| Patents for F16L 23 - Flanged joints (7,944) |
|---|
| 07/30/1991 | CA1287078C Two part clamp or connector |
| 07/17/1991 | EP0437193A1 Raised face flange alignment tool |
| 07/16/1991 | US5031755 Pipe line termination system |
| 06/26/1991 | EP0433501A1 Metal gasket |
| 06/26/1991 | CN1052542A Flexible joint |
| 06/26/1991 | CN1012984B Joint connection for annular flanges |
| 06/25/1991 | CA1285301C Device for the sealed connection of two pipe elements |
| 06/11/1991 | US5022688 Flange type duct joint assembly and seal arrangement therefor |
| 06/11/1991 | CA1284721C Contractible coupling |
| 06/06/1991 | DE3940135A1 Connection with two flanges and seal - has tension ring, operating lever, driven part and closure piece |
| 06/05/1991 | CN2078408U High pressure flange sealing ring |
| 05/28/1991 | US5018769 Adapter fitting |
| 05/28/1991 | US5018768 Pipe coupling hinge |
| 05/23/1991 | DE4010555C1 Non-wearing pipe for carrying abrasive fluids - includes hardened steel liner pipe enclosed by welded outer jacket |
| 05/21/1991 | US5016925 Pipe coupling and method of forming |
| 05/21/1991 | US5016920 Pipeline coupling |
| 05/15/1991 | EP0426950A2 Profiled parts for a sheet metal canal |
| 05/15/1991 | CN2077074U Jointed flange for inflammable and explosive place |
| 05/14/1991 | US5015018 Duct connector |
| 05/14/1991 | CA1284160C Conduit connector structure and sealing-ring |
| 05/03/1991 | WO1991006800A1 Closure apparatus for pipes and vessels |
| 05/02/1991 | DE4025652A1 Pipe connection flange with pipe socket - has ring washer of U=shaped annular cross=section, with sealing surface, bridge piece and screws |
| 05/01/1991 | CA2028754A1 High performance valve |
| 04/30/1991 | US5011196 Union for fluid conduits, in particular for high purity gas |
| 04/30/1991 | CA1283528C Apparatus for replacing pipe gaskets |
| 04/18/1991 | DE3933821A1 Sealing pipe connection for butt jointed pipe ends - has two separate sealing section rings set in axially spaced sealing chambers |
| 04/18/1991 | DE3933820A1 Sealing pipe connection for butt jointed pipe ends - has two separate sealing section rings set in two axially spaced sealing chambers |
| 04/11/1991 | DE3932794A1 Connection with two flanges and seal between - uses multi-linked chain, with tension and fastening pieces, and tightening screw and threaded nut |
| 04/09/1991 | US5005879 Corner bracket and interconnection system for ducting |
| 04/03/1991 | EP0419774A1 Face seal assembly |
| 04/03/1991 | CN1050434A 管接头 Fittings |
| 04/02/1991 | US5004017 Pipe stabilizing system for underwater use in joining flanged pipe sections |
| 03/30/1991 | CA2020600A1 Face seal assembly |
| 03/27/1991 | EP0418961A1 Pipe coupling |
| 03/19/1991 | US5000492 Flanged connection for flow line members |
| 03/19/1991 | US5000490 Adapter fitting |
| 03/19/1991 | US5000488 Adapter fittings and connectors |
| 03/19/1991 | US5000487 Frangible V-band coupling |
| 03/12/1991 | US4998740 Face seal assembly |
| 03/07/1991 | DE3928837A1 Air conditioning or ventilation duct - has thermal insulation secured by plastics flange which clips over metal flange |
| 02/27/1991 | EP0414339A1 Wellhead joint and sealing ring |
| 02/26/1991 | US4995648 For air conditioning ducting |
| 02/26/1991 | US4995643 Device for fixing a water meter on to a base and method relating thereto |
| 02/23/1991 | WO1991002918A1 Pipe joint |
| 02/20/1991 | CN2071742U Leakproof connecting means for machine oil pump |
| 02/20/1991 | CN2071741U Pipe joint flange |
| 02/20/1991 | CN2071740U Fast joints for pipe |
| 02/14/1991 | DE4023279A1 Method of joining two walls or flanges - consists of elastic sealing ring with space between, and bridge pieces |
| 02/14/1991 | DE3926432A1 Pipe coupling with tension cup in two halves - has hinge and end coupling flanges, with tightening clasp, lugs and screw |
| 02/14/1991 | DE3926155A1 Flange seal for pipework in nuclear and no-go areas - has metal free carbon seals in carrier, clipped to remote controlled free flange for ease of assembly to fixed flange |
| 02/13/1991 | EP0412677A2 Pipeline coupling |
| 02/12/1991 | US4991881 Valve flange retainment system |
| 02/07/1991 | WO1991001467A1 A coupling assembly |
| 02/05/1991 | US4989314 Method for preparing a corner profile fit for butting connection of closed channels |
| 02/02/1991 | CA2022405A1 Bore seal |
| 01/31/1991 | DE4022769A1 Multiple coupling for pipe lines - has radially elastic detent engaging in groove in housing of coupling |
| 01/30/1991 | CN1048924A Sampling detector |
| 01/29/1991 | US4988130 Metal seal flange assembly |
| 01/29/1991 | US4988075 Seal for valves or flanges, in particular for vacuum technology |
| 01/23/1991 | EP0409766A2 Sampling probe |
| 01/22/1991 | US4986574 Raised face flange alignment tool |
| 01/21/1991 | CA2020233A1 Coupling assembly |
| 01/16/1991 | EP0408536A1 Valve flange retainment system |
| 01/16/1991 | CN2069522U Flange flexible fast fitting |
| 01/11/1991 | CA2020770A1 Valve flange retainment system |
| 01/02/1991 | CA1278596C Air-duct connecting section with seal |
| 01/01/1991 | US4981311 Coupling assembly |
| 12/19/1990 | EP0403379A1 Connecting ring for exhaust pipes |
| 11/29/1990 | WO1990014545A1 Device for obtaining a liquid-tight connection between a pipe and a flanged socket or a flanged pipe |
| 11/29/1990 | DE3917453C1 Sealing pipe coupling system - has location ring surrounded by two triangular seal rings |
| 11/29/1990 | DE3916916A1 Vorrichtung zur fluessigkeitsdichten verbindung eines rohres mit einer flanschmuffe oder einem flanschrohr A device for connecting a pipe with a fluessigkeitsdichten flanged sleeve or a flanged pipe |
| 11/28/1990 | CN1010608B Flange connection |
| 11/13/1990 | US4969923 Safety latch |
| 11/07/1990 | EP0396151A2 Method for manufacturing a pipe flange joint |
| 10/17/1990 | EP0392901A1 Connection for fluid conduits, especially for a high-purity gas |
| 10/16/1990 | CA1275299C Joint for pipe |
| 10/16/1990 | CA1275187C Element for filtering stress variations in a bolted assembly |
| 10/10/1990 | CN2063601U Pipeline connection means having internal corrosion-resistant coating |
| 10/09/1990 | US4961444 Clamp assemblies |
| 10/03/1990 | EP0390057A1 Suitable train of pipes for replacement of a pipe section, method for replacement of such pipe section and with this method the production of train of pipes |
| 09/25/1990 | CA1274560A1 Duct connecting system |
| 09/20/1990 | WO1990010813A1 Swivel lug pipe joint connections |
| 09/20/1990 | WO1990010812A1 Fluid-tight joints |
| 09/19/1990 | EP0387652A1 Metal-coated gasket |
| 09/04/1990 | US4953580 Bolted pipe joint releasable by remote control and combination tool therefor |
| 08/29/1990 | EP0384554A1 Segmental tubular connectors |
| 08/29/1990 | CN1009386B Thin-wall pipe union and bind structure with pipeline |
| 08/28/1990 | US4951974 Remote-controllable screw connection |
| 08/28/1990 | US4951973 Joint connection for annular flanges |
| 08/23/1990 | DE3904536A1 Frame for an air duct |
| 08/21/1990 | US4950002 Screw seal |
| 08/21/1990 | US4950000 Flanged pipeline connections |
| 08/21/1990 | CA2007370A1 Segmental tubular connectors |
| 08/14/1990 | US4948153 Metal gasket |
| 08/01/1990 | EP0268621B1 Flanged section for connecting air duct elements |
| 07/26/1990 | DE3901394A1 Butt joint between two flat-oval ventilating-pipe lengths made of sheet metal |
| 07/25/1990 | EP0379002A1 Butt joint between two flat-oval sheet metal tube sections |
| 07/19/1990 | CA2007868A1 Method and apparatus for connecting the ends of a pair of oval duct sections |
| 07/10/1990 | US4940264 Flange connection |
| 07/10/1990 | US4940261 Pipe couplings |