve
05/02/2002EP1200704A1 Threaded pipe connection
04/2002
04/30/2002US6378371 Apparatus and methods for determining natural frequencies of brush seals
04/23/2002US6375232 Bi-metallic union fitting for use in threaded ports
04/17/2002EP1110020B1 Threaded connection of two metal tubes with groove in the threading
04/17/2002EP0865562B1 Tubing connector
04/16/2002US6371528 Fluid pressure device pipe joint
04/16/2002US6371224 Threaded spacer
04/16/2002US6371173 Threaded connecting assembly
04/11/2002WO2002029292A2 Apparatus and methods for determining natural frequencies of brush seals
04/11/2002WO2002029290A2 Corrosion seal for threaded connections
04/11/2002US20020040787 Forming a wellbore casing while simultaneously drilling a wellbore
04/10/2002CN1343851A Connection method for thin-wall stainless steel pipes, its special tubular joint and its production method
04/09/2002US6367845 Control line coupling and tubular string-control line assembly employing same
04/04/2002WO2002027228A2 Data resource mounted within a threaded pipe coupling
04/02/2002US6364368 Internal flush coupling for composite coiled tubing
04/02/2002US6363598 Method of assembling pipe joints
03/2002
03/26/2002US6361083 Screw joint for pipes
03/21/2002WO2002023076A2 Plastic pipe adhesive joint
03/21/2002US20020033603 Threaded connector
03/14/2002WO2000066928A9 Threaded connection with high compressive rating
03/13/2002EP1185813A1 Thread form with multifaceted flanks
03/13/2002EP1009946B1 Pipe connector
03/07/2002WO2002018522A1 Threaded component for seizure-resistant tubular threaded joint
03/07/2002WO2001035010A3 Control line coupling and tubular string-control line assembly employing same
03/07/2002US20020027363 Wedge thread with torque shoulder
02/2002
02/28/2002WO2002016069A1 Method and apparatus for a combined mechanical and metallurgical connection
02/27/2002CN1079882C Fluid-tight connecting apparatus
02/26/2002US6349980 Joining/connector piece for corrugated pipes
02/26/2002US6349979 Integral threaded assembly of two metal tubes
02/26/2002US6349739 Multi-component metallic housing for a fluid
02/21/2002US20020021006 Double flex seal for tubular connection
02/19/2002US6347814 Integral joint for the connection of two pipes
02/14/2002WO2002012769A1 Screw threaded joint for continuous-profile tubes
02/14/2002US20020017788 Pipe connector
02/13/2002EP1179700A2 Double flex seal for tubular connection
02/07/2002WO2002010630A1 Wear-resistant tool joint and drill pipe made therefrom
02/06/2002EP1178256A2 Universal Interlocking Fitting
01/2002
01/31/2002WO2002008566A1 Couplings for rotary drill strings
01/30/2002EP1175577A1 Threaded connection with high compressive rating
01/24/2002WO2002006716A1 Data transmission system for a string of downhole components
01/24/2002WO2002006715A1 Pipe integral threaded joint
01/23/2002EP0792429B1 High-pressure fiber reinforced composite pipe joint
01/23/2002CN2473432Y Household water purifier connector
01/17/2002WO2001053424A3 Pipe thread sealing agent
01/16/2002CN1077970C Threaded joint for metal tubes with internal coating
01/10/2002US20020003348 Pipe joint and a gasket therefor
01/03/2002WO2002001102A1 Tubular threaded joint capable of being subjected to diametral expansion
01/01/2002US6334493 Corrosion-resistant thread joint for percussion drill element and method of achieving such resistance
12/2001
12/27/2001WO2001098620A1 Tubular threaded joint with reinforced stop
12/27/2001WO2001098144A1 Threaded connecting assembly
12/27/2001CA2413289A1 Threaded connecting assembly
12/25/2001US6332633 Luer-type connector
12/13/2001WO2001094830A1 Tubular connection floating shoulder ring
12/12/2001EP0975545B1 Material for sealing threaded pipe joints, and dispenser therefor
12/05/2001CN2463648Y Sealing connecting piece for plastic pipeline
11/2001
11/27/2001US6322110 Tubular connection
11/27/2001US6322109 Expandable tubing connector for expandable tubing
11/27/2001US6322108 Pipe fitting
11/21/2001EP1156260A2 Seal mechanism for bayonet-type connector
11/21/2001CN2460830Y Improved copper pipe joint device for gasometer
11/15/2001US20010040374 Drill pipe assembly
11/14/2001CN2459513Y Pipe joint
11/08/2001WO2000066929A9 Rotationally locked tool joint for connecting drill pipe sections together
11/07/2001CN1074517C Threaded joint for tubes
11/06/2001US6312024 Threaded assembly of metal tubes designed to contain a corrosive fluid
10/2001
10/31/2001EP1034380B1 Sealing threaded pairing
10/31/2001DE10020388A1 Drill string with threaded coupling, has external and internal threading with sawtooth geometry
10/31/2001CN2457424Y Irregular pipe integrated joint
10/31/2001CN1074106C Pipe screw joint
10/23/2001US6305723 Tool joint and drill pipe made therefrom
10/11/2001WO2001075346A1 Threaded tubular element for fatigue resistant threaded tubular joint and resulting threaded tubular joint
10/11/2001WO2001075345A1 Fatigue-resistant threaded bevelled tubular element
10/10/2001CN2453206Y Automatic closure valve for hose or hose connection
10/10/2001CN1317078A Threaded connection of two metal tubes with groove in threading
10/04/2001US20010026069 Corrosion-resistant thread joint for percussion drill element and method of achieving such resistance
10/03/2001CN1316043A Threaded connection of two metal tubes with high tightening torque
09/2001
09/13/2001WO2001066903A1 Threaded spacer
09/13/2001WO2001066288A1 Method of assembling pipe joints
09/12/2001CN2447590Y Luminium-plastic tube ball valve
09/12/2001CN1071015C Screw-threat joint for radiator
09/07/2001WO2001065058A1 Thread joint and rock drill element
09/07/2001WO2001064492A1 Telescopic connector for vehicle brake conduit
09/05/2001EP1129313A1 Installation conduit for constructing an underwater transport system for fluid, energy or signals
09/05/2001EP0771400B1 Drill pipe with improved connectors
08/2001
08/29/2001EP1127209A1 Thread coupling for a drill string for percussive rock drilling
08/29/2001CN2445168Y Quick-joint pipe fitting and valve
08/29/2001CN2445167Y Quick-joint straight pipe fitting and valve
08/23/2001US20010015555 Tubular joint wear indicator
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