| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 03/08/1983 | CA1142410A1 Connector member for sealed conduits utilizing crystalline plastic barrier membrane |
| 02/22/1983 | CA1141611A1 Nozzle plug for submersible vessel |
| 02/22/1983 | CA1141602A1 Process for internally lining a conduit |
| 02/17/1983 | WO1983000580A1 Method and apparatus for low frequency active attenuation |
| 02/16/1983 | EP0072239A1 A method of and apparatus for repairing a leak in a pipe or pipeline |
| 02/16/1983 | EP0071607A1 Method for repairing and/or reinforcing a pipe system, and a device for utilization of the method |
| 02/15/1983 | US4373872 Noise damping device |
| 02/08/1983 | US4372652 Laminated gage glass assembly |
| 02/08/1983 | US4372378 Shut-in device for stopping the flow of high pressure fluids |
| 02/01/1983 | US4371569 Method for reinforcing and repairing piping |
| 02/01/1983 | US4370862 Apparatus and method for freezing a slug of liquid in a section of a large diameter fluid transmission line |
| 01/26/1983 | EP0006955B1 Packless silencer |
| 01/25/1983 | US4370364 Inflating bladder, plastic, hermetic sealing, plugging, suction, deformation |
| 01/25/1983 | US4370113 Apparatus for repairing leaks in underground pipe |
| 01/25/1983 | US4369813 Pipe stopper method and apparatus |
| 01/19/1983 | EP0069866A1 Closure device for bore holes |
| 01/19/1983 | EP0069740A1 Hazardous materials control |
| 01/18/1983 | US4368571 Sleeving method |
| 01/18/1983 | CA1139640A1 Pressure pulse dampening device |
| 01/18/1983 | CA1139542A1 Sealing leaks by polymerization of volatilized aminosilane monomers |
| 01/11/1983 | US4368091 Method for providing the inner surface of a pipe with a flexible tubular lining material through a liquid resin under pressure |
| 01/11/1983 | US4367593 Pattern drafting tool |
| 01/05/1983 | EP0068657A1 Method of mains insertion |
| 12/28/1982 | US4366012 Impregnation process |
| 12/28/1982 | US4365649 Sewer pipe plug |
| 12/28/1982 | US4365393 Single and multiple section pipe repair clamps |
| 12/28/1982 | CA1138167A1 Method and apparatus for splicing hose |
| 12/23/1982 | WO1982004472A1 Tube to be fed into a pipelike cavity |
| 12/23/1982 | WO1982004470A1 Eccentrically nested tube gas line silencer |
| 12/21/1982 | CA1137877A1 Packless silencer |
| 12/07/1982 | US4362223 Sound absorbing device |
| 12/01/1982 | EP0065886A1 Method of lining a passageway and tube for carrying it out |
| 11/30/1982 | US4361451 Process for everting a lining into a conduit utilizing two injection fluids |
| 11/30/1982 | US4361446 Sphere launching method |
| 11/30/1982 | US4361165 Breakaway pipe coupling with automatically closed valves |
| 11/30/1982 | CA1136517A1 Pressure vessel |
| 11/25/1982 | WO1982004086A1 Pipe connecting method |
| 11/23/1982 | US4360290 Internal pipeline plug for deep subsea pipe-to-pipe pull-in connection operations |
| 11/23/1982 | US4360037 Self-cleaning filter assembly for solenoid-actuated valve |
| 11/23/1982 | US4360036 Thermostatic self-powered drain valve |
| 11/23/1982 | US4359797 Plug and ball injector valve |
| 11/17/1982 | EP0064653A1 Device for closing gas conduits |
| 11/16/1982 | CA1135748A1 Dual-seal rotary fluid coupling |
| 11/10/1982 | EP0064150A1 Pipe repair clamp |
| 11/09/1982 | US4358417 Injection and hardening of a fluid |
| 11/09/1982 | US4357961 Pipeline repair kit |
| 11/09/1982 | US4357960 Plumbing method and composition for use in same |
| 11/03/1982 | EP0063948A1 Plug and ball injector valve |
| 11/03/1982 | EP0063919A1 Improvements in or relating to pipework |
| 11/03/1982 | EP0063596A1 Device for temporarily sealing a pipe. |
| 11/02/1982 | US4356833 Temperature controlled valve mechanism and method |
| 10/28/1982 | WO1982003648A1 Branch take-off and silencer for an air distribution system |
| 10/26/1982 | US4356222 Fusion-bondable sheet |
| 10/26/1982 | US4355656 Pipeline plug and bypass |
| 10/26/1982 | US4355652 Purging device |
| 10/19/1982 | CA1133791A1 Pressure-pulse-dampine-device |
| 10/12/1982 | US4353580 Apparatus for removably attaching a pipe |
| 10/12/1982 | US4353286 Hydraulic control system with a pipeline antiburst safety device for a double acting drive cylinder |
| 10/12/1982 | CA1133356A1 Flow restrictor for flexible tubing |
| 10/05/1982 | US4352573 Homogenizing method |
| 10/05/1982 | CA1133028A1 Fire hydrant nozzle assembly |
| 09/30/1982 | WO1982003248A1 Sound attenuator |
| 09/28/1982 | US4351446 High-security fill cap for underground storage tanks |
| 09/28/1982 | US4351355 Drain valve |
| 09/28/1982 | US4351352 Frangible connectors with independently selectable bending and tension separation loads |
| 09/28/1982 | US4351351 Breakaway pipe coupling with automatically closed valves |
| 09/28/1982 | US4351349 Pipe repair kit apparatus and method |
| 09/28/1982 | US4351079 Sphere launching and receiving valve |
| 09/22/1982 | EP0060715A1 Pipe sealing apparatus and jack |
| 09/21/1982 | US4350183 Heat-recoverable pipeline termination plug |
| 09/14/1982 | US4349047 Flow plug |
| 09/14/1982 | CA1131526A1 Injection site and method of assembling |
| 09/08/1982 | EP0059661A1 Device for regulating the flow of a fluid |
| 09/07/1982 | US4347865 Fabricated gate valves |
| 09/07/1982 | US4347790 Explosive plug for blocking tubes |
| 08/31/1982 | US4347018 Lining or relining of tunnels |
| 08/31/1982 | US4346922 Device for preventing leakage at pipe joints |
| 08/31/1982 | US4346781 Lined-duct acoustic filter |
| 08/31/1982 | CA1130698A1 Pressure pulse dampener device |
| 08/24/1982 | US4345624 Blow-out guard for high-pressure hoses |
| 08/24/1982 | CA1130222A1 Device for stopping a leak in a straight portion of a heat-exchanger tube |
| 08/17/1982 | US4344460 Apparatus for plugging a pressure piping system |
| 08/10/1982 | US4343332 Line blind |
| 08/10/1982 | CA1129308A1 Pipeline surge relief system |
| 08/05/1982 | WO1982002582A1 Safety shield for flanged pipe couplings |
| 08/04/1982 | EP0057134A1 Elastic locking device for pipes |
| 08/03/1982 | US4342519 Connector for an end of an underwater pipe |
| 08/03/1982 | US4342338 Boot for sealing ruptured gas or water mains and tool for application |
| 08/03/1982 | US4342336 Double-acting inflatable seal |
| 07/27/1982 | US4341235 Device for connecting a pressure fluid source to a fluid motor |
| 07/20/1982 | US4340234 Flow regulating valve and fluid feeding apparatus using same |
| 07/13/1982 | US4338707 Clamp |
| 07/06/1982 | CA1126985A1 Fabricated orifice fitting mechanism for pipelines |
| 07/06/1982 | CA1126907A1 Pipeline gel plug |
| 06/29/1982 | US4336904 Delivery stabilizer for ventilation shaft |
| 06/29/1982 | US4336890 Cap or closure for tubes and bottles |
| 06/29/1982 | US4336863 Silencer in gas flow passage |
| 06/23/1982 | EP0054383A1 Flare having noise attenuation |
| 06/22/1982 | US4335757 Temporary pipeline capping unit and method of using same |
| 06/22/1982 | US4335756 Sterilized medical tubing cover |