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)
06/2010
06/30/2010CN101761714A Heating pipe connector
06/29/2010CA2418920C Screw threaded joint for continuous-profile tubes
06/29/2010CA2377697C Expandable joint connector
06/24/2010WO2010069491A1 Tubular connection with self-locking threading used in the oil industry
06/24/2010CA2749549A1 Tubular connection with self-locking threading used in the oil industry
06/23/2010CN201513641U Bending resistant anti-compression low contact stress oil sleeve threading connector
06/23/2010CN101086306B Composite pipe and its producing method
06/22/2010US7740285 A pin having a contact surface of a threaded and unthreaded metal portion with a plating layer of a tin/copper/bismuth alloy surface and underneath an electroplating layer of a tin, copper or nickel coating; improved galling (friction) resistance; no leakage; nongreasy; oil country tubular goods
06/22/2010US7740227 Joint
06/22/2010US7740077 Downhole oilfield tubulars
06/22/2010CA2500740C Apparatus for connecting sucker rods
06/17/2010WO2010066365A1 Sealed tubular connection used in the oil industry, and method for producing said connection
06/17/2010WO2010025437A3 Portable pipe bridge
06/17/2010CA2746027A1 Sealed tubular connection used in the oil industry, and method for producing said connection
06/16/2010EP2196714A1 Screw-threaded joint for steel pipe
06/16/2010CN201507735U Pipe adapter
06/16/2010CN201507734U Fixed connector for working medium connecting pipe of water pipe
06/16/2010CN201507731U Oil casing threaded connection joint
06/16/2010CN1975095B Wired pipe joint with current circuit inductive coupler
06/16/2010CN101180490B Threaded joint for pipes provided with seal
06/09/2010CN201502819U Pipe fitting fast assembling structure
06/09/2010CN201502808U Pipeline connecting part
06/09/2010CN201502751U Duplicate hydrant
06/09/2010CN101730810A Threaded joint with pressurizable seal
06/09/2010CN101725779A Tube fitting
06/09/2010CN101260956B Non-corrodible steel conical pipe joint production process
06/02/2010CN201496686U Sealing structure applied to gas-liquid pipeline connection
05/2010
05/27/2010WO2010059145A1 Oilfield threaded connections
05/27/2010WO2010028809A3 Threaded connection
05/27/2010CA2744396A1 Oilfield threaded connections
05/26/2010CN201488292U Combined threaded hole of inlet and outlet pipes of water heater
05/26/2010CN201487436U Novel rotary joint
05/26/2010CN201487423U Lengthening device of tap water inlet pipe
05/26/2010CN201487422U Non-metal slip-type pipe joint for composite pipe
05/26/2010CN201487421U Union joint for non-metallic compound pipe
05/26/2010CN201487348U Valve and water faucet installed therewith
05/26/2010CN201487347U Valve and water faucet using same
05/26/2010CN101715525A Threaded joint with energizable seal
05/26/2010CN101715524A Tubular threaded member with dry protection coating
05/26/2010CN101715479A Lubrication composition with adaptable friction coefficient for the threaded member of a component of a tubular threaded seal
05/26/2010CN101713478A Disassembly prevention joint for pipe connection
05/20/2010US20100123312 Retrofit arrangement for pulse jet dust collectors
05/20/2010US20100122734 Medical gas line apparatus and related methods
05/20/2010CA2743512A1 Cylindrical tapered thread form for tubular connections
05/19/2010CN201475559U Rapid assembling structure for faucet pipe fittings
05/19/2010CN201475541U Steel pipe joint
05/19/2010CN201475540U Elongated device of tap switch water inlet pipe
05/19/2010CN201475539U Hydraulic joint device
05/19/2010CN201475529U Compound bellows
05/19/2010CN201475436U Double-slipknot type check valve
05/19/2010CN201469012U Water faucet for water fountain
05/19/2010CN101711321A Method for improving fatigue resistance of a threaded joint
05/19/2010CN101326393B Pipe joint locking device
05/19/2010CN101166944B Drill rod
05/12/2010CN201463431U Liquid-adding connector for air conditioner
05/12/2010CN201462328U Antiseptic reducing-free interface mandrel
05/12/2010CN201462263U Rapid hot-water heating connecting structure
05/12/2010CN201462256U Pipeline sealing device
05/12/2010CN201462252U Clamping and sealing device
05/12/2010CN201462244U Quick-connecting device for valve of brake line of automobile
05/12/2010CN201462243U Transition joint for tube bodies
05/12/2010CN201462242U Conveniently mountable and detachable and internally threaded pipe
05/12/2010CN201462241U Pipeline connecting piece
05/12/2010CN201462240U Insert for pipeline connector
05/12/2010CN201462239U Novel pipe joint
05/12/2010CN201462214U PE pumping pipe
05/12/2010CN201462174U Gage valve with pressure gage
05/12/2010CN201461161U Structure for preventing breakaway of breather pipe joint of gasoline-engine air intake system
05/12/2010CN1914449B Screw joint for oil well pipe, and method of producing the same
05/12/2010CN1884893B Threaded coupling for receptacles, such as expansion vessels, tanks and the like
05/12/2010CN101194126B Floating wedge thread for tubular connection member and method for forming tubular connection member
05/12/2010CN101166928B Pseudo two-step connection member
05/06/2010US20100108174 Screw thread safeguard of drill stems
05/05/2010CN201448538U Rotatable hose with convenient and quick assembly and disassembly
05/05/2010CN201448531U Thread connecting piece of variable-cone metallic seal, and petroleum casing pipe and collar employ same
04/2010
04/29/2010WO2010047406A1 Threaded joint for steel pipes
04/29/2010US20100102553 Threaded tubular connection which is leak-proof under internal and external successive pressure loads
04/29/2010CA2739711A1 Threaded joint for steel pipes with specific sealing surface
04/28/2010EP2180199A1 Thread, fastening system, pipe fitting and method for manufacturing thread
04/28/2010CN201443658U Threaded connector of hermetic seal oil pipe
04/28/2010CN201443657U In-phase double connecting screw
04/27/2010CA2470449C Method for making a sealed tubular joint with plastic expansion
04/22/2010WO2010043509A1 Component for the drilling and for the exploitation of hydrocarbon wells
04/22/2010CA2738094A1 Component for the drilling and for the exploitation of hydrocarbon wells
04/21/2010EP1351792B1 Method for a combined mechanical and metallurgical connection
04/21/2010CN101696551A Method for making high-intensity thread seal thread
04/20/2010US7699361 Sealed tubular joint with plastic expansion and at least one inclined surface
04/14/2010CN201437881U Double-linkage bend
04/14/2010CN201437871U Connecting piece of water feed pipe
04/08/2010DE112008001364T5 Verbinder für Fluiddruckvorrichtungen Connector for fluid pressure devices
04/06/2010US7690696 Wedge thread with torque shoulder
04/01/2010US20100078936 Threaded joint for steel pipes
03/2010
03/31/2010EP2167783A1 Threaded element of a component with opposed threading portions and corresponding tubular threaded connection
03/31/2010CN201434170Y Pneumatically hydraulic dual-purpose adapter
03/31/2010CN201434167Y High pressure falling-off preventing fast soft pipe joint
03/31/2010CN201434004Y Anti-disassembly connecting structure
03/30/2010CA2415924C Pipe integral threaded joint
03/24/2010CN201428877Y Abrasion-resistant hose for pneumatic conveying
03/24/2010CN101680580A Connector for fluid pressure devices
03/24/2010CN101680579A Screw coupling for steel pipe
1 ... 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ... 55