| Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887) |
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| 10/05/1983 | EP0090384A1 Agent, method and device for internal pipe sealing |
| 10/04/1983 | US4407330 Pressure pulse absorbing device |
| 09/28/1983 | EP0089738A2 Pipeline gauging vehicle |
| 09/27/1983 | US4406481 Sealing clamps |
| 09/27/1983 | CA1154498A1 Electromagnetic transportation of fine particles |
| 09/27/1983 | CA1154389A1 Conductor pipe plug |
| 09/20/1983 | US4405161 Wellhead security apparatus |
| 09/20/1983 | US4404992 Composite dual tubing |
| 09/15/1983 | WO1983003131A1 A method of restoring or making a conveyor channel and a lining hose for carrying out the method |
| 09/14/1983 | EP0088739A1 In line integral shock eliminator |
| 09/14/1983 | EP0088616A2 A regulator-unloader for fluid systems |
| 09/13/1983 | US4403794 Safety shield for flanged pipe couplings |
| 09/07/1983 | EP0087867A1 Cup type pipeline inflation anchor |
| 09/06/1983 | US4402531 Fire hydrant nozzle assembly |
| 09/06/1983 | US4402485 Eccentrically nested tube gas line silencer |
| 08/30/1983 | US4401696 Lining of pipelines and passageways |
| 08/30/1983 | US4401145 Ambient temperature application of indicia to elastomer substrates |
| 08/24/1983 | EP0086674A1 Underwater pipeline sealing apparatus |
| 08/24/1983 | EP0086567A1 Pipe replacement |
| 08/23/1983 | US4400187 Device for preventing circulation of liquid water entrained in compressed air |
| 08/23/1983 | CA1152675A1 Method for cross linking polymers, polymer compositions and uses thereof |
| 08/18/1983 | WO1983002748A1 The lining of pipelines or passageways |
| 08/17/1983 | EP0085691A1 Method and apparatus for low frequency active attenuation. |
| 08/16/1983 | US4398565 Pipe plugging apparatus |
| 08/16/1983 | CA1151971A1 Apparatus for supporting structure between bolted flanges |
| 08/16/1983 | CA1151893A1 Device for detecting rate of change in pressure |
| 08/10/1983 | EP0085504A2 Pipeline vehicle |
| 08/09/1983 | US4397890 With sealing composition using running bodies |
| 08/09/1983 | US4397350 Flow guiding in tube bundle heat exchangers |
| 08/04/1983 | WO1983002655A1 Pipe clamp |
| 08/04/1983 | WO1983002647A1 Circuitous path flow restrictor and method |
| 08/04/1983 | WO1983002574A1 Method and apparatus for lining of pipes |
| 08/02/1983 | US4396031 Method for restricting uncontrolled fluid flow through a pipe |
| 08/01/1983 | EP0074954A4 Sound attenuator. |
| 07/27/1983 | EP0084427A1 Cutting method and equipment |
| 07/26/1983 | US4395746 Method and device for magnetically transporting |
| 07/26/1983 | US4394895 Facilities for the examination of radioactive bodies |
| 07/26/1983 | CA1150649A1 Device for sealing a hole in a metal wall |
| 07/26/1983 | CA1150466A1 Heat-shrinkable article |
| 07/21/1983 | WO1983002490A1 Method and apparatus for grouting between pipes |
| 07/20/1983 | EP0025033B1 Hydraulic noise attenuator |
| 07/19/1983 | US4394202 Method for relining an underground gas line or the like without excavation |
| 07/19/1983 | US4393900 Insert plug |
| 07/19/1983 | US4393805 Pipeline pig for lining pipe lines |
| 07/19/1983 | US4393564 Method and apparatus for repairing heat exchangers |
| 07/12/1983 | US4392513 Quick disconnect safety coupling |
| 07/07/1983 | WO1983002302A1 Method and device for reducing the noise of combustion engines |
| 07/06/1983 | EP0082895A1 Pipeline pig and its use |
| 07/05/1983 | US4391300 Pipe patching clamp |
| 06/29/1983 | EP0082792A1 Clamping device for sealing leaks in a flanged pipe joint |
| 06/29/1983 | EP0082223A1 Lining underground conduits |
| 06/29/1983 | EP0082212A1 Method for sealing pipes |
| 06/28/1983 | US4390043 Internal pipeline plug for deep subsea operations |
| 06/28/1983 | US4390042 Tube plug |
| 06/28/1983 | CA1148836A1 Pressure dissipation apparatus |
| 06/23/1983 | WO1983002144A1 Sealing joints in pipes large enough in diameter for entry of personnel |
| 06/22/1983 | EP0020479B1 Branch take-off and silencer for an air distribution system |
| 06/21/1983 | US4388944 Device for capturing air bubbles from fluids in piping |
| 06/14/1983 | US4387740 Cam-flange |
| 06/14/1983 | CA1147939A1 Hydrostatic pipe splicing method and apparatus |
| 06/08/1983 | EP0080918A1 Obturator device for fluid tubes |
| 06/08/1983 | EP0080654A1 Spray protection ring for pipe flanges |
| 06/07/1983 | US4386796 Pipe repair coupling |
| 06/07/1983 | US4386628 Maintenance lining of passageways |
| 06/01/1983 | EP0080282A1 Pressure device |
| 06/01/1983 | EP0080136A1 Safety arrangement for emergency disconnectable connecting device for fluid transfer elements |
| 05/31/1983 | US4385643 Plug for high-pressure testing of tubes |
| 05/25/1983 | EP0079841A1 End section device for fuel supply installation |
| 05/25/1983 | EP0079457A1 Pipe coupling and its utilization |
| 05/24/1983 | CA1146879A1 Sewer pipe plug |
| 05/18/1983 | EP0078816A1 Pipe connecting method |
| 05/17/1983 | US4383783 Vegetable oil, fatty acid and filler |
| 05/17/1983 | US4383551 Anti-hammer device for pulsed liquid-merging system |
| 05/17/1983 | US4383545 Automatic drain system for compressed air systems and the like |
| 05/17/1983 | CA1146441A1 Valve having a ring-shaped, movable valve body |
| 05/11/1983 | EP0078721A1 Hydropneumatic damper |
| 05/10/1983 | CA1146161A1 Tube plug |
| 05/10/1983 | CA1146019A1 Leak test tools |
| 05/04/1983 | EP0077811A1 Branch take-off and silencer for an air distribution system. |
| 05/03/1983 | US4381928 Apparatus for venting and/or degassing a pipeline system |
| 05/03/1983 | US4381800 Pipe tester plug |
| 05/03/1983 | US4381651 Silencer in a refrigeration system |
| 05/03/1983 | CA1145587A1 Laminated gage glass assembly |
| 04/26/1983 | US4381020 Single and multiple section pipe repair or service clamps |
| 04/26/1983 | CA1145148A1 Method and apparatus for removing deflection from plastic pipes |
| 04/20/1983 | EP0076893A1 Filling bodies for silencing, especially in flow channels |
| 04/12/1983 | US4379722 Pipeline gel plug |
| 04/05/1983 | US4379009 Sealing method using heat-shrinkable film |
| 04/05/1983 | US4378859 Silencer for intake/exhaust gas duct |
| 03/31/1983 | WO1983001082A1 Sound attenuator |
| 03/30/1983 | EP0074954A1 Sound attenuator. |
| 03/29/1983 | US4378393 Heat-shrinkable article |
| 03/29/1983 | US4377984 Connecting assembly for pipe lining equipment |
| 03/29/1983 | US4377945 Service line interior by-pass |
| 03/29/1983 | CA1143603A1 Branch take-off and silencer for an air distribution system |
| 03/22/1983 | CA1143399A1 Pressure seal for pumping instruments through drill rod |
| 03/16/1983 | EP0074147A2 An apparatus and a method for uniformly moving an electric cable and a measuring unit connected thereto in the interior of a tubing circuit section |
| 03/15/1983 | US4376445 Self-closing breakaway valve assembly including improved valve mounting with rotation limiting stop |
| 03/15/1983 | EP0077811A4 Branch take-off and silencer for an air distribution system. |
| 03/08/1983 | US4375841 Fluid flow apparatus for accommodating a pressure drop |