| Patents for F28F 11 - Arrangements for sealing leaky tubes or conduits (1,051) |
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| 11/25/1986 | US4624866 Brazing sleeve having ceramic flux band and method for applying same |
| 11/25/1986 | CA1214455A1 Leak detecting matrix for heat exchangers |
| 11/18/1986 | CA1214033A1 Method of repairing leaks in steam generator tubes |
| 10/07/1986 | US4615477 Method for replacing tubes in a header or drum |
| 10/01/1986 | EP0195978A1 Plug for sealing faulty heat-exchanger tubes |
| 09/24/1986 | EP0195454A2 Working robot used for the water chamber of the heat exchanger |
| 09/17/1986 | EP0194467A2 Device for inserting a sleeve in a tube of a steam boiler |
| 09/16/1986 | US4611485 High pressure pipe stopper |
| 08/19/1986 | US4606491 Process for sealing a leak in a rolled tube/tubeplate joint |
| 08/05/1986 | US4604512 Heat exchanger tube repair |
| 07/22/1986 | CA1208047A1 Explosive welding device |
| 07/08/1986 | US4598738 Tube closing device, especially for heat-exchanger tubes |
| 07/02/1986 | EP0186013A2 Method of applying a ceramic flux band onto a brazing sleeve |
| 06/03/1986 | US4592577 Sleeve type repair of degraded nuclear steam generator tubes |
| 05/14/1986 | EP0181250A1 Method for repairing a steam generator tube by sleeving, and repairing sleeve for this tube |
| 05/13/1986 | US4587904 Debris free plug assembly for heat exchange tubes |
| 05/06/1986 | US4586250 Apparatus for sleeving tubes in hostile environments |
| 04/22/1986 | US4583672 Explosive welding device |
| 04/15/1986 | US4581801 Sleeving method |
| 04/08/1986 | US4580426 For expanding a conduit against a surrounding structure |
| 03/04/1986 | US4573248 Method and means for in situ repair of heat exchanger tubes in nuclear installations or the like |
| 02/04/1986 | US4567632 Heat exchange tube repairs |
| 01/28/1986 | EP0119996A4 Method of repairing leaks in steam generator tubes. |
| 12/17/1985 | US4559436 Heat exchanger tube repair |
| 12/10/1985 | CA1197902A1 Apparatus for inspecting heat exchanger tubes |
| 12/03/1985 | US4555833 Mechanical plug drill |
| 11/21/1985 | EP0161815A1 Method for replacing tubes in a header or drum |
| 11/21/1985 | EP0161780A1 Pipe repair sleeve apparatus and method of repairing a damaged pipe |
| 10/24/1985 | WO1985004701A1 Pipe repair sleeve apparatus and method of repairing a damaged pipe |
| 10/22/1985 | US4547944 Tube-in-shell heat exchangers |
| 10/22/1985 | CA1195685A1 Heat exchangers and methods of construction thereof |
| 10/16/1985 | EP0158544A1 Process for replacing a sleeve inside a pipe, and devices for carrying out this process |
| 09/18/1985 | EP0154833A2 Mechanical plug drill |
| 09/04/1985 | EP0153670A2 Apparatus and Method for expanding a conduit |
| 09/04/1985 | EP0153563A2 Mechanical tube plug removal tool |
| 09/03/1985 | US4538674 Heat exchanger having tubular members concentric with fluid carrying tubes to prevent mixing of the heat exchange fluids and method of construction thereof |
| 08/28/1985 | EP0152778A2 Sleeving of tubes of steam generator in hostile environment |
| 08/20/1985 | US4535727 Heat exchanger with adjustable platform for cleaning and repairing |
| 07/17/1985 | EP0148699A1 Device to detect and locate a leak in tubes of a steam generator tube bundle |
| 05/29/1985 | EP0142985A2 Method for providing a tubular insert within an aperture |
| 05/21/1985 | US4518635 Process for sealing at least one end of a cellular module |
| 05/08/1985 | EP0140586A2 Sleeving of tubes in hostile environments |
| 05/02/1985 | EP0139494A2 Sleeving of tubes of steam generator |
| 04/30/1985 | US4513786 Mechanical tube plub |
| 04/24/1985 | EP0137984A2 Tube repair insert for steam generator |
| 03/19/1985 | US4505323 Apparatus for inspecting heat exchanger tubes |
| 03/05/1985 | US4502511 Tube plug |
| 02/13/1985 | EP0132950A1 Heat exchange tube repairs |
| 01/23/1985 | EP0131792A1 Remotely operable plug insertion tool or heat exchanger pipes |
| 01/16/1985 | EP0131466A2 Radially expanding tubular members |
| 01/16/1985 | EP0131099A2 Gas heat exchanger, in particular a synthesis gas cooler |
| 12/19/1984 | EP0128644A2 Heat exchanger tube repair |
| 12/04/1984 | US4485847 Compression sleeve tube repair |
| 11/23/1984 | EP0113344A4 Heat exchangers and methods of construction thereof. |
| 10/24/1984 | EP0122610A1 Mechanical tube plug |
| 10/10/1984 | EP0121137A1 Seal welded tube sleeve |
| 10/03/1984 | EP0120277A1 Compression sleeve for a tube repair |
| 10/03/1984 | EP0119996A1 Method of repairing leaks in steam generator tubes. |
| 09/04/1984 | US4469051 Emergency shut-off device, in case of leakage of a steam generator tube |
| 08/21/1984 | US4466481 Leak detecting matrix for heat exchanges |
| 07/18/1984 | EP0113344A1 Heat exchangers and methods of construction thereof. |
| 07/17/1984 | US4459917 Method and apparatus for producing even tube extensions in a partially assembled heat exchanger |
| 07/11/1984 | EP0113080A1 Tube plug |
| 07/04/1984 | EP0112612A2 Repairing degraded tubes of steam generators |
| 03/29/1984 | WO1984001119A1 Method of repairing leaks in steam generator tubes |
| 03/29/1984 | WO1984001118A1 Explosive welding device |
| 03/13/1984 | US4436117 Leak resistant plug assembly |
| 03/07/1984 | EP0102188A2 Explosively activated assembly for repairing heat exchange tubes |
| 02/21/1984 | CA1162389A1 Plug removal apparatus |
| 02/02/1984 | WO1984000415A1 Heat exchangers and methods of construction thereof |
| 01/17/1984 | US4425944 Repair plug for heat exchanger tubes, especially for steam generators of pressurized-weather nuclear power plants |
| 01/17/1984 | US4425943 Plug assembly for use in method and apparatus for repairing heat exchangers |
| 01/11/1984 | EP0098217A2 Method of selectively closing the ends of a honeycomb element, and element obtained by this method |
| 11/01/1983 | US4412453 Method for detecting brazing defects in plate-fin type heat exchangers |
| 10/12/1983 | EP0091374A1 Emergency cut-off device for a steam generator tube in case of leakage |
| 10/12/1983 | EP0091004A1 Tube plugging apparatus, especially for heat exchanger tubes |
| 09/27/1983 | CA1154388A1 Plug installation apparatus |
| 07/19/1983 | US4393920 Manipulator for working in a heat exchanger |
| 07/19/1983 | US4393564 Method and apparatus for repairing heat exchangers |
| 06/28/1983 | US4390042 Tube plug |
| 05/31/1983 | US4385501 Hot gas cooler |
| 05/10/1983 | CA1146161A1 Tube plug |
| 04/05/1983 | CA1143934A1 Inspection system for heat exchanger tubes |
| 02/23/1983 | EP0072736A1 Heat exchanger with double barrier |
| 01/25/1983 | US4369662 Plug installation apparatus |
| 01/18/1983 | US4368571 Sleeving method |
| 01/04/1983 | US4366617 Plug removal apparatus |
| 10/12/1982 | CA1133461A1 Drive assembly for probe carrier |
| 10/05/1982 | US4352379 Pressure vessel tube sealing and support method |
| 09/07/1982 | US4347790 Explosive plug for blocking tubes |
| 09/01/1982 | EP0058850A1 Plug installation apparatus |
| 08/24/1982 | CA1130222A1 Device for stopping a leak in a straight portion of a heat-exchanger tube |
| 03/31/1982 | EP0048325A2 Hot-gas cooler with a pressure container |
| 03/17/1982 | EP0047410A1 Braze sleeving method |
| 03/17/1982 | EP0047407A1 Sleeving method |
| 02/03/1982 | EP0044982A2 Tube plug |
| 01/19/1982 | CA1116380A1 Support plug |
| 01/12/1982 | US4310165 Elastomeric packing for a clamped connection |
| 01/12/1982 | US4310029 Expandable tube plug |
| 09/22/1981 | US4290543 Support plug |