| Patents for F16L 21 - Joints with sleeve or socket (9,147) |
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| 03/11/1998 | CN1175994A Pipe coupling and method for secoring pipe to coupling piece |
| 03/11/1998 | CN1175652A Adhesive injection device |
| 03/04/1998 | EP0728244B1 Access gully |
| 03/03/1998 | US5722702 Plastic pipe compression coupler |
| 03/03/1998 | US5722701 Method and assembly for joining pipes |
| 03/03/1998 | US5722700 Coupling structure for pipes of synthetic resin |
| 03/03/1998 | US5722695 Pipe joint |
| 03/03/1998 | US5722666 Pipe coupler gasket with triangular sealing ridges |
| 02/25/1998 | CN1174602A Pipe assembly |
| 02/24/1998 | US5720086 Clamping collar |
| 02/18/1998 | CN1173909A Fuel line for vehicle fuel delivery means |
| 02/17/1998 | US5718462 Muffler tube coupling with reinforcing inserts |
| 02/10/1998 | US5716082 Fluid conveying device with removable connection |
| 02/05/1998 | WO1998004863A1 Misadjustment limiting segmented pipe coupling |
| 02/05/1998 | CA2261595A1 Misadjustment limiting segmented pipe coupling |
| 01/29/1998 | DE19628639A1 Sealing arrangement for a pipe sleeve connection |
| 01/27/1998 | US5711639 Clamp for cylindrical object |
| 01/22/1998 | WO1998002680A1 Bore seal assembly |
| 01/22/1998 | DE4447608C2 Dichtungsmanschette Gasket |
| 01/22/1998 | CA2259589A1 Bore seal assembly |
| 01/21/1998 | EP0819880A2 Improvements in or relating to coupling bodies |
| 01/21/1998 | EP0612390B1 Connections for valves |
| 01/21/1998 | CN1171149A High pressure fiber reinforced composite pipe joint |
| 01/20/1998 | US5709411 Draft compensating coupling member |
| 01/15/1998 | DE19715327A1 Method of forming end ring on cast iron pipe |
| 01/14/1998 | CN2272519Y Pipe joint for radiator |
| 01/13/1998 | US5707088 Joint for coupling plastic corrugated pipes |
| 01/13/1998 | US5706558 Hose clamp |
| 01/08/1998 | WO1998000609A1 Pile joint and method of producing this pile joint |
| 01/08/1998 | WO1996010903A3 Valve connector |
| 01/08/1998 | DE19645853C1 Connection between pipe and moulded part with clamping ring |
| 01/07/1998 | CN2272092Y Pressure pipe quick jointer |
| 01/07/1998 | CN1169518A High-airtight buttress thread casing-pipe connection structure |
| 01/02/1998 | DE19714801C1 Elastic sealing component for hydraulic insert connection |
| 12/29/1997 | EP0814203A2 Drainage system |
| 12/29/1997 | EP0814202A2 Drainage system |
| 12/29/1997 | EP0814201A2 Drainage system |
| 12/23/1997 | US5700038 Pipe connection assembly |
| 12/17/1997 | EP0813018A1 Tube coupling |
| 12/17/1997 | EP0813013A1 Pipeline connection with clamping device |
| 12/17/1997 | EP0812402A1 Tubing end-piece and connector |
| 12/17/1997 | CN2270872Y Quick connector for pipeline |
| 12/17/1997 | CN1168170A Quick coupling device for coupling tube to rigid element |
| 12/17/1997 | CN1167889A Coupling device |
| 12/14/1997 | CA2179220A1 Restrained sealed bolted joints of fluid piping systems, inclusive of an improved gland, an added compression control ring, and/or added skid pads placed on a grip ring |
| 12/10/1997 | EP0811127A1 A pipe coupling and a method for securing a pipe to a coupling piece |
| 12/10/1997 | EP0521064B1 Pipe fitting with improved coupling body |
| 12/10/1997 | CN1036676C Composite twine structure and making method and device |
| 12/09/1997 | US5695226 Conduit coupling |
| 12/04/1997 | WO1997045670A1 Fire-resistant pipe coupling |
| 12/04/1997 | DE19619906A1 Force-fit coupling strap for smooth surfaced pipe |
| 11/20/1997 | WO1997043571A1 Pipe coupling |
| 11/19/1997 | EP0807782A2 Pipe joint |
| 11/19/1997 | EP0807780A1 Device for sealingly connecting two flat pipes |
| 11/19/1997 | EP0807036A1 Valve connector |
| 11/19/1997 | CN2268170Y Metal flexible pipe joint |
| 11/18/1997 | US5687997 Sealing gasket with lubricant rib and retainer element |
| 11/12/1997 | CN2267371Y Quick action and flexible joint for water supply pipeline |
| 11/12/1997 | CN1036416C Sealing connecting restraining element for sealing and preventing pipe from tripping |
| 11/06/1997 | DE19639324A1 Automotive exhaust pipe bayonet join |
| 11/06/1997 | DE19617437A1 Elastomeric ring seal for use e.g. in collar fitting floor hole |
| 11/04/1997 | US5683115 Weak link for a seismic streamer cable connector module |
| 10/29/1997 | EP0803637A2 Pipe connector device with pin and box members having corresponding frusto-conical surfaces |
| 10/28/1997 | US5681062 Tubular joint |
| 10/23/1997 | WO1997039271A1 Plastic pipe compression coupler |
| 10/23/1997 | WO1997039236A1 High-pressure line union |
| 10/23/1997 | DE19615351A1 Pin-and-socket pipe joint seal |
| 10/22/1997 | CN2265465Y Locking type connector for pipe line |
| 10/22/1997 | CN2265464Y Pipe joint |
| 10/16/1997 | WO1997038256A1 Clamping method |
| 10/16/1997 | DE19614982C1 Hochdruckleitungsanschluß High pressure pipe connection |
| 10/07/1997 | CA2079950C Pipe jointing system |
| 10/01/1997 | CA2201221A1 Coupling assembly having enhanced axial tension strength and method of installation of coupled underground duct |
| 09/25/1997 | WO1997035138A1 Pile connection sealing ring |
| 09/24/1997 | EP0797040A2 Flexible pipe connector |
| 09/24/1997 | EP0797038A1 Pipe fitting device; particularly for ventilation systems |
| 09/24/1997 | EP0796407A1 Pipe assembly |
| 09/18/1997 | WO1997034102A1 Connection verifier for a quick connector coupling |
| 09/18/1997 | DE19609298A1 Method to connect two pipes or tubular components |
| 09/18/1997 | CA2248606A1 Connection verifier for a quick connector coupling |
| 09/17/1997 | CN2262640Y Pipe joint with positioning structure |
| 09/17/1997 | CN1159528A Pipe joint |
| 09/10/1997 | EP0794379A1 A pipe repair or jointing collar |
| 09/10/1997 | EP0794378A2 A coupling device |
| 09/06/1997 | CA2186903A1 Pipe repair or jointing collar |
| 09/04/1997 | WO1997032379A1 Split grooved sheath |
| 09/03/1997 | EP0793041A1 A sealing device |
| 09/03/1997 | EP0792429A1 High-pressure fiber reinforced composite pipe joint |
| 09/03/1997 | CN2261535Y Multiple contact-strip variable sealor |
| 09/02/1997 | US5662360 Interlocked restraint for a plastic pipe joining system |
| 09/02/1997 | US5662341 Metal-to-metal seal assembly for oil and gas well production apparatus |
| 08/28/1997 | WO1997031215A1 Device for producing a piping connection |
| 08/28/1997 | WO1997031203A1 Expandable band and locking mechanism for installing a flexible sealing element |
| 08/28/1997 | CA2190048A1 Pipe coupling assembly |
| 08/20/1997 | EP0789823A1 Detachable connecting or sealing device for transmitting axial tensile forces or hydraulic pressure forces |
| 08/19/1997 | US5658021 Pipe joint |
| 08/13/1997 | EP0789176A1 Composite pipe with a sleeve and method of manufacturing the same |
| 08/13/1997 | EP0764251A4 Friction sealed coupling for pipe |
| 08/13/1997 | CN2259546Y Joint of shotcrete pipe for cement |
| 08/12/1997 | US5655795 Throttle body inlet duct |