| Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444) |
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| 10/12/1995 | DE19507853A1 Sealing device for joining ends of tubes under pressure |
| 10/03/1995 | US5454605 Tool joint connection with interlocking wedge threads |
| 09/28/1995 | WO1995023908A3 Fluid-tight connecting apparatus |
| 09/27/1995 | EP0673484A1 Corrosion resistant connection for use with tubular members |
| 09/26/1995 | US5452748 Synchronized dual thread connector |
| 09/20/1995 | EP0672817A1 Gas impermeable static seal |
| 09/13/1995 | CN2207502Y Return elbow compensator for radiator |
| 09/13/1995 | CN2207500Y Water feed pipe union of full automatic washer |
| 09/08/1995 | WO1995023908A2 Fluid-tight connecting apparatus |
| 09/06/1995 | EP0670021A1 Pipe connecting assembly and method for joining two lengths of steel pipe by a press-fit connection |
| 08/15/1995 | US5441487 Plastic needleless valve housing for standard male luer locks |
| 08/09/1995 | EP0494249B1 Pipe connector |
| 07/18/1995 | US5433489 Pipe fitting |
| 07/13/1995 | WO1995018934A1 Synchronized dual thread connector |
| 07/13/1995 | CA2191443A1 Synchronized dual thread connector |
| 07/12/1995 | CN1105111A Improved integral joint for connecting two pipes |
| 07/11/1995 | US5431831 Compressible lubricant with memory combined with anaerobic pipe sealant |
| 07/06/1995 | WO1995018329A1 Pipe fitting |
| 06/27/1995 | US5427418 High strength, low torque threaded tubular connection |
| 06/22/1995 | WO1995016873A1 Pipe-joining device |
| 06/21/1995 | CN2201555Y Template outer thread pipe joint |
| 06/21/1995 | CN2201483Y High pressure, thermal insulating, fire resistant spraying hose |
| 06/20/1995 | US5425428 For permitting passage of a tool through the interior of a pipe |
| 06/15/1995 | WO1995016161A1 High-strength, low-torque threaded tubular connection |
| 06/14/1995 | CN2200743Y 接头 Connector |
| 06/13/1995 | US5423579 Tubular coupling with metal to metal seal |
| 06/08/1995 | WO1995015195A1 Plastic needleless valve housing for standard male luer locks |
| 06/08/1995 | WO1995015194A1 Slit septum needleless site with check valve |
| 06/08/1995 | WO1995015193A1 Anti-reflux valve with environmental barrier |
| 06/07/1995 | CN2200093Y Connecting method and conencting piece for water pipe |
| 05/31/1995 | CN2199395Y Directly inserted movable joint for pipeline |
| 05/31/1995 | CN1103148A Improved anti-seizure protection for joints, particularly suitable for the petroleum sector |
| 05/30/1995 | US5419595 Threaded joint for oil well pipes |
| 05/16/1995 | US5415442 Stabilized center-shoulder-sealed tubular connection |
| 05/11/1995 | DE4345119C1 Pipe connector |
| 05/02/1995 | US5411301 Tubing connection with eight rounded threads |
| 04/25/1995 | US5409066 Adjustable sprinkler head positioning assembly |
| 04/20/1995 | CA2118287A1 Integral joint for connecting two pipes |
| 04/19/1995 | EP0648967A1 Improved integral joint for connecting two pipes |
| 04/18/1995 | US5406983 Corrosion-resistant composite couplings and tubular connections |
| 04/12/1995 | EP0647810A1 Screw element with sealing for making a tight threaded connection |
| 04/11/1995 | US5405461 Method of producing high Strength sucker rod coupling |
| 04/11/1995 | US5405457 High strength sucker rod coupling |
| 04/11/1995 | US5405171 For containing a hard-to-handle fluid |
| 03/30/1995 | CA2132154A1 Method and fitting for connecting opposed ends of a pair of pipe sections |
| 03/29/1995 | CN1100788A Quick joint for rapid, tight-seal connection of pipes, particularly suitable for petroleum pipes |
| 03/21/1995 | US5398975 Composite threaded pipe connectors and method |
| 03/01/1995 | CN2190728Y Steam or liquid transport pipe system member |
| 02/08/1995 | CN2189255Y Screw-threaded joint of pipe end |
| 02/02/1995 | WO1995003475A1 Slimhole coring system |
| 01/24/1995 | US5383692 For joints of pipe |
| 01/11/1995 | CN2187248Y Pipe |
| 01/04/1995 | EP0632225A1 Improved anti-seizure protection for joints, particularly suitable for the petroleum sector |
| 01/04/1995 | CN2186841Y Floating movable joint for low pressure water, gas pipe network |
| 01/04/1995 | CN2186840Y Photoelectric tube quick joint |
| 12/28/1994 | EP0630455A1 Stabilized center-shoulder-sealed tubular connection |
| 12/27/1994 | US5375893 Threaded members |
| 12/27/1994 | CA1333652C Method of forming a screw thread and tubular body with a screw thread |
| 12/22/1994 | WO1994029627A1 Pipe connection with non-dovetail interlocking wedge threads |
| 12/22/1994 | WO1994029565A1 Multiple-seal underwater pipe-riser connector |
| 12/14/1994 | CN2185362Y Changeable liquid delivery hose |
| 12/08/1994 | WO1994028342A1 Dual gasket lined pipe connector |
| 12/07/1994 | EP0627040A1 Method for overburden drilling, casing shoe and casing tube for the method, and coupling element for the casing tubes |
| 11/30/1994 | EP0626535A1 Quick-joint for rapid, tight-seal connection of pipes, particularly suitable for petroleum pipes |
| 11/15/1994 | US5363545 Method of producing a coupling for oil country tubular goods |
| 11/09/1994 | EP0397721B1 Tubular connection having a variable metal-to-metal seal width |
| 11/01/1994 | US5360242 Pipe connecting assembly and method for joining two lengths of steel pipe by a press-fit connection |
| 11/01/1994 | US5360239 Threaded tubular connection |
| 10/26/1994 | CN1094145A Structural member of gas-liquid pipeline system |
| 10/25/1994 | US5358289 Buttress-threaded tubular connection |
| 10/18/1994 | US5355968 Tool joint stress relief groove |
| 10/18/1994 | US5355908 Reusable pipe union assembly with automatic fluid flow checking |
| 09/21/1994 | CN2177858Y Adjustable length pipeline sealing jointing sleeve |
| 09/20/1994 | US5348668 Coating and bonding composition |
| 09/20/1994 | US5348350 Pipe coupling |
| 09/13/1994 | CA1331906C High purity, high temperature pipe thread sealant paste |
| 08/23/1994 | CA1331539C Torque position makeup of tubular connections |
| 08/16/1994 | US5338074 Threaded pipe connection |
| 08/10/1994 | CN2173888Y Gas thread connection steel-plastic composite pipe and union joint |
| 08/02/1994 | US5334268 Method of producing high strength sucker rod coupling |
| 07/26/1994 | CA2049741C High pressure port fitting system |
| 07/19/1994 | US5330239 Pipe coupling |
| 07/05/1994 | USH1329 Drill collar connections |
| 06/22/1994 | EP0423196B1 Composite thread coupling for reinforced pipe |
| 06/18/1994 | CA2109854A1 High strength sucker rod coupling |
| 05/26/1994 | WO1994011664A1 Corrosion resistant connection for use with tubular members |
| 05/26/1994 | DE4239092A1 Electrically testable plastic pipe jointing for underground water - is sealed at two sepd. points by compression of elastic rings into grooves when bevelled ends of pipe encounter collar of sleeve |
| 05/26/1994 | CA2148498A1 Corrosion resistant connection for use with tubular members |
| 05/25/1994 | CN2166292Y Screw pipe fitting |
| 05/19/1994 | DE4317591C1 Gas-tight pipe-union with threaded male half screwing into tapped socket - has annular groove in threaded portion of one half which accommodates distorting sealing ring |
| 05/18/1994 | CN2165307Y Chemical liquid pipe joint |
| 05/05/1994 | DE4237218A1 Pipe connector for alignment control - has sleeved insert with inner- and outer threads of different pitch to pull components together. |
| 04/14/1994 | WO1994008168A1 Pipe connecting assembly and method for joining two lengths of steel pipe by a press-fit connection |
| 04/13/1994 | CN1024209C Hollow drill rods |
| 04/07/1994 | DE4233304A1 Coupling sleeve for drill or anchor rods - comprises abutment for limiting rod end screwing distance |
| 03/31/1994 | WO1994007072A1 Detachable pipe joint |
| 03/24/1994 | DE4231084A1 Rohrverbindung Pipe connection |
| 03/17/1994 | WO1994005893A1 Drill string coupling |
| 02/16/1994 | CN1082158A High torque connecting hoop |
| 02/15/1994 | US5286393 Coating and bonding composition |