Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16L - Pipes; Joints or fittings for pipes; Supports for pipes, cables or protective tubing; Means for thermal insulation in general › F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
11/1981
11/24/1981US4301908 Antivibration device for a clutch pedal
11/24/1981US4301823 Self-closing breakaway valve assembly including improved valve mounting with rotation limiting stop
11/24/1981US4301590 Method of assembling an injection site to a support tube
11/17/1981US4300597 Dust cover assembly for quick disconnect coupling
11/17/1981US4300585 Automatic dump valve
11/10/1981US4299413 Pipe coupling
11/10/1981US4299255 Emergency pipeline shut-off apparatus
11/10/1981US4299253 Pulsation dampener
11/10/1981CA1112088A1 Broad-band pulsation attenuator
11/10/1981CA1112031A1 Method of making a helically corrugated tube
11/03/1981US4298090 Multi-layer acoustic linings
11/03/1981US4298030 Adjustable pulse dampener
11/03/1981US4298029 Pressure pulse dampener device
11/03/1981US4297780 Method for connecting sewer pipes to manholes or other pipes
11/03/1981US4297779 Method of joining structural elements
10/1981
10/28/1981EP0038655A2 Improvements in pipe induction heating
10/27/1981US4296955 Composite coupling device with high recovery driver
10/27/1981US4296932 Using bituminous rubber
10/27/1981US4296914 Full flow breakaway coupling
10/27/1981US4296907 Support assembly for an exhaust system of a motor vehicle
10/27/1981US4296831 Acoustic liner for attenuating noise
10/21/1981EP0038063A2 Thermal insulation housing
10/20/1981US4295633 Expansible device
10/20/1981US4295536 Pressure seal for pumping instruments through drill rod
10/20/1981US4295494 Method and apparatus for plugging and cutting a gas line or the like without excavation
10/20/1981US4295484 Frangible connector for self-closing breakaway valve assemblies or similar structures
10/20/1981US4295412 Hose with a one-way valve for a vacuum operated servomotor
10/20/1981CA1110952A1 Tie-down for accumulator bags
09/1981
09/30/1981EP0036535A1 Repair coupling
09/29/1981US4292004 Platform leg plug
09/29/1981US4291727 Pipeline flow restrictor and process
09/08/1981US4287962 Packless silencer
09/08/1981US4287917 Diaphragm device for damping vibrations in flowing liquids
09/02/1981EP0034689A1 Device for the automatic separation of liquid deposited on the bottom of a reservoir containing two non-miscible liquids
09/02/1981EP0034675A2 Homogenizing apparatus for homogenizing a fluid
09/01/1981US4286629 Removable plug
09/01/1981CA1108061A1 Absorption of acoustic energy from a fluid
09/01/1981CA1107921A1 Coupling arrangement for vacuum cleaner hose
08/1981
08/26/1981EP0034486A2 High-pressure hose with blow-out guard
08/25/1981US4285534 Pulsation-absorbing flexible pipe for pressure fluid device
08/25/1981US4285368 Pipeline stopper and pipe fitting
08/19/1981EP0034079A1 Method and device for stabilizing the flow of a two-phase fluid
08/18/1981US4284169 Bubble noise reduction
08/11/1981US4283615 Device for stopping a leak in a straight portion of a heat-exchanger tube
08/11/1981US4282982 Tube closure device
08/11/1981US4282797 Protective fluid system
08/11/1981US4282757 Device for detecting rate of change in pressure
08/04/1981US4281856 Wet-dry cementable coupling for plastic pipe
08/04/1981CA1106355A1 Dual concentric pipe joint
08/04/1981CA1106342A1 Sound dampening fastening element
07/1981
07/28/1981CA1105728A1 Refrigerant accumulator and method of manufacture thereof
07/22/1981EP0032389A2 Connection block for water mains
07/21/1981US4279352 Molded injection site
06/1981
06/30/1981US4275767 Fluid resistor
06/23/1981CA1103534A1 Emergency water leak plug
06/17/1981EP0030411A1 Hydropneumatic pulse interceptor
06/16/1981US4273605 Internal lining and sealing of hollow ducts
06/16/1981US4273366 Two-part fluid conduit with means for connecting the sections thereof
06/16/1981US4273158 Pressure pulse dampening device
06/09/1981US4271870 Method and apparatus for blocking the flow of fluids through an elongated pipe section
06/03/1981EP0029701A1 Process and apparatus for the prevention of solids deposits in a tubular reactor
06/02/1981US4271007 Method and apparatus for the prevention of solids deposits in a tubular reactor by pulsed flow
05/1981
05/27/1981EP0029343A2 Lining cutter and cutting method
05/27/1981EP0029338A2 Flange clamp and method of sealing
05/27/1981EP0029043A1 Packless silencer.
05/26/1981US4269419 Fluid pressure sleeve and rubber gasket pipe joint
05/26/1981US4269231 Below surface ducting
05/26/1981US4269230 Closure member
05/26/1981US4269226 Universal breakaway coupling
05/26/1981US4268932 Sphere launching apparatus
05/19/1981US4268559 Heat-shrinkable article
05/19/1981US4268070 Orifice flange clamp
05/19/1981US4268041 Sealing device and method
05/19/1981US4267994 Pipe supporting apparatus
05/19/1981US4267699 Freeze isolation seal
05/19/1981CA1101458A1 Inner socket gasket for pipe line joints
05/14/1981WO1981001306A1 Acoustic filter silencer
05/13/1981EP0028575A1 Pig station and U-shaped calibrating conduit provided with such pig stations for volume flow rate metering apparatuses
05/12/1981US4266576 Flow control device in a protective housing
05/05/1981US4265269 Device for automatically cutting off damaged branches of pneumatic and hydraulic systems
05/05/1981CA1100389A1 High frequency pulse dampener
05/05/1981CA1100388A1 Locking ring for pressure vessel
05/05/1981CA1100387A1 Orifice trim and backpressure plate for high pressure valves
04/1981
04/28/1981CA1100156A1 Sealing device and method
04/28/1981CA1100015A1 Self cleaning manifold connection for slurry pump
04/21/1981US4262770 Porous acoustic element and a method of controlling aerodynamic noise in a flowing gas
04/21/1981US4262702 Conductor pipe plug
04/21/1981US4262701 Concrete pipe lift hole plug
04/21/1981US4262700 Broad-band pulsation attenuator
04/15/1981EP0027068A1 Flow stabilizer for a ventilation shaft
04/15/1981EP0027027A1 Flexible gate valve
04/15/1981EP0026976A1 Method of and apparatus for restoring the diameter of plastic pipes located in an earth encompassing situ
04/14/1981US4261387 Pipeline surge relief system
04/14/1981CA1099120A1 Platform leg plug
04/07/1981US4260181 Pipe coupling
04/07/1981CA1098813A1 Sealing and insulating article and method
03/1981
03/31/1981US4259099 Gas filter device
03/25/1981EP0025735A1 Method of selectively closing the ends of a honeycomb structure
03/24/1981US4257719 Underwater pipelines
03/24/1981US4257630 Method and apparatus for splicing hose
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