| Patents for F16L 51 - Expansion-compensation arrangements for pipe-lines (2,692) |
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| 08/12/1992 | CN1063540A Expansion joint |
| 08/12/1992 | CN1063539A Corrugated expansion joint |
| 07/28/1992 | US5133579 Extendible-contractible, flexible, helical conduit and coupling assembly |
| 07/22/1992 | CN2110766U Yoke type expansion pipe joint |
| 06/16/1992 | US5121948 Dryer duct and vent assembly including a flexible duct portions |
| 06/04/1992 | DE4121406C1 Pipeline compensator for axial, angular, and lateral motion - has third bellows inserted in intermediate pipe, supported against lateral and angular motion |
| 05/26/1992 | US5116085 Sealed expansion joint |
| 04/29/1992 | CN1060703A Fluon-rubber compound compensator and made method |
| 04/15/1992 | CN2101812U Mixed type flexibility telescopic joint |
| 04/08/1992 | CN2101163U Wave shape pipe line compensator |
| 04/01/1992 | CN2100546U Sealant injecting ball compensator |
| 03/26/1992 | DE4100603C1 Expansion comensator in power station - consists of pipe sections connected by external bellows and fitted with internal baffles |
| 03/05/1992 | DE4118167C1 Producing overlap seam in compensation unit for high temps. - by placing thermoplastic between layers, stitching layers together with heat resistant thread, and covering with fluoro-plastic layer |
| 03/04/1992 | CN2097942U Support directional device of corrugated expansion joint |
| 01/28/1992 | US5083817 Apparatus for the decoupling of two pipe parts with wire mesh cushions |
| 01/28/1992 | CA1294996C Universal expansion joint |
| 01/17/1992 | WO1992001887A1 Flexible coupling device for exhaust systems |
| 01/17/1992 | CA2063798A1 Flexible coupling device for exhaust systems |
| 11/27/1991 | EP0458011A1 Pipe component, especially for the exhaust conduit of internal combustion engines |
| 10/09/1991 | CN2086356U Corrugated expanding joint |
| 09/19/1991 | WO1991014126A1 Flexible pipeline element with thermal insulation |
| 09/18/1991 | CN2085020U Expansion joint |
| 09/12/1991 | DE4106877A1 Flexible, gas-tight pipeline coupler |
| 09/11/1991 | EP0445352A1 Flexible pipe component with heat insulation |
| 09/04/1991 | EP0444420A1 Hydraulic pressure device |
| 08/28/1991 | CN2083677U Pipe line compensating device |
| 08/27/1991 | US5042452 Radiating tubes system for heating ovens |
| 08/14/1991 | CN2082800U Compensator for pipeline |
| 07/24/1991 | CN2081469U Fluon-rubber compound compensator |
| 07/24/1991 | CN1053287A Pipe thrustless compensator |
| 06/18/1991 | US5024211 Heat exchange medium connector for movable solar heaters |
| 06/13/1991 | DE4002984C1 Mfg. soft material compensators - by heating until plastification occurs, stretching and cooling |
| 04/30/1991 | US5011194 Flexible pipe connecting device for high temperature fluid |
| 04/04/1991 | DE3931519A1 Concertina-shaped piece of separate refined steel parts - consists of series of plate-spring shaped discs, and is in form of column with connections |
| 02/19/1991 | US4993887 Compensator for solids conveyed in a stream of gas |
| 11/14/1990 | EP0396905A1 Coupling sleeve for manifold pipe connections and corresponding manifold pipe |
| 10/10/1990 | EP0391026A2 Device for decoupling two pipe parts |
| 10/10/1990 | CN2063602U Flexible expansible joint |
| 08/29/1990 | EP0300174B1 Flexible tube with parallel, annular corrugations and axial support |
| 08/22/1990 | EP0383687A1 Radiant tube system for heating furnaces |
| 07/19/1990 | DE3901209A1 Web produced in flat form for compensators |
| 07/18/1990 | CN2059476U Spherical compensator of pipe line |
| 07/11/1990 | EP0377140A1 Connecting arrangement for the heat carriers of solar plants |
| 07/04/1990 | EP0376839A1 Expansion compensator mounted between two pipes |
| 06/21/1990 | DE3933766C1 Compensating device for pipe-line or wind-tunnel - has tubular shape with joint flange at each end |
| 05/09/1990 | EP0210271B1 Flexible corrugated hose with ring-shaped parallel waves with axial support |
| 03/27/1990 | US4911206 Supported flexible thin-walled tube structure |
| 03/22/1990 | DE3826848A1 Connection of tie rods to flanges and articulation or pipe articulation pieces |
| 02/28/1990 | CN1040088A Tube useful for transporting fluids capable of varying its volume and in particular its length |
| 02/08/1990 | DE3820922A1 Fabric-reinforced elastomer compensator |
| 02/07/1990 | EP0354089A1 Tube for transporting fluids susceptible to change its volume and especially its length, with structure on which it is fitted |
| 02/01/1990 | DE3923344A1 Pipe connection with elastomer compensating body - includes steel bead holder ring fitting into recess |
| 01/31/1990 | CN2052098U Flexible connector for metal pipe-line |
| 01/11/1990 | DE3821901A1 Connection of tie rods to flanges of articulation or pipe-articulation pieces |
| 12/13/1989 | CN2049303U 管道补偿器 Pipeline compensator |
| 11/23/1989 | EP0342342A1 Device for elastic joining |
| 10/26/1989 | DE3820325C1 Compensator for compensating for the changes in length of plastic pipes, in particular of glass-fibre-reinforced-plastic pipes |
| 09/07/1989 | DE3839678C1 Compensator with round or polygonal cross-section |
| 08/24/1989 | DE3804511A1 Compensator, in particular flue-gas compensator |
| 08/09/1989 | CN2042558U Waveform telescopic pipe made of steel and rubber |
| 07/18/1989 | US4848408 Multi-layer compensator with spacers arranged between the layers |
| 06/08/1989 | DE3740583A1 Bellows and process for producing bellows |
| 04/12/1989 | CN2035836U Composite steel-plastic pipe with telescopic joint |
| 04/05/1989 | EP0310197A1 A method of laying district heating pipe lengths in the ground and a pipe element for use herewith |
| 01/25/1989 | EP0300174A1 Flexible tube with parallel, annular corrugations and axial support |
| 01/18/1989 | CN2031056U Expanding section |
| 01/05/1989 | DE3721128A1 Tubular article |
| 12/21/1988 | CN88205254U Pipe line compensator |
| 12/20/1988 | US4791963 Flexible tube with mutually parallel, ring-shaped flutes and axial support |
| 11/03/1988 | DE3810996A1 Web produced in a flat form for round compensators |
| 09/21/1988 | CN88200762U Compensator without force transmission |
| 09/15/1988 | DE3716166C1 Method of producing a compensator bellows (expansion joint) |
| 08/25/1988 | DE3704730A1 Pipe support for district-heating lines running in protective pipes |
| 08/23/1988 | US4765660 Elastic pipe connector |
| 08/03/1988 | CN87210514U Bidirectional extension device for pipe lines |
| 07/13/1988 | EP0274144A1 Flexibilized silencer |
| 07/07/1988 | DE3643062A1 Compensator bellows and method for its manufacture |
| 06/01/1988 | DE3640123A1 Angular elastomer compensator |
| 05/18/1988 | CN87210530U Pipe compensator with ladder shape graphite sealing ring |
| 03/22/1988 | US4732413 For use in interconnecting two fluid media containing members |
| 01/13/1988 | EP0252369A2 Laterally and/or angularly compensating element made of metal for pipe systems under pressure |
| 01/05/1988 | US4717181 Elastic pipe connector |
| 12/03/1987 | DE3641739C1 Method to produce a compensator bellows |
| 10/08/1987 | DE3611208A1 Line compensator |
| 08/20/1987 | DE3603498A1 Fastener |
| 08/18/1987 | US4687639 Apparatus for accommodating temperature and pressure variations in tubular conduits |
| 05/26/1987 | US4668303 Method of preventing stress corrosion in a bellows expansion joint |
| 04/02/1987 | DE3604803C1 Compensator with at least four corners, in which inversion of the compensator bellows is avoided |
| 03/11/1987 | EP0213359A1 Compensator |
| 02/04/1987 | EP0210271A1 Flexible corrugated hose with ring-shaped parallel waves with axial support. |
| 01/29/1987 | DE3526952A1 Welded joint between a metal concertina and a metal pipe |
| 01/13/1987 | US4635533 Method and apparatus for accommodating temperature and pressure variations in tubular conduits |
| 09/16/1986 | US4611827 Compensator for the compensation of axial movements of pipe conduits |
| 09/03/1986 | EP0192785A1 Process for industrially making prestressed and pre-insulated sleeves for pipes |
| 08/14/1986 | WO1986004660A1 Flexible hose with ring-shaped parallel waves with axial support |
| 08/13/1986 | CN85100677A Twin omega type thermally-insulated expansion section |
| 05/20/1986 | US4589666 Slip joint assembly for a split ring seal |
| 04/16/1986 | EP0177831A2 Once only compensator for long distance heating conduits |
| 03/18/1986 | US4576404 For use in a high temperature gas vertically oriented conduit |
| 03/05/1986 | CN85201754U Spherical compensator with a large diameter and a large bending angle |