Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
07/1980
07/22/1980US4213216 Service tool
07/22/1980CA1082244A1 Across the line plugging apparatus and method
07/15/1980US4212352 Gripping member for well tools
07/15/1980US4212326 Flow rate limiter for a hydraulic circuit
07/15/1980US4212259 Marine vessel noise attenuating structure
07/09/1980EP0013264A1 Hose-break valve
07/08/1980US4211851 Process for the preparation of self-swelling leakage-preventing materials
07/08/1980US4211438 Coupling arrangement for two co-axial vacuum cleaner conduits
07/08/1980US4211305 Sound absorbing device
07/08/1980US4211304 Sound absorbing device
07/08/1980US4211303 Sound absorbing device
07/08/1980US4211302 Sound absorbing device
07/08/1980US4211260 Multilayer vessel or tube construction
07/01/1980CA1080640A1 Closure for pipe or pressure vessel
07/01/1980CA1080508A1 Test plug assembly and method for pressure testing the inlet connection for liquid jet floor outlet fittings
06/1980
06/24/1980US4209041 Fluid pressure responsive accessory equipment
06/24/1980US4209029 Method of and apparatus for sealing a leak in a pipeline
06/24/1980CA1079907A1 Methods and apparatus for purging liquid from an offshore pipeline and/or scanning a pipeline interior
06/10/1980US4207130 Such as sewers and pipelines with extruded plastic tubing
06/10/1980US4206785 Sound insulating layer of polyurethane foam containing inorganic fller, tube of polyvinyl chloride or polyolefin
06/10/1980CA1079325A1 Coupling devices
06/10/1980CA1079198A1 High frequency diffusion muffler for gas jets
06/03/1980US4205706 Protective cap for an exhaust pipe
06/03/1980US4205697 Method to interrupt a media flow through a tubular pipe and a device for utilizing the method
06/03/1980CA1078884A1 Mechanical -hydraulic damper for a load subject to shocks and vibrations
05/1980
05/28/1980EP0011189A1 Device with a membrane for damping oscillations in flowing liquids
05/27/1980US4204897 Method and apparatus for splicing hose
05/20/1980US4203472 Device for stopping fluid flow from a pipe
05/20/1980US4203470 Safety valve for gas pipes
05/13/1980US4202379 Sealing arrangement
05/13/1980US4202377 Pipe cleaning and plugging apparatus
05/06/1980CA1076980A1 Method and apparatus for sealing a pipeline leak
05/06/1980CA1076979A1 Plug
04/1980
04/29/1980US4199981 Flow control device for fluids flowing in a closed conduit
04/29/1980US4199936 Gas turbine engine combustion noise suppressor
04/29/1980US4199834 Pig ball transfer unit
04/17/1980WO1980000724A1 Branch take-off and silencer for an air distribution system
04/15/1980US4198078 Pressurized vibration isolator
04/15/1980US4197908 Apparatus for porting a side wall of a conduit from interiorly thereof
04/15/1980US4197880 Sealing and insulating article and method
04/02/1980EP0009383A1 A device for attachment of a resilient and/or flexible tube onto a bleed nipple
04/02/1980EP0009281A1 Pipeline gel plug
04/01/1980US4195668 High capacity pulsation dampener or surge absorber
04/01/1980US4195529 Device for moving the pickups of a flaw detection system through a pipeline
04/01/1980CA1074828A1 Testable pipe saddle and method
03/1980
03/25/1980US4194750 Sealing device with external deformable flanges
03/11/1980US4192658 Pipeline flame arrestor
03/11/1980US4192657 Return loops of narrow tubes in liquid heat transfer fluid
03/11/1980US4192656 Array of spaced apart tubes in cooling fluid
03/11/1980US4192376 Shutting-off device
03/04/1980US4191216 Fabricated orifice fitting mechanism for pipelines
03/04/1980CA1072725A1 System for pollution suppression
02/1980
02/26/1980US4190403 Fluid flow stabilizer and phase separator
02/26/1980US4190086 Connector device for the quick coupling of floating hoses
02/26/1980US4189807 Clamp
02/19/1980US4188675 Conduit plug
02/12/1980US4188073 Anti-vibration apparatus for a vehicle brake system
02/12/1980US4188038 Seal arrangement for intersecting conduits
02/12/1980US4187874 Fluid diode
02/05/1980USRE30204 Control damper
02/05/1980US4186776 Pulsation dampener or surge absorber
02/05/1980US4186775 Water hammer shock absorber
01/1980
01/29/1980US4185802 Anti-vibration pad for pipe support clamp
01/29/1980US4185462 Fluid fitting for turbofan engines
01/29/1980CA1070653A1 Concrete removal tool
01/23/1980EP0006955A1 Packless silencer.
01/22/1980US4184516 Pipe cap
01/22/1980US4184504 Wellhead valve removal and installation tool
01/15/1980US4183559 Piggable fluid swivel
01/09/1980EP0006278A1 Breakaway pipe coupling
01/08/1980US4182430 Branch take-off and silencer for an air distribution system
01/08/1980US4182359 Slide gate damper
01/08/1980US4182358 System for limiting rate of pressure rise in pipeline during hydraulic impact
01/08/1980US4182356 Sill cock assembly
01/01/1980CA1069138A Kinetic energy absorbing pad
12/1979
12/25/1979US4180103 Termination fixture for a marine seismic streamer cable
12/25/1979CA1068649A Manual applicator for lubricating end portions of tubes
12/18/1979US4179038 Self-sealing flange and method of installation thereof
12/18/1979US4178967 Retrievable plug for offshore platforms
12/18/1979US4178966 Tube plug
12/18/1979US4178965 Pulsation dampener device
12/18/1979US4178956 Self-draining sill cock assembly
12/18/1979US4178875 Apparatuses for producing tight joints or seals in underground pipelines
12/11/1979US4177874 Active acoustic sound absorber device
12/11/1979US4177837 Accumulator
12/11/1979US4177827 Pipe plugging device
12/04/1979US4177023 Pneumatic system for smoothing discharge pressure from air
12/04/1979US4177016 Self cleaning manifold connection for slurry pump
12/04/1979US4176683 Flow regulator
12/04/1979CA1067312A1 Liquid chromatography pumping system with compensation means for liquid compressibility
11/1979
11/28/1979EP0005670A1 Device for sealing a leak in a straight portion of a heat exchanger tube
11/27/1979US4175581 Apparatus for removing a fitting
11/27/1979CA1066903A1 Surface irrigation gate
11/27/1979CA1066880A1 Apparatus for distributing flowing media from one flow cross section to a flow cross section different therefrom
11/20/1979US4174735 Method of temporarily sealing open ends of fluid conduits terminating in a header space
11/20/1979US4174619 Apparatus for controlling the pressure of a gas in a gas line
11/14/1979EP0005197A1 Safety device in case of rupturing of a hose between a pressurized conduit and the supply pipe of an apparatus
10/1979
10/30/1979US4172472 Method of applying a repair clamp to a pipe
10/23/1979CA1064822A1 Well packer including combination anti-extrusion and segment ring actuating washer
10/17/1979EP0004682A1 Nozzle of the return-flow type