Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
10/1976
10/05/1976US3983904 Plug assembly for sealing a pipe
10/05/1976US3983903 Multiple orifice assembly
10/05/1976US3983895 Pump station bypass system
10/05/1976US3983594 Ball catcher and launcher for a pipeline
09/1976
09/14/1976US3980457 Separator with magnetically controlled fluid valve
09/14/1976US3980106 Fluid containing structure
09/07/1976US3978892 Self-locking plug apparatus for sealing and recovering a pipeline laid on a deep submerged bed
09/07/1976US3978678 Method and apparatus for plugging a pipeline
08/1976
08/24/1976US3976452 Device for the separation of gas from a liquid
08/10/1976US3973789 Coupling structure
08/03/1976US3972364 Pressure surge relief system
07/1976
07/27/1976US3971579 Weld clamp seal
07/27/1976US3971573 Trail line moves
07/20/1976US3970291 Method of preventing occurrence of pulsation in a circulating liquid for evaporative cooling
07/13/1976US3968732 Hydraulic power transmission system
07/13/1976US3968568 Encoder error correction means for use with a distance measuring wheel
07/06/1976US3968000 Method for making pipe end plugs
06/1976
06/29/1976US3966239 Release for breakaway coupling
06/29/1976US3965938 Pipe restraint device
06/22/1976US3964772 Connector for flexible metallic conduit and method
06/22/1976US3964293 Or obturating leaky tubes in heat-exchangers
06/15/1976US3963055 Self-sealing fuel line
06/15/1976US3963054 Seal assemblies for water-well casings
06/15/1976US3963053 Pressure vessel
06/15/1976US3963052 Pressure vessel
06/15/1976US3963040 Waste disposal system
06/15/1976US3962767 Method for repairing a heat exchanger tube
06/08/1976US3961646 Pressure accumulator
06/08/1976US3961493 Or scanning a pipeline interior
06/01/1976US3960395 Expansion clamp
06/01/1976US3960239 Noise-reducing fluid-flow devices
06/01/1976US3960179 Repairable presssure vessels
06/01/1976US3960178 Pressure vessel
06/01/1976US3960173 Exhaust valve for a mold and core blowing machine
05/1976
05/25/1976US3958761 Water discharge device for use with irrigation systems
05/25/1976US3958607 Apparatus for sealing pipe leaks
05/25/1976US3958606 Method and apparatus for eliminating air flow in communications cables to assist in plug formation
05/25/1976US3958531 Adjustable endless band doctor
05/11/1976US3956439 Underground pipes
05/11/1976US3956051 Apparatus for making fiber reinforced plastic pipe
05/04/1976US3954123 Aircraft lavatory drain plug
05/04/1976US3954122 Cold pressure weld, and low-pressure piping system capable of being made with this cold pressure weld
04/1976
04/27/1976US3953060 Slip-proof coupling device
04/27/1976US3952395 Method of closing the end of a drilled passage
04/20/1976US3951441 Adjustable plumbing fitting
04/20/1976US3951437 Construction of encased pipelines
04/20/1976US3951293 Gas-permeable, liquid-tight closure
04/20/1976US3951173 Method and apparatus for sealing large diameter pipes
04/20/1976US3951172 Adjustable cleanout plumbing fitting
04/13/1976US3950461 Subsurface, dispensing sealant
04/13/1976US3949787 Pipe cap
04/13/1976US3949784 Air cushion vehicle fluid flow system
04/13/1976US3949461 Methods for joining insulated pipe lengths
04/06/1976US3948290 Means for connecting an elastomeric tubing to a member
04/06/1976US3948288 Hydraulic accumulator
04/06/1976US3948287 Accumulator
04/06/1976US3948282 Method and device for attaching shut-off control valve to distributing water pipe such as service pipe without stopping passage of water therethrough
04/06/1976US3948085 Ball launching head for testing a pipeline laid on a submerged bed
03/1976
03/30/1976US3946764 Insulator sleeve for conduits
03/30/1976US3946761 Packer for sealing pipe leaks
03/30/1976US3946759 Pressure vessel having a deformable bladder therein
03/23/1976US3945465 Multi-function air treatment unit
03/16/1976US3944260 Pipe repair fittings
03/16/1976US3943982 Apparatus for internally checking well pipe bore and for automatically sealing leaks therein
03/16/1976US3943962 Universal equipment for connecting pipe line favourably for adjusting variable angles
03/09/1976US3942560 Safety stop for pressurized pipeline
03/09/1976US3942549 Water hammer arrestor
03/02/1976US3941350 Quieting means for a fluid flow control device using vortical flow patterns
03/02/1976US3941254 Wire form locking means for detachable air hose couplings of railway cars
03/02/1976US3941156 Plumbing test fitting
02/1976
02/17/1976US3938774 Method and apparatus for sealing leaking pipeline joints
02/17/1976US3938551 Anesthesia rebreathing apparatus
02/10/1976US3937499 Mounting for nonmetallic valves
02/10/1976US3937496 Flexible coupling
02/10/1976US3937255 Safety equipment for installations under pressure
02/03/1976US3936606 Acoustic abatement method and apparatus
02/03/1976US3936218 Fluid systems
02/03/1976US3936080 Pipeline expansion joint having a smooth bore
02/03/1976US3936078 Damping device for coupling together piping elements
02/03/1976US3935882 Hydraulic tank reservoir pressure and vacuum stabilizer system
01/1976
01/20/1976US3933519 Sub-sea pipe cleaning apparatus and method
01/20/1976US3933180 Methods and apparatus for making fiber reinforced plastic pipe
01/20/1976US3933172 Pipeline surge reliever with sanitary barrier
01/13/1976US3931834 Expansion tank diaphragm assembly
01/13/1976US3931670 Apparatus and method for connecting two axially spaced apart pipes
01/06/1976US3930521 Gas charging valve for accumulator
01/06/1976US3930487 Heat exchanger tube tool