Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444)
12/2011
12/08/2011WO2011151028A2 Threaded end of a tubular component for drilling or working hydrocarbon wells, and resulting connection
12/08/2011CA2800840A1 Threaded end of a tubular component for drilling or working hydrocarbon wells, and resulting connection
12/07/2011CN202065581U 一种卡套式管件三通 A card-type tube fittings tee
12/07/2011CN202065566U 一种柴油机燃油金属管的密封连接装置 Sealed connection device for diesel fuel metal pipe
12/07/2011CN202065565U 一种外覆不锈钢的带丝塑料管接头 One kind covered with stainless steel wire with a plastic pipe fittings
12/07/2011CN202065564U 滚压成型内螺纹 Roll forming internal thread
12/07/2011CN102269306A 一种快速连接与螺纹连接组合的管件结构 A quick connect tube structure in combination with the threaded connection
12/07/2011CN101529145B 联接组件及其保护环 The coupling assembly and protection ring
12/06/2011US8070191 Threaded joint for steel pipes
12/05/2011DE202011102730U1 Schwenkverschraubungseinrichtung für Anwendungen in fluidtechnischen Leitungssystemen Schwenkverschraubungseinrichtung for applications in fluid power systems management
12/01/2011WO2011127155A3 Tubular connection system faciitating nonrotating signal conductor connection and method
11/2011
11/30/2011EP2390459A2 Well assembly coupling
11/30/2011CN202056447U 输油管线凝管时原油回收装置 When crude oil pipeline condensate pipe recovery
11/30/2011CN202056439U 扣压式管接头 Swaged fittings
11/30/2011CN202055773U 防粘扣螺纹接头 The release buckle nipple
11/30/2011CN202055769U 一种绳索钻杆螺纹连接结构 One kind of rope drill pipe threaded connection
11/30/2011CN1938542B 钢管用螺纹接头及其制造方法 Threaded joint for steel and its manufacturing method
11/30/2011CN102265076A 石油工业中使用的密封管连接结构 Seal pipe connection structure used in the oil industry
11/30/2011CN102261531A 燃气丝口活接头 Gas wire port union
11/30/2011CN102261530A 一种柴油机燃油金属管的密封连接装置 Sealed connection device for diesel fuel metal pipe
11/30/2011CN102261529A 一种活接管件 A living piece takeover
11/30/2011CN102261226A 井组件连接 Well connected components
11/29/2011US8066307 Thread joint for a drill string for percussive rock-drilling
11/24/2011US20110285124 Lubrication composition with an adaptable coefficient of friction, for a threaded element of a threaded tubular connection component
11/23/2011CN202048288U Heating ventilating three-way combination sleeve
11/23/2011CN202048281U Water extraction nozzle structure of water-cooling radiator
11/23/2011CN202048280U Loose joint assembly
11/23/2011CN102257306A Tubular connection with self-locking threading used in the oil industry
11/22/2011CA2502759C External refacing indicator for a tool joint
11/21/2011DE202010011576U1 Anschlussvorrichtung zum Anschließen eines Wellrohrs und entsprechende Anschlussverbindung Connection device for connecting a corrugated pipe and corresponding connection compound
11/17/2011US20110278841 Pipe joint
11/17/2011US20110278837 Lockwireless anti-rotation fitting
11/16/2011CN202040486U Multilayer single vacuum compound insulated tube
11/16/2011CN202040455U Pipe fitting with self-tap core
11/16/2011CN202039786U Connecting structure for high-pressure well completion oil pipe
11/16/2011CN202039782U Anti-bending casing pipe threaded connection structure
11/16/2011CN102245955A Sealed tubular connection used in the oil industry, and method for producing said connection
11/15/2011US8056936 Telescopic pipe structure for a marine light
11/15/2011DE202011104255U1 Schraubkupplung zum lösbaren Verbinden von Hochdruckhydraulikleitungen Screw coupling for the releasable connection of high pressure hydraulic lines,
11/15/2011CA2510448C Hybrid threaded connection for expandable tubulars
11/10/2011WO2011138926A1 Test device for oil well pipe threaded joint
11/10/2011WO2011101554A3 Expansible threaded joint and method for making same
11/10/2011WO2011060894A3 Threaded connection
11/10/2011US20110275022 Pilot Light Gas Line Connector Assembly
11/09/2011EP1755821B1 Method and apparatus for sealing radially expanded joints
11/09/2011CN202032205U Locking-type retractable exterior thread
11/09/2011CN202032204U Tap and water pipe assembling device with threads
11/09/2011CN102235562A Multi-way water pipe connector
11/09/2011CN101233357B Liquid and gas tight threaded tubular connection
11/08/2011US8052176 Connection apparatus and method
11/08/2011US8052173 Threaded connections with high and low friction coatings
11/08/2011CA2495883C Tubular threaded joint which is impervious to the external environment
11/08/2011CA2443075C Assembly of hollow torque transmitting sucker rods and sealing nipple with improved seal and fluid flow
11/03/2011WO2011048455A4 A tubular joint having wedge threads with surface coating
11/02/2011CN202024003U Connecting device for a pipe and a pipe fitting
11/01/2011US8047281 Sleeve for expandable tubular threaded connection and method of expanding tubular thereof
11/01/2011CA2621036C Threaded joint for steel pipes
10/2011
10/27/2011US20110261920 Connecting device for connecting a guide tube to a lower end nozzle in a nuclear fuel assembly
10/27/2011DE102010028262A1 Device i.e. metallic pipe joint, for detachably and sealably connecting two components, has sealing element including non-adhesive coating with thickness of specified range on one of functional and/or sealing surfaces
10/26/2011EP2379925A1 Tool and method for transfer of tubes
10/26/2011CN202017835U Locking type expansion inner screw
10/25/2011US8042842 Production by plastic expansion of a sealed tubular joint with inclined abutting surface(s)
10/20/2011WO2011128658A1 Pipe connector device
10/20/2011WO2011076349A3 Set for obtaining a threaded connection, method for making up and breaking out said connection, and use of said connection in a riser
10/19/2011EP2378177A1 Hydraulic connection assembly with pressure discharge control
10/19/2011CN202012695U 分水器 Manifold
10/19/2011CN202012683U Water pipe joint
10/19/2011CN102224368A Oilfield threaded connections
10/18/2011US8038182 Breakage resistant fitting
10/18/2011US8038179 Threaded joint for steel pipes
10/18/2011CA2473126C Drill member for rock drilling and a method for manufacturing the drill member
10/13/2011WO2011127155A2 Tubular connection system faciitating nonrotating signal conductor connection and method
10/13/2011WO2011076350A3 Galling-resistant threaded tubular component, and process for coating said component
10/12/2011CN202007945U Four-way connector for underground gas storage wells
10/12/2011CN202007937U Male ends propped-against oil sleeve connecting structure
10/12/2011CN202007936U Sampling down-lead device and sampling port connecting device
10/12/2011CN102213347A Energy-saving double-layer thermal pipeline
10/12/2011CN102213328A Improved structure of water separator of water tap
10/11/2011CA2608676C Pipe connection having an area of reduced strength
10/11/2011CA2472284C Protective sleeve for threaded connections for expandable liner hanger
10/06/2011WO2011122256A1 Pipe connection mechanism for a sealing device, and mechanical sealing device
10/06/2011US20110241339 Sealed tubular connection used in the oil industry, and method for producing said connection
10/05/2011EP2372211A1 Thin-walled pipe joint and method to couple a first pipe to a second pipe
10/05/2011EP2372208A1 Threaded joint with elastomeric seal flange
10/05/2011EP2370722A1 Sealed tubular connection used in the oil industry
10/05/2011EP2075496B1 Fluid manifold for a heating and/or cooling system
10/05/2011EP1211451B1 Threaded joint for oil well pipe
10/05/2011CN202001742U Spherical sealing ring of gas channel system of heavy-duty automobile
10/05/2011CN101103221B 钢管用螺纹接头 A threaded joint for steel pipes
10/04/2011US8029026 Threaded connections and methods for forming threaded connection
10/04/2011US8029025 Single taper wedge thread connection with mid-seal
09/2011
09/28/2011CN201992227U 温室地面管道连接结构 Greenhouse ground pipeline connecting structure
09/28/2011CN201992212U 一种快速接头 A quick connector
09/28/2011CN201991451U 高强度复合管 High-strength composite pipe
09/28/2011CN102199995A Process for producing high-precision special threaded sleeve pipe coupling
09/27/2011CA2478594C Double shoulder oilfield tubular connection
09/22/2011US20110227338 Sealed pipe joint
09/21/2011EP2366075A1 Tubular connection with self-locking threading used in the oil industry
09/21/2011EP2366074A1 Sealed tubular connection used in the oil industry, and method for producing said connection
09/21/2011CN201982830U 一种两端带密封圈丝口外丝 With seals on both ends estuary silk yarn
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