| Patents for F16L 23 - Flanged joints (7,944) |
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| 07/10/1990 | US4940259 Swivel lug pipe joint connections |
| 06/26/1990 | US4936483 Receptacle which can be dismantled and which can withstand an internal pressure |
| 06/19/1990 | US4934715 Gasket for use with manhole covers |
| 06/19/1990 | US4934673 V-clamp installation tool |
| 06/13/1990 | DE3841529A1 Flange connection on a motor vehicle exhaust |
| 05/31/1990 | DE3839604A1 Connection |
| 05/30/1990 | EP0370804A1 Lever catch |
| 05/23/1990 | DE3839012A1 Pipe coupling |
| 05/23/1990 | DE3838889A1 Connecting device |
| 05/17/1990 | WO1990005265A1 Flanged connection for valves |
| 05/17/1990 | WO1990005264A1 Conduit coupling devices with indicia features |
| 05/17/1990 | WO1990005263A1 Duct jointing devices |
| 05/09/1990 | EP0366771A1 Flanged joint. |
| 05/01/1990 | US4921284 High strength split clamp for pipe flanges |
| 04/25/1990 | EP0364615A1 Pipe coupling and its use for sprinkler installations |
| 04/25/1990 | CN1007751B Flanged joint |
| 04/24/1990 | US4919453 Low profile V-coupling |
| 04/24/1990 | US4919391 flanged connection for valves |
| 04/18/1990 | EP0364407A2 Sealing for valves or flanges, especially for vacuum application |
| 04/17/1990 | USRE33199 Temperature resistant joint packing with E-shaped spring seal |
| 04/11/1990 | EP0363312A2 Metallic connection with a tubular body |
| 04/11/1990 | CN1041218A Device for fixing a water meter onto a base and method relating thereto |
| 04/10/1990 | US4915137 Sheet plastic flange protector |
| 04/05/1990 | DE3926778A1 Flanschverbindung fuer traeger einer fachwerkkonstruktion Flange for traeger a truss construction |
| 04/05/1990 | DE3833535A1 Pipe coupling |
| 04/04/1990 | EP0361951A2 Vent collar for plastic lined pipe |
| 04/04/1990 | EP0361056A1 Face sealing structure |
| 04/03/1990 | US4913472 Sealed joint for a rocket employing fused inorganic vitreous material |
| 04/03/1990 | US4913468 Tube union reinforcing clip |
| 04/03/1990 | US4913464 Tubular joint with seal |
| 03/27/1990 | CA1267177A1 Flanged connector for grooved end pipe components |
| 03/27/1990 | CA1267176A1 Flanged connector for plain end pipe components |
| 03/22/1990 | DE3831050A1 Graphite-band seal |
| 03/21/1990 | EP0359665A1 Device for fastening a water meter on a base, and method for same |
| 03/21/1990 | EP0177526B1 Connection for pipes |
| 03/20/1990 | US4909548 Compound-taper flange assembly |
| 02/20/1990 | US4902046 Connector with quick release under load |
| 02/14/1990 | EP0354627A1 Method for preparing a corner profile fit for butting connection of closed channels |
| 02/14/1990 | EP0354272A1 Flush packing |
| 02/13/1990 | US4900070 Conduit coupling device with redundancy features |
| 02/13/1990 | US4900063 Clamping connection unit |
| 02/07/1990 | EP0354062A2 Corner bracket and interconnection system for ducting |
| 02/01/1990 | DE3923344A1 Pipe connection with elastomer compensating body - includes steel bead holder ring fitting into recess |
| 01/31/1990 | EP0352403A2 Seal ring |
| 01/25/1990 | DE3824777A1 Positively locking, weld-free, solder-free and beading-free O-ring/shafted sealing cone pipe connection |
| 01/24/1990 | EP0352018A1 A pipe jointing or closing device |
| 01/09/1990 | US4892321 Ultra-high vacuum device gasket with means of insertion and removal |
| 01/03/1990 | EP0348740A1 Remotely controllable screw connection |
| 01/03/1990 | EP0348569A1 Improvements relating to ring seals |
| 01/03/1990 | CN1038505A Flange connection |
| 01/02/1990 | US4890867 Integral ferrule |
| 12/28/1989 | DE3821194A1 Sealing ring for pipe connections, especially those in exhaust pipes |
| 12/26/1989 | US4889369 Adapter fitting |
| 12/19/1989 | US4887850 Adapter fitting |
| 12/14/1989 | WO1989012190A1 Radial pressure seal |
| 12/14/1989 | WO1989012189A1 Improvements relating to metallic sealing rings and their manufacture |
| 12/13/1989 | EP0346163A1 Device for constructing conduits especially for gas |
| 12/13/1989 | EP0346143A1 Circular duct connector |
| 12/13/1989 | CN2049301U Flanged engineering pipeline |
| 12/13/1989 | CN1006086B Sealing ring |
| 12/07/1989 | DE3818582A1 Connecting element for the air-tight and fluid-tight connection of polygonal, in particular square, plastic pipes |
| 12/07/1989 | DE3818448A1 Radial-pressure seal |
| 12/05/1989 | CA1263614A1 Air duct section with form fitted connecting flange |
| 11/30/1989 | WO1989011615A1 Flanged joint |
| 11/30/1989 | DE3816688A1 Flange connection for an air duct consisting of sheet metal, and process for producing such a flange connection |
| 11/28/1989 | US4883293 Clamp connector |
| 11/23/1989 | DE3915011A1 Loesbare rohrverbindung mit federringdichtung Detachable pipe connection with spring-ring seal |
| 11/21/1989 | US4881762 Duct connector for a circular duct |
| 11/21/1989 | US4881760 Conduit coupling device with redundancy features |
| 11/02/1989 | WO1989010512A1 Flange member for joining plate and ducts elements |
| 11/02/1989 | EP0339364A2 Flat packing |
| 10/18/1989 | CN2046171U 高压绝缘法兰 High voltage insulation flange |
| 10/17/1989 | US4874190 Specialized hose connector for connecting hydraulic hoses and ports of different ratings |
| 10/17/1989 | CA1262338A1 Flanged ring for pipes |
| 10/10/1989 | US4872712 Flange connection |
| 10/04/1989 | CN1005357B Flanged joints for elements or machines |
| 09/27/1989 | EP0333919A1 Joint connection for annular flanges |
| 09/27/1989 | EP0333814A1 Connector with interchangeable annular metal joint |
| 09/27/1989 | CN2045047U Expanding flange |
| 09/27/1989 | CN1035878A Joint connection for annular flanges |
| 09/26/1989 | CA1260982A1 Tube coupling |
| 09/26/1989 | CA1260981A1 Flange connection assembly for fiber-reinforced plastic pipe members |
| 09/19/1989 | US4867490 Circular duct connector |
| 09/14/1989 | DE3807145A1 Arrangement for sealing rectangular flanges, in particular for fastening relatively thin-walled inflow and outflow shrouds on pressure-tight housings, for receiving welded plate heat exchangers |
| 09/13/1989 | EP0332507A1 Clamping assembly for tubes consisting of a removable collar and a sealing carrier |
| 09/12/1989 | US4865365 Air duct section having a connecting flange formed by bending up the ends of the air duct walls |
| 09/12/1989 | US4864707 Method of aligning a vortex meter |
| 09/12/1989 | CA1259357A1 Joint for a pipe provided with a flared end |
| 09/07/1989 | DE3805885A1 Connection |
| 09/07/1989 | DE3805340C1 Clamp for connecting two tube (pipe) ends |
| 09/06/1989 | EP0330946A1 Clamping joining device |
| 09/06/1989 | EP0330769A1 Tubular joint with seal, method for repairing seal, and repair part insert |
| 08/29/1989 | US4861077 Trapezoidal seal ring connection |
| 08/29/1989 | US4861075 Coupling for rigidly connecting pipe sections |
| 08/16/1989 | EP0327714A2 Flanged joint with a seal |
| 08/15/1989 | US4857693 Method of forming stub ends |
| 08/08/1989 | US4854600 Pressure balanced metallic S-seal |
| 08/02/1989 | CN2042144U Insulated flange |
| 07/26/1989 | EP0325518A1 Separable pressure vessel |
| 07/25/1989 | US4850616 Flexible joint capable of use in the O'Connor combustor coaxial piping |