Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general › F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints
Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444)
06/2003
06/12/2003WO2003048505A1 Coring system and method
06/12/2003US20030106717 Coring system and method
06/05/2003US20030102669 Threaded joint for an oil well pipe
05/2003
05/29/2003US20030098585 Tightening method for a pipe joint
05/29/2003US20030098162 Method of inserting a tubular member into a wellbore
05/29/2003US20030098154 Apparatus for radially expanding tubular members
05/28/2003EP1313827A1 Threaded component for seizure-resistant tubular threaded joint
05/28/2003CN1420974A Fatigue-resistant threaded bevelled tubular element
05/28/2003CN1420972A Expandable joint connector
05/22/2003US20030094810 Threaded joint for steel pipes having improved galling resistance and rust-preventing properties
05/22/2003US20030094279 Method of selecting tubular members
05/22/2003US20030094278 Expansion cone for radially expanding tubular members
05/22/2003US20030094277 Expansion cone for radially expanding tubular members
05/21/2003CN1419638A Slim type oil well pipe fitting
05/20/2003US6565124 Pipe joint and a gasket therefor
05/20/2003US6564875 Protective device for threaded portion of tubular member
05/14/2003EP1310719A1 Pipe joint
05/14/2003EP1185813A4 Thread form with multifaceted flanks
05/08/2003US20030085570 Assembly of hollow torque transmitting sucker rods
05/07/2003CN1416515A Threaded tubular element for fatigue resistant threaded tubular joint and resulting threaded tubular joint
05/06/2003US6557906 Tubular members
05/06/2003US6557905 Anti-rotational submersible well pump assembly
05/06/2003US6557651 Automated lubricant dispensing system and method for a horizontal directional drilling machine
05/06/2003US6557640 Lubrication and self-cleaning system for expansion mandrel
05/02/2003EP1305547A1 Data transmission system for a string of downhole components
05/01/2003WO2003036017A1 Locking arrangement for a threaded connector
05/01/2003WO2003036012A2 Apparatus and method to expand casing
05/01/2003US20030079874 System, method and apparatus for deploying a data resource within a threaded pipe coupling
04/2003
04/29/2003US6554287 Collapsing type seal for expandable tubular connections
04/24/2003US20030075924 Connection
04/24/2003US20030075338 Apparatus and method to expand casing
04/23/2003EP1304520A1 Pipe fittings
04/23/2003CN2546713Y Wire polytetrafluoroethylene sealing belt
04/22/2003US6550822 Threaded coupling with water exclusion seal system
04/22/2003US6550821 Threaded connection
04/16/2003EP1302623A1 Wedge thread with torque shoulder
04/16/2003EP1301738A1 Pipe integral threaded joint
04/16/2003EP1301397A1 Threaded connecting assembly
04/16/2003EP1203177A4 Expandable joint connector
04/10/2003US20030067169 Thread form with multifacited flanks
04/10/2003US20030067168 Tubular threaded joint with reinforced stop
04/10/2003US20030066641 Threaded joint for an oil well pipe
04/09/2003CN1105072C Material for sealing threaded pipe joints, and dispenser therefor
04/08/2003US6543816 Threaded tubular joint proof to external pressure
04/02/2003CN1408046A Thread joint and rock drill element
03/2003
03/26/2003EP1296088A1 Taper threaded joint
03/26/2003EP1295060A1 Tubular threaded joint capable of being subjected to diametral expansion
03/26/2003EP1295007A1 Tubular threaded joint with reinforced stop
03/26/2003EP1101056A4 Threaded and coupled connection for improved fatigue resistance
03/26/2003CN1406189A Telescopic connector for vehicle brake conduit
03/19/2003EP1292791A1 Tubular connection floating shoulder ring
03/11/2003US6530607 Two-step threaded connector having differential thread width
03/06/2003US20030042738 Telescopic connector for vehicle brake conduit
02/2003
02/27/2003US20030038476 Production riser connector
02/26/2003CN2537879Y Equal diameter, external screw joint pipe connector
02/20/2003WO2003014612A1 Method and structure for connecting difficult-to-join pipes to be used at high temperature
02/19/2003CN2536866Y Special valve body with elastic connecting device for IC card water meter
02/19/2003CN2536865Y Structural improvement of pneumatic conditioning component
02/18/2003US6520547 Quick locking pipe joint for plain or profiled pipe
02/13/2003US20030029987 Bell mouth and method for manufacturing box to be buried under ground
02/12/2003EP1282546A1 Telescopic connector for vehicle brake conduit
02/11/2003US6516880 System, method and apparatus for deploying a data resource within a threaded pipe coupling
02/06/2003WO2003010460A1 Threaded joint for steel tube
02/06/2003US20030025328 Threaded pipe connection having a retainer gasket with pressure relief vents
02/06/2003US20030025327 Threaded pipe connection with improved seal
02/06/2003US20030024708 Structral support
02/05/2003EP1281905A1 Method of tightening pipe joint
02/05/2003CN1100957C Fast pipe joint for pipeline connection
02/04/2003US6513840 Drill rod coupling
01/2003
01/29/2003CN1393651A 管接头 Fittings
01/28/2003US6511102 Pipe connector
01/28/2003US6511098 Seal mechanism for bayonet-type connector
01/23/2003WO2003006867A1 Pipe thread joint
01/23/2003US20030015678 Valve assembly
01/22/2003CN1392935A Apparatus and methods for determining natural frequencies of brush seals
01/02/2003US20030001388 Screw-threaded pipe joint
01/02/2003EP1271037A1 Slim type oil well pipe fitting
01/02/2003EP1269060A1 Threaded tubular element for fatigue resistant threaded tubular joint and resulting threaded tubular joint
01/02/2003EP1269059A1 Fatigue-resistant threaded bevelled tubular element
12/2002
12/19/2002WO2002101266A1 Metal packing
12/19/2002US20020193004 Wired pipe joint with current-loop inductive couplers
12/19/2002US20020190481 Material for sealing threaded pipe joints, and dispenser therefor
12/18/2002EP0815377B1 Threaded pipe connection
12/17/2002US6494499 Threaded connector for pipe
12/17/2002US6494495 Locked connection
12/12/2002WO2002099327A1 Joint for high pressure fluid
12/11/2002EP1264068A1 Threaded spacer
12/05/2002WO2001094832A1 Pipe joint
12/05/2002WO2001094831A1 Taper threaded joint
12/05/2002US20020182331 Adhering an anti-seize metallic film onto the surface of threads and coating the anti-seize protected threads with an environmentally friendly lubricating composition
12/05/2002CA2411851A1 Taper threaded joint
12/04/2002EP1261448A1 Method of assembling pipe joints
11/2002
11/28/2002WO2002095216A1 High pressure connection device
11/28/2002US20020175519 Anti-rotational submersible well pump assembly
11/28/2002DE10125439A1 High pressure connecting device comprises two breech block threads having thread flanks formed perpendicular to the longitudinal axis of the internal thread and lying against each other in a force-locking manner
11/27/2002EP1260749A1 Multi-layer pipe
11/27/2002EP1259703A1 Thread joint and rock drill element
11/27/2002CN1095022C Threaded connection structure of metal tubes
11/26/2002US6485063 Connection
11/26/2002US6485061 Threaded tool joint for connecting large diameter tubulars
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