| Patents for F16L 23 - Flanged joints (7,944) |
|---|
| 07/25/1989 | US4850521 Device for the sealed connection of two pipe elements |
| 07/18/1989 | US4848806 Redundant seal for pressure vessels |
| 07/06/1989 | DE3744045A1 Connection |
| 07/05/1989 | EP0323338A1 Joining device for two coupling flanges of an exhaust pipe spaced apart from each other |
| 06/27/1989 | US4842287 Helium pressure seal for a cryogenic refrigerator |
| 06/22/1989 | DE3741782A1 Connection |
| 06/20/1989 | US4840521 Element for filtering stress variations in a bolted assembly |
| 06/07/1989 | EP0318715A1 Pipe joint |
| 06/07/1989 | EP0219492B1 A joint for a pipe provided with a flared end |
| 06/06/1989 | US4836585 Shaped flange for connecting air duct segments |
| 06/06/1989 | US4836583 Pipe connection for instruments or machines |
| 06/01/1989 | DE3830241A1 Pipe connection |
| 05/30/1989 | US4834431 Clamp for joining two metal pipes |
| 05/24/1989 | EP0317234A1 Flanged pipeline connections |
| 05/23/1989 | US4832383 Pipe and flange assembly |
| 05/23/1989 | US4832380 Pipe connection and clamp for same |
| 05/23/1989 | US4832379 Collet grip riser fitting |
| 05/23/1989 | US4832377 Arrangement for fixing end of thin-walled pipe to flange coupling |
| 05/23/1989 | US4832353 Ring seals |
| 05/18/1989 | DE3736606A1 Anordnung zum befestigen eines endes eines duennwandigen rohres an einer flanschkupplung Arrangement for attaching a forming a light-wall tube to a flange |
| 05/17/1989 | EP0315723A1 Casted welding neck and loose flanges, made of steel or aluminium, with suspension lug, welding bracket and recesses for welding discs |
| 05/16/1989 | CA1254108A1 Valve manifold having removable flange |
| 05/05/1989 | WO1989003953A1 Helium pressure seal for a cryogenic refrigerator |
| 05/02/1989 | US4826220 Means for connecting successive sections of tubular elements |
| 04/20/1989 | WO1989003495A1 Connector with interchangeable annular metal joint |
| 04/20/1989 | WO1989003491A1 Flexible ring seal |
| 04/19/1989 | EP0312317A2 Pipe couplings |
| 04/18/1989 | US4822083 Butt joint between two thin-walled round sheet metal pipe sections |
| 04/18/1989 | US4822075 Flanged repair coupling for pipe line service |
| 04/18/1989 | CA1252615A1 Tool for radially compressing a split flange |
| 04/13/1989 | DE3832728A1 Pipe with a sealing flange for the exhaust gases of a vehicle engine |
| 04/13/1989 | DE3733326A1 Frame-shaped diaphragm or spacing washer |
| 04/12/1989 | EP0310773A1 Break down resistant connection with differentiated rubberised sorts in the flange region of pipe-lines |
| 04/12/1989 | EP0310725A1 Metal-graphite composite sealing |
| 04/11/1989 | US4819973 Hermetic connection device and method of providing hermetic connection |
| 04/11/1989 | CA1252400A1 Conductive flanges for pipe fittings |
| 04/06/1989 | DE3731943A1 Remotely controllable device for connecting pipe flanges |
| 04/06/1989 | DE3731942A1 Remotely controllable device for connecting pipe flanges |
| 04/06/1989 | DE3731941A1 Remotely controllable device for connecting pipe flanges |
| 04/06/1989 | DE3731939A1 Remotely controllable device for bracing a shut-off member between two pipe flanges |
| 04/06/1989 | DE3731938A1 Remotely controllable device for connecting pipe flanges |
| 04/06/1989 | DE3731936A1 Remotely controllable device for connecting pipe flanges |
| 03/22/1989 | EP0193542B1 Double flange for joining pipe sections and the like having collars |
| 03/22/1989 | CN1031808A New method for manufacturing steel flanges |
| 03/21/1989 | US4813692 Pressure balanced S-seal |
| 03/21/1989 | US4813457 Flanged pipe part made of fiber-reinforced thermosetting synthetic resin with protective layer preventing crack formation in an angular intersection |
| 03/15/1989 | CN2034230U Combined steel-plastic compound fitting |
| 03/14/1989 | CA1251239A1 Tube coupling |
| 03/14/1989 | CA1251236A1 Device for connecting two pipe ends |
| 03/14/1989 | CA1251028A1 Device for joining two pipe ends |
| 03/09/1989 | DE3729109A1 Flat gasket |
| 03/07/1989 | US4810011 Structure in which a small-diameter thin metal tube is fixed at one end to a flange coupling |
| 03/01/1989 | EP0305232A1 Clamping collar to join two metal tubes together |
| 02/22/1989 | EP0303902A2 Device for connecting cylindrical elements |
| 02/16/1989 | DE3726008A1 Pipe connection for pipe ends |
| 02/14/1989 | CA1250006A1 Flange protector |
| 02/08/1989 | EP0302618A1 Connecting device |
| 02/07/1989 | US4802698 Joint means having flanges |
| 01/25/1989 | EP0300231A1 Seal for a flanged joint |
| 01/18/1989 | EP0299324A1 Remotely controllable tube connection and multi-purpose tool therefor |
| 01/11/1989 | EP0298912A1 Frame connection for two channel segments of an airduct |
| 01/10/1989 | US4796896 Multi-stage elastomeric seal with retainer |
| 01/05/1989 | DE3820379A1 Connection for hydraulic lines |
| 01/05/1989 | DE3720224A1 Seal for sealing off stationary surfaces, especially a flange gasket |
| 01/03/1989 | US4795166 High)temperature resistant seal between flanged pipes |
| 12/21/1988 | EP0295479A1 Sealing joint |
| 12/21/1988 | EP0215932B1 Flange connection of two rectangular cross section air drain sub-components of sheet metal |
| 12/13/1988 | US4790568 Apparatus for selective combination of at least one first stationary pipeline for liquids with a plurality of second stationary pipelines |
| 12/13/1988 | US4790178 Intake structure of internal combustion engine with bypass intake passage for mounting air flow meter |
| 11/30/1988 | EP0292754A1 Flange for fastening pipes |
| 11/29/1988 | US4787654 Flange connection with improved seal and bolt-nut design |
| 11/24/1988 | DE3716136A1 Profile for flanged connections of ventilation ducts |
| 11/23/1988 | CN88101004A Flanged joint |
| 11/22/1988 | CA1245242A1 Temperature resistant joint packing with e-shaped spring seal |
| 11/17/1988 | EP0291331A2 Pipe couplings |
| 11/15/1988 | US4784413 End of thin-walled metal tubing of small diameter coupled to flange |
| 11/15/1988 | US4784411 Seal assembly, especially for a flange seal |
| 11/09/1988 | CN87103183A Antipressure anticorrosion complex pipe and its manufactural technology |
| 11/08/1988 | US4782577 Method of using V-clamp installation tool |
| 11/03/1988 | DE3712814A1 Flange connection for pipeline and apparatus construction work |
| 11/01/1988 | US4781406 Clamping apparatus for joining two flanges |
| 10/27/1988 | DE3710665A1 Butt connection between two sheet-metal duct portions |
| 10/26/1988 | EP0287755A1 Connection between two abutting sheet metal tubes |
| 10/25/1988 | US4779903 Sealing ring |
| 10/25/1988 | US4779441 Tube having a flared end |
| 10/25/1988 | CA1243648A1 Catalytic converter support hanger |
| 10/18/1988 | US4778202 Tubular component made out of quartz glass with a flange |
| 10/11/1988 | US4776193 Method for making flange half shells, as well as flanges formed by two flange half shells |
| 09/29/1988 | DE3804498A1 Process for joining flanges with a smooth sealing strip, and means suitable for carrying out the process |
| 09/21/1988 | EP0282608A1 Flanged coupling |
| 09/20/1988 | US4771527 Tool to place a tensioning roller-chain around a flange, and associated tensioning roller-chain |
| 09/13/1988 | US4769889 For separating/drawing together the juxtaposed ends of pipes |
| 09/13/1988 | CA1241978A1 High pressure flow line connection |
| 08/30/1988 | US4767137 Tube connecting device |
| 08/23/1988 | US4765375 Duct |
| 08/17/1988 | EP0278586A1 Safety coupling clamp |
| 08/11/1988 | DE3702949A1 Pipe coupling |
| 08/10/1988 | EP0277724A2 Pressure balanced s-seal |
| 08/10/1988 | CN87203640U New type connector for pipes in well |
| 08/02/1988 | CA1239884A1 Flange connections for ducting |