| Patents for F16L 21 - Joints with sleeve or socket (9,147) |
|---|
| 10/16/1991 | EP0451900A1 Sealing ring for use in a pipe coupling |
| 10/16/1991 | CN2086842U Union thimble |
| 10/15/1991 | US5056832 Spacing ring for tubes in high temperature environment |
| 10/09/1991 | CN1014264B Disconnectable conector for pipes and bars |
| 10/09/1991 | CN1014263B Fluid fitting joint with high temp. capabilities |
| 10/02/1991 | EP0449082A2 Joint with sleeve |
| 10/02/1991 | EP0448921A1 Pipe joint |
| 10/02/1991 | CN2085895U Pipe joint without screw-thread |
| 10/01/1991 | US5052726 Seal structures for flanges having bowed sealing surfaces |
| 10/01/1991 | CA1289988C Joint secured against sliding |
| 09/23/1991 | WO1991014895A1 Pipe fitting with improved coupling body |
| 09/18/1991 | EP0446548A1 Device for connecting and sealing two pipes joined end to end |
| 09/18/1991 | CN2085017U Plastic joiner for metal elbow |
| 09/18/1991 | CN2085016U Fast assembled pipe joint |
| 09/18/1991 | CN2085014U Taper pipe joining apparatus |
| 09/11/1991 | EP0445514A1 Brake line quick connect joint |
| 09/08/1991 | CA2035005A1 Brake line quick connect joint |
| 09/04/1991 | CN2084145U Self-locking type concentric reducer |
| 09/03/1991 | CA1288361C Clamp |
| 08/28/1991 | EP0443223A1 Pipe section for a pipe conduit consisting of several parts |
| 08/28/1991 | CN2083676U Non thread wedge fastening pipe parts |
| 08/28/1991 | CN2083675U Clasp steel flexible pipe joint |
| 08/28/1991 | CN2083674U Pipe joint |
| 08/21/1991 | EP0441915A1 A seal ring for a sleeve joint |
| 08/21/1991 | CN2083235U Holding sleeve joint of straight-through pipe |
| 08/21/1991 | CN1013616B Joint for pipelines |
| 08/13/1991 | US5039137 Unshielded |
| 08/07/1991 | EP0439580A1 Pipe joint. |
| 08/06/1991 | US5037144 Restrained pipe joint |
| 08/06/1991 | CA1287346C Joint sleeve for pipe |
| 08/01/1991 | DE4101525A1 Seal between hollow concrete components - uses permanently plastic material partly filling one groove accommodating sealing strip |
| 07/31/1991 | EP0439313A2 Pipe joints and couplings and parts thereof |
| 07/30/1991 | CA1287078C Two part clamp or connector |
| 07/25/1991 | WO1991010858A1 Flexible coupling for hoses to be rolled flat and coupling method |
| 07/25/1991 | DE4040638A1 Frame tube connection - uses locking body on tube end to engage with clamping sleeve |
| 07/24/1991 | EP0438296A2 Interface joint for cylindrical members |
| 07/23/1991 | CA1286705C Quick connect fluid fitting assembly |
| 07/16/1991 | CA1286092C Clamping sleeve for pipes |
| 07/09/1991 | US5029907 Band for effecting a seal |
| 06/29/1991 | CA2012119A1 Collet type connector |
| 06/26/1991 | EP0433440A1 Pipe connection for advance working pipes laid underground by an advance working technique. |
| 06/26/1991 | EP0433335A1 Method of providing a joint between two components. |
| 06/26/1991 | CN1052542A Flexible joint |
| 06/26/1991 | CN1052541A Composite gasket for locked assembly of spigot and socket pipes |
| 06/25/1991 | US5026096 Axial force resisting pipe coupling |
| 06/19/1991 | EP0433202A1 Composite seal assembly for locked plug and socket pipe fittings |
| 06/19/1991 | CN1012916B Gasket for locked teleswpe joints |
| 06/18/1991 | US5024454 Compensating seal |
| 06/12/1991 | EP0431401A1 Pipe clamp |
| 06/05/1991 | CN2078407U Cone wedge type pipe union |
| 06/04/1991 | CA1284668C Coupling for corrugated conduit |
| 05/29/1991 | CN2077945U Portable joints for pipelines |
| 05/28/1991 | US5018768 Pipe coupling hinge |
| 05/22/1991 | EP0428195A1 A process of protecting the spigot of concrete pipes |
| 05/22/1991 | CA2023710A1 Pipe coupling |
| 05/14/1991 | US5015015 Clip securing arrangement for ventilation systems |
| 05/08/1991 | EP0426147A2 Concrete pipe having a corrosion resistant inner lining, suitable pipe connection pieces and sealing arrangements integrated into the end pieces of the pipes |
| 05/08/1991 | DE4034953A1 Concrete pipe with anti-corrosion inner living |
| 05/07/1991 | CA1283937C Pipe coupling |
| 05/04/1991 | CA2029144A1 Concrete pipe with a lining resistant to corrosion and with fitting connecting members and furthermore with sealing means integrated in the terminal parts of the pipe |
| 05/02/1991 | EP0424617A2 Smoke tube for a chimney made of several sections |
| 05/02/1991 | EP0424583A1 Pipe coupling |
| 04/30/1991 | US5011196 Union for fluid conduits, in particular for high purity gas |
| 04/25/1991 | DE4033160A1 Pipe clamp for joining pipes - consists of ring with slits and conically stepped part |
| 04/25/1991 | DE4008464A1 Multi-section smoke pipe for a chimney - comprises sections having widened coupling end and other end covered with ceramic fibre sealing material |
| 04/10/1991 | CN2074850U Pipe screw joint end without threading |
| 04/03/1991 | CN1050434A 管接头 Fittings |
| 04/02/1991 | US5004275 For pipeline repair |
| 04/02/1991 | US5004274 Snap ring joint assembly |
| 03/28/1991 | DE3931275A1 Pipe coupling with U=shaped ring in three or more segments - has inner sealing pocket with annular sealing sleeve, tightening screw and nut |
| 03/27/1991 | EP0419427A2 A device for fitting seals automatically into the seating grooves of thermoplastic pipe sockets |
| 03/27/1991 | EP0418961A1 Pipe coupling |
| 03/27/1991 | CN2073966U Connecting piece for special pipe |
| 03/26/1991 | US5002317 Internal expansion coupling device |
| 03/21/1991 | DE3930164A1 Pipes for waste-water system with integral plastics lining - use plastics jointing ring and are uses where aggressive liquids need disposal |
| 03/20/1991 | CN2073523U 管接头 Fittings |
| 03/20/1991 | CN1012101B Method for manufacturing plastic pipe body connected with sealing body of thermoplastic elastomer |
| 03/13/1991 | CN2073067U Quick pipe head |
| 03/13/1991 | CN1012005B Quick connect coupling |
| 03/13/1991 | CN1011954B Method for manufacturing assembly of plastic pipe body connected with sealing body |
| 03/06/1991 | EP0415012A2 Pipe connection |
| 03/05/1991 | US4997212 Internal expansion pipe coupling member |
| 03/02/1991 | CA2022078A1 Interconnecting corrugated hose |
| 03/01/1991 | WO1991003674A1 A seal ring for a sleeve joint |
| 03/01/1991 | CA2040416A1 Seal ring for a sleeve joint |
| 02/27/1991 | CN2072184U Rigid pipe joint without thread |
| 02/23/1991 | WO1991002918A1 Pipe joint |
| 02/21/1991 | DE3926879A1 Coupling seal for concrete drainage pipes - has inner elastomeric hose seal fitted in radial space between pipe ends and subjected to internal gas pressure |
| 02/21/1991 | DE3925293A1 Detachable connection for pipe with plug - is for pressurised medium, and has holder groove, attachment, seal, deflecting groove, and holder ring and plate |
| 02/20/1991 | CN2071741U Pipe joint flange |
| 02/20/1991 | CN1011736B Tubular article |
| 02/19/1991 | US4993756 Sealing in flow of fluid |
| 02/06/1991 | EP0411965A2 Coupling trunking or the like |
| 02/06/1991 | EP0411030A1 Conduit system. |
| 01/23/1991 | CN2069960U Convenient joint for steel pipe |
| 01/22/1991 | CA1279345C Pipe coupling |
| 01/16/1991 | EP0225335B1 Pipe lap joint with improved pull-apart strength |
| 01/16/1991 | CN2069522U Flange flexible fast fitting |
| 01/15/1991 | US4984830 Collet type connector |
| 01/13/1991 | WO1991000974A1 Pipe connection for advance working pipes laid underground by an advance working technique |