Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
11/1977
11/15/1977US4058142 Pipeline fitting
11/08/1977US4057269 Hose coupling retainer assembly
11/08/1977US4057082 Pipelines
11/08/1977US4057081 Pipeline pigs
11/01/1977US4056127 Accumulator with open ended shell
10/1977
10/25/1977US4055315 Device for pipeline transportation of loads by fluid flow
10/11/1977US4053176 Collar for sealing pipe joints
10/11/1977US4052999 Bumper wall for plasma device
10/04/1977US4051847 Anesthesia rebreathing apparatus
09/1977
09/27/1977US4050955 Underwater
09/27/1977US4050669 Expansible tube valves
09/27/1977US4050479 Fluid resistance device
09/20/1977US4049480 Method and apparatus for forming a joint in a confined space between two abutting ends of conduit liners
09/20/1977US4049296 Leak repair clamp
09/20/1977US4048970 Fuel injector
09/06/1977US4046168 Closure plugs
08/1977
08/30/1977US4045347 System for pollution suppression
08/30/1977US4045058 Slip-proof coupling device
08/30/1977US4045057 Structural connector for conduits and the like
08/30/1977US4044798 Adhesive bonded hydrotest plug and method for using the same
08/30/1977US4044749 Concrete removal tool
08/23/1977US4044203 Active control of sound waves
08/23/1977US4043432 Compact vibration damper for a hermetic refrigerant compressor
08/23/1977US4043360 Pressure reducing device for fluids
08/23/1977US4043352 Pressure accumulator
08/16/1977US4041990 Accumulator for use in a hydraulic system
08/09/1977US4040450 Pipe sealing apparatus
07/1977
07/19/1977US4036514 Pipe fitting
07/12/1977US4035301 System for pollution suppression
07/12/1977US4035296 Waste water, gases
07/12/1977US4035003 Pipe joint for large diameter flexible pipes
07/12/1977US4034777 Apparatus to pierce a fluid-transport pipe and control the fluid-flow therefrom
06/1977
06/28/1977US4032445 Liquid chromatography pumping system with compensation means for liquid compressibility
06/28/1977US4032265 Suction stabilizer for reciprocating pumps and stabilizing method
06/28/1977US4031920 Pressurized hydraulic sump system
06/28/1977US4031914 Sink trap with clean out opening
06/14/1977US4029428 Pipe repair apparatus
06/07/1977US4027903 Water-degradable coupling member
06/07/1977US4027701 Aircraft lavatory drain plug
06/07/1977US4027691 Device for venting and aerating closed circulatory water flow systems
05/1977
05/31/1977US4026976 Sealing leaks with polymerized monomers
05/31/1977US4026748 Portable hand tool tape wrapping method, apparatus and article
05/31/1977US4026330 Device for feeding gas into underground cavities to asphyxiate rodents
05/31/1977US4026329 Method and apparatus for remotely and releasably sealing a pipeline
05/31/1977US4026315 Ventilation system for rotating water feeds
05/24/1977US4025360 Method and apparatus for injecting foam into a pipeline, including an inflatable plug
05/24/1977US4024893 Pipe proof test fixture
05/17/1977US4023831 Plastic pipe fitting
05/17/1977US4023584 Frangible valved fitting
05/03/1977US4020872 Accumulator
04/1977
04/26/1977US4019537 Arrangement for mounting guide vanes or other transverse objects inside a conduit
04/19/1977US4018546 Pump device for flow rate control of liquid in a piping system
04/12/1977US4016896 Device for the de-airing of a liquid system, preferably a system for hydraulic brakes
04/12/1977US4016621 Or retrieving pipeline scrapers
04/05/1977US4015819 Gas charging value for accumulator
04/05/1977US4015634 Split-sleeve pipe device with integral seal and insulator
04/05/1977US4015633 Assembly for sealing and pressure equalization of a submersible housing
03/1977
03/29/1977US4014367 Pipe cap
03/29/1977US4014366 Orifice fitting conversion apparatus
03/22/1977US4013309 Repair kit for plastic pipe
03/22/1977US4013189 Insulation system for liquified gas tanks
03/15/1977US4011884 Liquid-level valving device particularly useful as automatic relief valve
03/15/1977US4011728 Means for producing subaqueous and other cast-in-place concrete structures in situ
03/15/1977US4011651 Fibre masses
03/15/1977US4011620 Pipeline tool for launching two pipeline clearing spheres
03/08/1977US4011100 Apparatus is propelled through the pipe, rotating scouring head
03/08/1977US4010773 Hydropneumatic pressure storage device
03/01/1977US4009732 Methods of sealing annular space between inner and outer gas mains for tie-overs
03/01/1977US4009729 Hydraulic coupler
02/1977
02/22/1977US4009063 Method of lining a pipe
02/15/1977US4007908 Process and device for attenuating noise caused by a valve during the expansion of a fluid
02/01/1977US4005829 Tape roll and core
01/1977
01/25/1977US4004607 Conduit arrangement with protection against rupture and leakage
01/18/1977US4003407 Drip-preventing condensation shroud usable with water heaters
01/11/1977USRE29112 Methods of forming a fiber reinforced pipe on an inflatable mandrel
01/04/1977US4000758 Fluid reservoir device with fill means, level indicator means and pressure relief means
01/04/1977US4000708 Apparatus for capping receptacles
12/1976
12/28/1976US3999576 Method for manufacturing tubular sleeve
12/28/1976US3999570 Irrigation drain valve
12/21/1976US3998714 Two stage oxidation for disinfection of ammonia-materials
12/21/1976US3998245 Seal assemblies for water well casings
12/14/1976US3997634 Diffuser assembly
12/14/1976US3997020 Sound absorber
12/14/1976US3996967 Reinforced lining for tubes
12/07/1976US3996105 Mixed methane-utilizing cultures for production of micro-organisms
12/07/1976US3996025 Apparatus for distributing flowing media from one flow cross section to a flow section different therefrom
11/1976
11/23/1976US3993103 Pipe line expansion plugs and tools
11/23/1976US3993102 Cleanout fitting combination
11/16/1976US3992643 Load current pulse control devices
11/16/1976US3991792 Anti-siphon gasoline tank
10/1976
10/26/1976US3987991 Pipe restraints for nuclear power plants
10/26/1976US3987821 Gas-filled thermometer
10/26/1976US3987809 Fluid resistance device
10/26/1976US3987708 Depth insensitive accumulator for undersea hydraulic systems
10/19/1976US3986583 Force transmitting coupling
10/12/1976US3985688 Poly (urethane-urea) foam sealants for underground application and fluid precursors
10/12/1976US3984989 Means for producing subaqueous and other cast-in-place concrete structures in situ
10/05/1976US3984504 Method and apparatus for preventing water hammer in high pressure steam injection water heaters
10/05/1976US3984302 Apparatus for controlling marine fouling of salt water coolant heat exchangers, piping systems, and the like
10/05/1976US3983906 Impression packer sleeve