| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 10/16/1979 | US4171209 Apparatus for removing condensate from steam lines, and the like |
| 10/16/1979 | US4171142 Leak repair clamp |
| 10/16/1979 | US4170902 Pipeline inspection vehicles |
| 10/09/1979 | US4170248 Method for repairing sewer pipes |
| 10/09/1979 | US4170247 Polyfluorocarbon condenser plug |
| 09/25/1979 | CA1063043A1 Method for replacing an expansion joint in the shell of a shell and tube heat exchanger |
| 09/18/1979 | US4168413 Piston detector switch |
| 09/18/1979 | CA1062747A1 Accumulator for use in a hydraulic system |
| 09/18/1979 | CA1062634A1 Method for repairing sewer pipes |
| 09/18/1979 | CA1062444A1 Fluid distributor |
| 09/04/1979 | US4166479 Blind liner for service pipes |
| 09/04/1979 | US4166478 Accumulator having a bladder to be filled with liquid |
| 09/04/1979 | US4166475 Safety coupling |
| 08/28/1979 | CA1061149A1 Damping device for a flow of liquid |
| 08/22/1979 | EP0003700A1 Desurging tank with automatic air control |
| 08/21/1979 | US4165080 Packing sealer plug |
| 08/21/1979 | US4164954 Fluid pressure control mechanism |
| 08/08/1979 | EP0003384A1 A dredgings transport conduit |
| 08/07/1979 | US4163462 Test plug |
| 08/07/1979 | US4163461 High frequency pulse dampener |
| 08/07/1979 | CA1059877A1 Self-actuating fluid holding system |
| 07/17/1979 | US4161192 Transfer line exchanger inlet cone |
| 07/12/1979 | WO1979000395A1 System for preventing gas decomposition in pipelines |
| 07/11/1979 | EP0002935A2 Differential pressure relief valve |
| 07/10/1979 | US4160465 Emergency water leak plug |
| 06/27/1979 | EP0002614A1 Apparatus and method for reaction boundary suppressor systems |
| 06/26/1979 | CA1057161A1 Flow regulator |
| 06/19/1979 | US4158370 Explosive activated plug |
| 05/31/1979 | WO1979000286A1 Packless silencer |
| 05/30/1979 | EP0002029A1 Drain valve for installations supplying compressed air |
| 05/22/1979 | US4155957 Crosslinking olefin-maleic anhydride copolymer with an ethylene-vinyl acetate copolymer |
| 05/22/1979 | CA1054958A1 Corrugated flexible metal tubing and method and apparatus for making same |
| 05/15/1979 | US4154465 Fitting for smooth wall tubes |
| 05/15/1979 | US4154265 Fluid system noise suppressor |
| 05/15/1979 | US4154264 Hydraulic shock suppressor |
| 05/15/1979 | US4154263 Control valve |
| 05/15/1979 | CA1054659A1 Device for the de-airing of a liquid system, preferably a system for hydraulic brakes |
| 05/08/1979 | US4153067 Method and apparatus for providing removable Service to connections to a high pressure main |
| 04/24/1979 | US4150732 Resonant cavity devices for reducing noise within a duct in the presence of a gaseous fluid |
| 04/24/1979 | US4150696 Arrangement for suppressing vibrations caused by the flow of a flowable medium |
| 04/24/1979 | US4150693 Adjustable loss-of-head valve |
| 04/19/1979 | WO1979000212A1 Valve with a helical spring as valvemember |
| 04/17/1979 | US4149974 Strainer apparatus mounted within a tube |
| 04/03/1979 | US4147185 Flexible tubular device |
| 04/03/1979 | US4147093 Self-actuating fluid holding system |
| 03/27/1979 | US4146052 Damping device for a flow of liquid |
| 03/27/1979 | CA1051351A1 Cellular sound absorptive structure |
| 03/27/1979 | CA1051343A1 Seal assemblies for water-well casings |
| 03/20/1979 | US4145158 Diaphragm closure support system |
| 03/20/1979 | US4144909 Apparatus for closing side openings into pipelines |
| 03/20/1979 | US4144908 Pipe plugging device and method |
| 03/20/1979 | CA1051055A1 Frangible hose fitting |
| 03/13/1979 | US4144125 Rupture protection device for hollow cylindrical members such as pipes, and particularly for pipes of nuclear reactors carrying primary coolant |
| 03/13/1979 | US4143678 Bladder type accumulator housing a gas bombe in its gas chamber |
| 03/13/1979 | US4143671 Collapsible thermoplastic sleeve |
| 03/13/1979 | US4143670 Collapsible thermoplastic liner |
| 03/06/1979 | CA1049896A1 Pressure pulse dampener device |
| 02/27/1979 | US4141528 Sound dampening fastening element |
| 02/27/1979 | CA1049480A1 Hose coupling retainer assembly |
| 02/20/1979 | US4140240 Closure for pipes or pressure vessels |
| 02/20/1979 | US4140041 Explosive-forming device for the obturation of a pipe by compression |
| 02/20/1979 | CA1048899A1 Pressure dampener device |
| 02/13/1979 | US4138846 Accumulator for hydraulic control system |
| 02/07/1979 | EP0000576A1 Method of lining a passageway |
| 02/06/1979 | US4137948 Intermediate conduit between two pivotally connected conduits |
| 01/30/1979 | US4136710 Floating seat structure for gate valves |
| 01/30/1979 | CA1047365A1 Water hammer shock absorber |
| 01/23/1979 | US4135949 Safety interlock for pipeline pig launcher and receiver |
| 01/23/1979 | CA1047065A1 Separable connection for conduit segments conveying fluid under pressure |
| 01/23/1979 | CA1046960A1 Method of repairing leaks in pipelines carrying fluent medium and means for use in the method |
| 01/23/1979 | CA1046805A1 Low pressure shutoff valve for fluid operated tool |
| 01/23/1979 | CA1046723A1 Method for making pipe end plugs |
| 01/10/1979 | EP0000187A1 Method for the reduction of noise during the throttling of vapour and gas flow |
| 01/09/1979 | US4133351 Method and apparatus for sealing a pipeline leak |
| 01/09/1979 | US4133347 Waste evacuation attachment for recreational vehicles |
| 01/09/1979 | CA1045993A1 Tube plugging |
| 01/02/1979 | US4132511 Damper for high pressure pumping system |
| 01/02/1979 | US4132159 Noiseless air flow device and method |
| 01/02/1979 | CA1045564A1 Air line filter/separator with magnetically controlled fluid valve |
| 12/26/1978 | US4131018 Elbow or bent tube manipulator, especially for ultrasonic testing in nuclear reactor installation |
| 12/26/1978 | CA1045060A1 Method and apparatus for injecting foam into a pipeline, including an inflatable plug |
| 12/26/1978 | CA1045042A1 Vibration barrier/structural connector for conduits and the like |
| 12/26/1978 | CA1044994A1 Large port pressure accumulator |
| 12/26/1978 | CA1044985A1 High energy loss device |
| 12/19/1978 | US4130304 Well head seal assembly |
| 12/19/1978 | CA1044621A1 Adjustable cleanout plumbing fitting |
| 12/12/1978 | US4129411 Fluid distributor |
| 12/12/1978 | US4128930 Plumbing tool with external shackle |
| 12/05/1978 | US4128107 Surface irrigation gate |
| 12/05/1978 | CA1043659A1 Repairable pressure vessel |
| 12/05/1978 | CA1043658A1 Suction stabilizer for reciprocating pumps and stabilizing method |
| 12/05/1978 | CA1043543A1 Means for inhibiting the adherence of particulate matter in a confined line and method therefor |
| 11/28/1978 | US4127183 Silencer device |
| 11/28/1978 | US4127146 High energy loss device |
| 11/28/1978 | US4127141 Method and apparatus for stopping fluid escape from pipe mains |
| 11/28/1978 | CA1043229A1 Pressure accumulator |
| 11/21/1978 | CA1042809A1 Free flow sound attenuating device and method of using |
| 11/14/1978 | CA1042163A1 Internal lining and sealing of hollow ducts |
| 11/07/1978 | CA1041980A1 Expansible tube valve |
| 10/31/1978 | US4122592 Test plug assembly and method for pressure testing the inlet connection for liquid jet floor outlet fittings |