| Patents for F16L 23 - Flanged joints (7,944) |
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| 07/21/1992 | US5131693 Pipe coupling method |
| 07/21/1992 | CA1305506C Collet grip riser fitting |
| 07/15/1992 | CN2110125U Multipurpose quick join piece for pipeline |
| 07/14/1992 | US5129690 Apparatus for connecting the ends of a pair of oval duct sections |
| 07/07/1992 | US5127116 Pipe joint |
| 06/25/1992 | WO1992010669A1 Fuel pump |
| 06/23/1992 | US5123679 Connection together of pipes by breakable welded joint |
| 06/17/1992 | EP0490280A1 Flanged joint for air-conditioning channels |
| 06/11/1992 | WO1992009795A1 Pipes |
| 06/10/1992 | EP0489625A1 Improved clamp and clamp supporting apparatus |
| 06/10/1992 | CN2106947U Quick-adjusting joint for water pumps |
| 06/09/1992 | US5120086 Pipe connection |
| 06/04/1992 | DE4139453A1 Seal for flanges with metal comb seal and graphite layers - has metal base with teeth along sides |
| 06/04/1992 | DE4038014A1 Rohrleitung Pipeline |
| 06/02/1992 | USRE33946 Axially split clamp for push-on couplings |
| 05/13/1992 | EP0485076A1 Fitting |
| 05/12/1992 | CA1300663C Butt joint between two thin-walled round sheet metal pipe sections |
| 05/06/1992 | CN2103715U Pipe joint |
| 05/05/1992 | CA1300195C Thin-walled connecting pipe for pipeline and coupling structure for same |
| 04/30/1992 | DE4034330A1 Flat steel plate seal with inner and outer rings - has peripheral profiling and deformable elastomeric coating on both sides |
| 04/28/1992 | US5108133 Connector with quick release under load |
| 04/28/1992 | US5108132 Split spacer for flange fittings |
| 04/21/1992 | US5106128 Pipe connector, in particular for gases |
| 04/14/1992 | US5103915 Wellhead housing seal assembly for damaged sealing surfaces |
| 04/14/1992 | US5103872 Structure of air conduit flange and shock-absorbing connector |
| 04/14/1992 | US5103549 Method for connecting the ends of a pair of oval duct sections |
| 04/08/1992 | CN2101160U Rubber ring for large diameter plastic water pipe |
| 04/05/1992 | WO1992006320A1 Sealing ring |
| 04/05/1992 | CA2070381A1 Sealing ring |
| 04/02/1992 | WO1992005376A1 Coupling device for sealingly interconnecting two pressure vessel portions axially |
| 04/01/1992 | CN2100544U Stainless steel lined downhand welding flange |
| 03/25/1992 | CN2099889U Conveyer mortar pipe |
| 03/24/1992 | US5098132 Length compensating joint |
| 03/11/1992 | CN1015820B 管接头 Fittings |
| 03/10/1992 | US5094795 Method for forming flanges on plastic pipe |
| 03/04/1992 | EP0473489A1 Method to control the placement of a transportable element and the tightness of the joint with a fixed structure and use of this method |
| 03/04/1992 | CN2097937U Direct interlocking movable joint |
| 03/03/1992 | US5092636 Sealing ring disposed in recessed flange member |
| 02/27/1992 | DE3348345C2 Composite pipe joint seals with elastic refractory spacers |
| 02/25/1992 | US5090871 Junction assembly with leak detection means |
| 02/25/1992 | US5090101 Duct corner installation tool |
| 02/13/1992 | DE3348346C2 Composite pipe joint seals with elastic refractory spacers |
| 02/12/1992 | CN2095992U Moveable joint for outer pipe net |
| 02/04/1992 | US5085087 Sampling corrosive fluid |
| 01/29/1992 | CN2094670U Pipe single disc connector |
| 01/29/1992 | CN1058261A Verticle jiont parts of glass fibre reinforced plastic tube |
| 01/23/1992 | DE4022722A1 Pipe connection with fixture flange - has female sleeve, annular groove, elastomeric expander, tension rings and raised annular ridge |
| 01/22/1992 | EP0467229A1 Slip-preventing bushing for pipes |
| 01/22/1992 | CN2093948U Water delivery pipe of plastic |
| 01/21/1992 | US5082297 Gasket and gasketed joint |
| 01/15/1992 | EP0466256A1 Flanged coupling device for pipes, beams and the like |
| 01/15/1992 | CN2093298U Compound pipe connector |
| 01/14/1992 | US5080400 Double lobe tubular connector clamp |
| 01/08/1992 | EP0464050A1 Fluid-tight joints. |
| 01/07/1992 | US5078435 Self-aligned flanged coupling |
| 12/31/1991 | US5076594 Sealing connection between tubular members |
| 12/31/1991 | US5076591 Gas leakage seal |
| 12/27/1991 | EP0462454A1 Pipe coupling |
| 12/25/1991 | CN1015206B Sampling detector |
| 12/18/1991 | EP0461741A2 Improved length compensating joint |
| 12/18/1991 | CN2090913U Wearproof transfer piping made of glass fiber reinforced plastics |
| 12/17/1991 | US5073353 Catalytic converter front flange and method of making same |
| 12/17/1991 | CA1293109C Safety coupling clamp |
| 12/13/1991 | CA2044348A1 Coupling device for piping |
| 12/13/1991 | CA2042330A1 Length compensating joint |
| 12/11/1991 | CN1056927A Flange-type flexible quick-connecting pipe coupling |
| 12/04/1991 | EP0459510A2 Metal gasket |
| 12/03/1991 | US5069484 Duct joining system |
| 11/28/1991 | DE4113817A1 Fire protection joint between pipes - has ring of foam-producing material fitted between joint flanges |
| 11/27/1991 | EP0458700A1 Sealed butt end joining of two smooth pipes |
| 11/27/1991 | EP0458062A2 Circular duct connection |
| 11/26/1991 | WO1991019128A1 Seal ring and use of this ring |
| 11/26/1991 | CA2079312A1 Seal ring and use of this ring |
| 11/21/1991 | EP0456958A1 Sludge collector |
| 11/19/1991 | CA1292259C Tube clamp assembly |
| 11/07/1991 | DE4014400A1 Prodn. of FRP connecting flange - making continuous bias-wound tubing from rovings, cutting to length, drawing over core in mould, injecting resin into mould and curing |
| 11/06/1991 | EP0455464A2 Pipe couplings |
| 10/31/1991 | WO1991016191A1 Method and device for forming flanges an plastic pipe |
| 10/23/1991 | CN2087272U Thermo-insulating coaxial double-piped flange |
| 10/22/1991 | CA1291184C Quick unlocking connector under load |
| 10/15/1991 | US5056830 Flanged repair coupling for pipeline service |
| 10/10/1991 | DE4110364A1 Bolted joint with elastically deflected flanges - uses elasticity to maintain bolt tension and prevent loosening of bolts |
| 10/10/1991 | DE4110362A1 Bolted joint with elastically deflected flanges - uses elasticity to maintain bolt tension and maintain rigidity of joint |
| 10/08/1991 | US5054823 Flange type duct connector |
| 10/03/1991 | CA2039418A1 Pipe joint |
| 09/26/1991 | DE4009403A1 Pipe coupling with sealing device - including elastic sealing ring having projecting beads, allowing certain amt. of flexing |
| 09/25/1991 | EP0447955A1 Pipe coupling |
| 09/18/1991 | EP0446538A1 Device and method for fastening a water meter to a base |
| 09/17/1991 | US5048876 Closure apparatus for pipes and vessels |
| 09/03/1991 | CA1288452C Flanged connection for two cross-sectionally rectangular sheet-metal air-duct parts |
| 09/03/1991 | CA1288258C Pressure signal instrumentation having removable flanges and mounting method therefor |
| 08/28/1991 | EP0443193A2 Butt connection between two duct sections of sheet metal |
| 08/28/1991 | EP0442927A1 Duct jointing devices. |
| 08/20/1991 | CA1287828C Butterfly valve construction having a composite seat |
| 08/14/1991 | EP0441570A1 Flange type duct connector |
| 08/14/1991 | EP0366771B1 Flanged joint |
| 08/13/1991 | US5039140 Wellhead joint and sealing ring |
| 08/13/1991 | CA1287549C Anti-stall ball-check valve |
| 08/07/1991 | EP0439580A1 Pipe joint. |
| 08/06/1991 | US5037141 Pipe jointing or closing device |