| Patents for F16L 21 - Joints with sleeve or socket (9,147) |
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| 04/16/1996 | US5507504 Sealing device with c-shaped lips and central projection |
| 04/10/1996 | EP0705999A1 Arrangement for sealing a construction joint |
| 04/10/1996 | CN2224322Y Fastening-hoop type seal coupling mechanism for high-temp. high-pressure pipeline |
| 04/10/1996 | CN2224321Y Adaptor for pipe |
| 04/09/1996 | US5505497 Mechanical joint connections for fiberglass reinforced duct sections |
| 04/09/1996 | US5505495 Watertight coupling between a tube and an endpiece |
| 04/04/1996 | WO1996009904A1 Boring method for forming tapering through hole in work by using press, and boring tool therefor |
| 04/04/1996 | DE19532356A1 Pipe coupling with retention housing with two end sections |
| 04/03/1996 | EP0542779B1 Pipe coupling |
| 03/28/1996 | DE19533648A1 Pipe coupling with peripheral socket with free play |
| 03/27/1996 | EP0703398A1 Connection verifier for a quick connector coupling |
| 03/27/1996 | EP0703397A1 Fastening coupling for a ringed tube |
| 03/27/1996 | EP0702765A1 Coupling joint |
| 03/27/1996 | CN2223407Y Insert type flexible-rigid socket jointing short sleeve |
| 03/27/1996 | CN2223405Y Quickfit bend |
| 03/27/1996 | CN2223403Y Conical sleeve type pipe connecting fast erecting element |
| 03/20/1996 | EP0702185A1 Quick connector, with pull back verification method |
| 03/20/1996 | EP0702183A2 Concrete product with either internal or external sealing means |
| 03/19/1996 | US5499848 Connection verifier for a quick connector coupling |
| 03/19/1996 | US5499439 Method of forming a flexible metal hose connector |
| 03/19/1996 | CA2083902C Pipe coupling |
| 03/14/1996 | DE4431958A1 Sleeve for coupling socket=free pipes |
| 03/13/1996 | EP0701081A1 Coupling structure for pipes of synthetic resin |
| 03/13/1996 | CN2222279Y Active no-screw pipe joint |
| 03/07/1996 | WO1996007047A1 Connecting collar for pipes |
| 03/07/1996 | WO1996007046A1 Pipe coupling |
| 03/07/1996 | CA2199025A1 Connecting collar for pipes |
| 03/05/1996 | US5496073 Disengagement tool for use with a pipe joint assembly |
| 02/29/1996 | DE19528288C1 Twin cylinder pump for viscous materials |
| 02/28/1996 | CN1117757A A sealing device a mould element and a pipe |
| 02/21/1996 | EP0697556A2 Hose-to-tube connector |
| 02/15/1996 | DE4428572A1 Pipe coupling for smooth end pipes |
| 02/14/1996 | EP0696701A1 A sealing ring device |
| 02/14/1996 | CN2220002Y 塑料泵管 Plastic Tubing |
| 02/14/1996 | CN2220001Y Steel wire clamping quick-acting pipe connection |
| 02/14/1996 | CN2220000Y Quick connecting component for pipeline |
| 02/07/1996 | CN2219414Y Multi-purpose fast convenient pipeline joint |
| 01/30/1996 | US5487572 For a tube |
| 01/17/1996 | CN2217714Y Thermal-contraction case-pipe of metal piece reinforcing screen-type continuous sealing |
| 01/16/1996 | US5484171 Coupling joint |
| 01/10/1996 | EP0691500A1 Arrangement for connecting pipes |
| 01/10/1996 | EP0691498A1 Pipe joint sealing assembly |
| 01/10/1996 | CN2217159Y Winding type composition belt for covering |
| 01/10/1996 | CN2217158Y Thermal insulation tube |
| 01/03/1996 | EP0690258A1 Calcium alumina cement lined pipe |
| 01/03/1996 | EP0690256A1 Gripping element for a pipe coupling |
| 01/03/1996 | EP0689635A1 Casing pipe with coupling sleeves at one or both ends |
| 01/03/1996 | CN2216627Y Sealing ring |
| 01/03/1996 | CN2216625Y Pipe and connector using for transfering water, power and gas |
| 01/02/1996 | US5480196 Ductile iron pipe joint employing a coupling and coupling therefor |
| 01/02/1996 | US5480193 Clamp for push-on couplings |
| 12/29/1995 | CA2152713A1 Tension-resisting pipe connection and method of making same |
| 12/27/1995 | EP0688995A1 Sealing for pluggable plastic pipes |
| 12/27/1995 | CN2216185Y Structurally improved joint for water tap |
| 12/20/1995 | EP0428566B1 Clamp for coupling and sealing pipe joints |
| 12/20/1995 | CN2215651Y Pressure-resistant high-strength plastic pipe piece |
| 12/20/1995 | CN2215650Y High-pressure refractory quick joint pipe piece |
| 12/19/1995 | US5476292 Pipe couplings |
| 12/19/1995 | US5476290 Plug-in socket joint secured against sliding movement |
| 12/13/1995 | EP0686799A1 A device for sealing an annular space |
| 12/13/1995 | EP0686245A1 A sealing device, a mould element and a pipe |
| 12/13/1995 | CN2215059Y High-speed movable concentric reducer |
| 12/12/1995 | US5474337 Joint and seal system for air transfer tubes |
| 12/09/1995 | CA2151173A1 Device for sealing an annular space |
| 12/07/1995 | WO1995033156A1 Friction sealed coupling for pipe |
| 12/07/1995 | DE4419372A1 Connection between tubular shaft and solid shaft end |
| 12/07/1995 | CA2190775A1 Friction sealed coupling for pipe |
| 12/06/1995 | EP0685317A1 A method for manufacturing a thermoplastic pipe |
| 12/01/1995 | CA2124654A1 Pipe coupling arrangement |
| 11/30/1995 | DE19519073A1 Exhaust gas and combustion air outlet and infeed pipeline connection |
| 11/29/1995 | CN2213904Y 管接头 Fittings |
| 11/29/1995 | CN2213902Y Tight bind type pipe joint |
| 11/22/1995 | EP0682758A1 A method of making a pipe connection and a tool suitable for use when carrying out the method |
| 11/22/1995 | CN2213267Y Quick-acting assembling and disassembling sealing joint for hard pipe |
| 11/21/1995 | US5468027 Tube couplings |
| 11/21/1995 | US5468025 Sewer line vent clamp assembly |
| 11/15/1995 | EP0681667A1 Radiator system |
| 11/15/1995 | CN2212698Y Shaped series champing sleeve for blocking leakage and shunting of pipe joint |
| 11/15/1995 | CN2212697Y Pipe joint |
| 11/14/1995 | CA2057605C Pipe coupling |
| 11/09/1995 | DE4415166A1 Tightening element for tube clamp |
| 11/08/1995 | EP0680578A1 Method and device for fastening a sealing ring on a pipe. |
| 11/07/1995 | US5464228 Restraining element for pressure pipe joints |
| 11/02/1995 | EP0512015B1 Flexible coupling for hoses to be rolled flat and coupling method |
| 11/01/1995 | CN2211531Y Multifunctional pipe connector |
| 10/31/1995 | CA2031431C Composite gasket for locked assembly of bell and spigot pipes |
| 10/25/1995 | EP0678180A1 Sealing device on a pipe and sealing ring therefor |
| 10/24/1995 | CA2084104C Elastomer-lined metal pipe |
| 10/18/1995 | EP0677690A1 Socket butt sealing |
| 10/18/1995 | CN1030102C Pipe coupling |
| 10/17/1995 | US5458380 Pipe joint |
| 10/11/1995 | CN2209751Y Sealed half-ring inner hoop pipe type connecting apparatus |
| 10/11/1995 | CN2209750Y Flexible combined drain case iron pipe connector |
| 10/11/1995 | CN2209749Y Non-leaking water pipe connector |
| 10/11/1995 | CN2209748Y Adjustable connector |
| 09/27/1995 | CN2208652Y Pipe fixing ring with automatic adjusting function |
| 09/27/1995 | CN1109155A Fast joint type cast iron soil pipe jointing device |
| 09/26/1995 | US5452921 Axially swaged fitting |
| 09/26/1995 | CA2075696C Pipe connecting apparatus |
| 09/21/1995 | DE4409136A1 Connector for stone flue sections |