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)
01/1991
01/08/1991US4982928 Water outlet fitting with sound damper insert
01/08/1991US4982764 High confidence tube plug
01/08/1991US4982763 Plug retainer
01/08/1991US4982490 Method of lining a fluid conduit
01/03/1991DE3914132A1 Hose or pipe coupling - has sealing ring on each coupling half and two opposing pressure faces, having different area, on axially sliding carrier
01/02/1991EP0406043A1 Tool bit working inside a tubular element
01/02/1991EP0405097A1 Slide clamp for tubing
01/02/1991EP0405075A1 Pipeline pig
01/02/1991EP0404956A1 Oil pressure feeder of work machine cylinder
01/02/1991CN1048258A Pipe burster
01/02/1991CA1278588C Pipe seal and closure member
01/01/1991US4981524 Herbicidal foam application
12/1990
12/28/1990CA2019905A1 Tool for working inside a tubular element
12/27/1990EP0404256A1 Procedure for the widening of a passage in the ground
12/27/1990EP0403737A1 Method and device for sealing the branch junctions of sewer pipes
12/27/1990EP0403546A1 A device for controlling fluid flow.
12/25/1990US4980116 Lining of pipelines and passageways
12/25/1990US4979441 Useful to dampen pressure pulsations in a flowing fluid
12/21/1990CA2000003A1 Backwater escape valve
12/20/1990DE4018893A1 Water-pipe-sealing plug
12/20/1990DE3940354A1 Underground pipe removal method - involves cutting through in lengthwise direction and forming space between it and earth
12/20/1990DE3940321A1 Replacement of underground metal pipes - is achieved by cutting old pipe into two halves, forcing halves apart and inserting new pipe
12/19/1990EP0403221A1 Dry disconnect coupling and safety cap for portable tanks
12/19/1990EP0403133A2 A tubular member having a liner and a method of lining a tubular member
12/19/1990EP0402747A2 District heating pipe
12/19/1990EP0402423A1 Soundproofing wall element
12/18/1990US4977917 Modular differential pressure transmitter/manifold for a fluid conveying pipeline
12/13/1990CA2018918A1 Dry disconnect coupling and safety cap for portable tanks
12/12/1990EP0402167A1 Pipe burster
12/12/1990EP0401936A2 Method and means for the temporary plugging of pipelines
12/12/1990EP0401904A1 Programmable pressure reducing apparatus for throttling fluids under high pressure
12/12/1990CA2017772A1 Tubular member having a liner and a method of lining a tubular member
12/11/1990US4976290 Tubular member having a liner
12/09/1990WO1990015347A1 Method and device for locating branches in drains
12/09/1990CA2033977A1 Method and device for locating branches in drains
12/06/1990DE3917626A1 Stopper with rinsing device - has separate structural groups connectable with hollow cylinder screwed into pipe outlet
12/05/1990EP0400462A2 Device for repairing or renewing neck rings of enamelled appliances
12/05/1990EP0400039A1 A method for sealing an elongated, hollow cavity, and a device for carrying out the method
12/05/1990CN1047558A Method and device removing water hammer affect
11/1990
11/30/1990CA2017316A1 Programmable pressure reducing apparatus for throttling fluids under high pressure
11/29/1990WO1990014551A1 Machining device operating within a pipe system
11/29/1990WO1990014550A1 Device for refrigerating a pipeline
11/29/1990WO1990014549A1 Extensible hose for damping pressure pulses
11/29/1990WO1990014548A1 Method of repairing live pipe at joint of existing gas pipes
11/28/1990EP0399433A1 A suction pipe for a vacuum cleaner
11/28/1990EP0187827B1 Flow control device for administration of intravenous fluids
11/27/1990US4972880 Pipe liner
11/27/1990US4972879 Surge-pressure removing system for back-pressure in injection cylinder
11/27/1990CA1276892C Tuned self-damping convoluted conduit
11/27/1990CA1276783C Apparatus for internally coating pipes
11/22/1990EP0397816A1 Secondary containment system using flexible piping
11/22/1990EP0262183B1 Method and means for lining and overwrapping of conduits
11/22/1990DE3916025A1 Rohreinfriergeraet Pipe Freezing
11/20/1990US4971477 Secondary contained fluid supply system
11/20/1990US4971307 Device for joining of pipelines
11/15/1990DE3915752A1 Pipe connection with outer attachment - has seal insert with clamping claw and jaws, and lugs, levers and tension pieces
11/15/1990DE3915714A1 Piping mains repairing machine - applies lining from inside which is resistant to acid and alkali and adjustable
11/14/1990EP0397448A2 Device for working inside of pipes
11/14/1990EP0397296A2 Method of sanitising water pipes or drains
11/14/1990EP0397132A2 Device for removing components or material projecting from the interior space of pipes
11/14/1990EP0396696A1 Process for repairing an inaccessible domestic pipe using a remote-controlled device operating in the main.
11/14/1990CN1046968A Protective system for power station pressure pipes blasting
11/14/1990CN1010423B Process for sealing off the water flowing in tunnels, mine entries, canals and other known subsurface ducts
11/13/1990US4969677 Pipe pulling grip
11/10/1990CA2053847A1 Inside processing apparatus
11/09/1990CA2016296A1 Inside processing apparatus
11/08/1990DE3914953A1 Controlled-slip braking system esp. for motor vehicle
11/08/1990DE3914435A1 Seal for leakage holes in containers or pipes - consists of two flexible suction bells on one support with vacuum pump, spindle and nut
11/07/1990EP0395934A1 Method and device for the construction and/or the reconditioning of pipelines and conduits
11/06/1990US4968197 Blank duct plug
11/06/1990US4968179 Secondary containment system for hazardous fluid conveyance and delivery systems
11/06/1990US4967607 Inspection ports for fluid flow measuring sections
11/06/1990CA1275947C Method for lining a pipe or main
11/05/1990CA2014902A1 Method and device for the construction and/or the reconditioning of pipelines and conduits
11/01/1990WO1990012713A1 Skid-controlled brake installation, in particular one for motor vehicles
10/1990
10/31/1990EP0394405A1 Pipe liner and method of installation thereof
10/31/1990DE4010633A1 Device for connecting pipeline to fixed point - includes two support devices for pipe preventing axial displacement of pipe clip
10/31/1990DE3914405A1 Pig for sea bed oil pipes - has high pressure hose and two extender shafts merging into conical part of single extender shaft
10/31/1990DE3913800A1 Accommodation of thermal expansion in pipework - has short branch pipe welded to main pipe forming cylindrical chamber enclosing sealed flexible metal bellows
10/30/1990US4966200 Tie bolt accumulator with safety valve
10/27/1990WO1990012979A1 Apparatus for use in renovation of tube systems, in particular sewer tube systems
10/25/1990DE3913352A1 Anti-skid hydraulic brake system - has elastic damping elements to reduce vibration
10/25/1990DE3913318A1 Non-passable pipe repair - by packer and polyurethane resin injection
10/25/1990DE3913317A1 Non-passage pipe repair - by packer and silicate resin injection
10/24/1990EP0393304A2 Method for lining an underground pipe
10/23/1990US4964759 Apparatus for selectively rotating a tool relative to the wall of a conduit
10/23/1990US4964439 Pipe plug with circumferential suction cups
10/23/1990US4964438 Air duct plug
10/18/1990WO1990012242A1 Method and pipe element for the relining of sewers
10/18/1990WO1990012238A1 Internal expansion coupling device
10/18/1990DE3912103C1 Underground replacement of damaged sewer pipe sections
10/17/1990EP0392936A1 Connecting piece for repairing and/or connecting pipelines,conduits or the like
10/17/1990EP0392646A2 Plug retainers
10/17/1990EP0392583A2 Device for replacing damaged sewage pipes
10/17/1990EP0392026A1 Tube used for lining of conduit
10/16/1990US4962958 Lining laminate for a pipeline
10/16/1990US4962831 Apparatus for controlling lubricating oil fires due to oil line failure
10/16/1990US4962826 Damping treatment for pipes and bodies
10/16/1990US4962784 In a gas flow measuring system
10/16/1990CA1275265C Device for occluding an opening, and sliding gate having said device
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