| Patents for F16L 15 - Screw-threaded joints; Forms of screw-threads for such joints (5,444) |
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| 08/22/2001 | CN2444100Y Fast assembling telscopic connecting unit for heating radiator |
| 08/21/2001 | US6276884 Sealed threaded pairing of two threaded parts with sealing compound therebetween |
| 08/15/2001 | CN2443216Y Universal joint for radiator |
| 08/14/2001 | US6273474 Threaded connection for internally clad pipe |
| 08/09/2001 | WO2001057425A1 Socket and coupling piece |
| 08/08/2001 | EP1121553A1 Integral threaded assembly of two metal tubes |
| 08/08/2001 | EP1121552A1 Traction device for constructing an underwater system for transporting fluid, energy or signals |
| 08/08/2001 | EP1121551A1 Assembly for constructing an underwater system for transporting fluid, energy or signals |
| 08/07/2001 | US6270127 Two-step, low torque wedge thread for tubular connector |
| 08/01/2001 | EP0808437B1 A threaded joint for two tubular plastic parts |
| 07/31/2001 | US6267414 Pipe joint and a gasket therefor |
| 07/26/2001 | WO2001053424A2 Pipe thread sealing agent |
| 07/26/2001 | DE10002236A1 Pipe thread sealant containing liquid to paste-like components and synthetic and-or natural fibres, formulated to be non-hardening, chemically partly hardening or chemically hardening |
| 07/25/2001 | CN1305561A Drill rod coupling |
| 07/19/2001 | WO2001051840A1 Screw-threaded pipe joint |
| 07/18/2001 | CN1304007A Connecting corrugated flexible hose for split air-conditioner |
| 07/12/2001 | WO2001050056A1 Method of assembling two carcass ends |
| 07/05/2001 | WO2001048411A1 Screw joint for oil well pipe |
| 07/05/2001 | CA2395943A1 Screw joint for oil well pipe |
| 07/03/2001 | US6254147 Fluid-tight connecting apparatus |
| 07/03/2001 | US6254146 Thread form with multifacited flanks |
| 06/27/2001 | EP1110020A1 Threaded connection of two metal tubes with groove in the threading |
| 06/27/2001 | EP1110019A1 Threaded connection of two metal tubes with high tightening torque |
| 06/27/2001 | CN2436755Y Expantion-bearing Z-shaped elbow pipe joint |
| 06/13/2001 | EP1106778A1 Seal for expandable tubular connections |
| 06/12/2001 | US6244631 High efficiency drill pipe |
| 06/07/2001 | DE19955377A1 Rohrverbindung Pipe connection |
| 05/31/2001 | WO2001038771A1 Transition element |
| 05/31/2001 | WO2001038685A1 A thread joint and a male portion |
| 05/31/2001 | WO2001004520A8 Expandable joint connector |
| 05/31/2001 | CA2392411A1 A thread joint and a male portion |
| 05/29/2001 | US6237967 Threaded connection for oil country tubular goods and its method of manufacturing |
| 05/23/2001 | EP1101057A1 Multi-start wedge thread for tubular connection |
| 05/23/2001 | EP1101056A1 Threaded and coupled connection for improved fatigue resistance |
| 05/23/2001 | CN1066255C Plastic pipeline reducing joint piece |
| 05/17/2001 | WO2001035010A2 Control line coupling and tubular string-control line assembly employing same |
| 05/17/2001 | WO2001034936A1 Tube connection |
| 05/17/2001 | US20010001219 Threaded pipe connection and method |
| 05/16/2001 | EP1099071A2 Pipe connection |
| 05/15/2001 | US6231086 Pipe-in-pipe mechanical bonded joint assembly |
| 05/10/2001 | WO2001033131A1 Pipe joint |
| 05/10/2001 | CA2390136A1 Pipe joint |
| 04/26/2001 | WO2001029476A1 Threaded tubular joint proof to external pressure |
| 04/26/2001 | WO2001029475A1 Open type wedgethread connection |
| 04/25/2001 | CN2427701Y Pipe joint |
| 04/25/2001 | CN1065018C Screw joint for oil pipe and casing pipe |
| 04/22/2001 | CA2322918A1 Modular shower arm mounting system |
| 04/19/2001 | WO2001026839A1 Method and apparatus for detecting wear at connections between pin and box joints |
| 04/18/2001 | CN1292058A Threaded assembly of metal tubes designed to contain corrosive fluid |
| 04/12/2001 | WO2001024723A1 Elements to be linked by means of a screw connection, especially elements of a medical instrument |
| 04/11/2001 | EP1091158A2 Telescopic pipe |
| 04/11/2001 | CN1290831A 管接头 Fittings |
| 04/05/2001 | DE19947325A1 Dental or medical tool has threaded section and fits into socket in handle whose first section is wider than second and is eccentric with respect to it, tool being first inserted into wider section and then screwed into narrower section |
| 04/04/2001 | EP1088150A1 Drill rod coupling |
| 04/03/2001 | US6209926 Pipe coupler |
| 03/28/2001 | CN1289019A Screwed pipe adapter with high-resistance to over torque and pressure |
| 03/28/2001 | CN1289018A Screwed connection with high safety and stability |
| 03/27/2001 | US6206436 Differential wedge thread for threaded connector |
| 03/22/2001 | DE10042209A1 High pressure pipe connector comprises threaded male connectors on pipe ends with noses which lodge against shoulders on central section of double-ended socket with threaded ends |
| 03/08/2001 | WO2001016516A1 Threaded joint for oil well pipe |
| 03/07/2001 | CN2422510Y Portable three-way pipe |
| 02/28/2001 | CN2421486Y Loose joint for waste water pipe |
| 02/28/2001 | CN2421485Y Jointing structure for water inlet or outlet |
| 02/27/2001 | US6193284 Connector for securing heat exchanger tube to heating vessel bulkhead |
| 02/15/2001 | WO2001011182A1 Threaded pipe connection |
| 02/15/2001 | WO2001011181A1 Automated lubricant dispensing system and method for a horizontal directional drilling machine |
| 02/14/2001 | EP1076198A1 Coupling |
| 02/14/2001 | CN1283761A Connector |
| 02/01/2001 | WO2001007815A1 Assembly comprising a tube and a sleeve |
| 01/24/2001 | EP1070193A1 Two-step, differential diameter wedge threaded connector |
| 01/24/2001 | EP1070192A1 Two-step, low torque wedge thread for tubular connector |
| 01/24/2001 | CN2416323Y Joints of steel plastic compound pipes |
| 01/23/2001 | US6176524 Oil well pipe threaded joint |
| 01/18/2001 | WO2001004520A1 Expandable joint connector |
| 01/18/2001 | DE10028015A1 Adding a liner to a borehole by inserting liner on a mandrel, injecting liquid between the liner and the borehole and expanding the liner onto the wall |
| 01/16/2001 | US6174001 Two-step, low torque wedge thread for tubular connector |
| 01/16/2001 | US6174000 Screw joint for oil well piping |
| 01/10/2001 | EP1066450A2 Threaded assembly of metal tubes designed to contain a corrosive fluid |
| 01/10/2001 | CN2414273Y Male-screw-threaded active joint |
| 01/03/2001 | EP1065427A1 Pipe joint |
| 01/03/2001 | EP1065423A2 Pipe joint |
| 12/13/2000 | CN2410514Y Large plastic water pipe fitting |
| 12/12/2000 | US6158785 Multi-start wedge thread for tubular connection |
| 12/07/2000 | CA2310878A1 Lubrication and self-cleaning system for expansion mandrel |
| 12/06/2000 | EP1056968A1 Threaded connection for internally clad pipe |
| 12/05/2000 | US6155613 Pipe joint |
| 11/29/2000 | CN2408071Y Outer steel inner plastic petroleum pipe protective outer ring |
| 11/29/2000 | CN2408070Y Outer steel inner plastic petroleum pipe protective inner ring |
| 11/22/2000 | CN1274413A Oil well pipe screw joint, and threading method and appts. therefor |
| 11/16/2000 | WO2000068606A1 Flexible tube coupling fitting |
| 11/15/2000 | CN2406137Y Pipe adaptor |
| 11/15/2000 | CN2406131Y Convenient valve |
| 11/09/2000 | WO2000066929A1 Rotationally locked tool joint for connecting drill pipe sections together |
| 11/09/2000 | WO2000066928A1 Threaded connection with high compressive rating |
| 11/08/2000 | CN1058329C Reinforced pressure plastic hose, and connecting piece thereof |
| 11/02/2000 | WO2000065268A1 Thread form with multifaceted flanks |
| 10/26/2000 | WO2000063604A1 Closure for container |
| 10/25/2000 | EP1046779A1 Threaded pipe connection |
| 10/25/2000 | CN1271068A Extruded joint pipe fittings |
| 10/24/2000 | US6135509 Safety collar and tendon assembly for threaded connections |