Patents for F16L 55 - Devices or appurtenances for use in, or in connection with, pipes or pipe systems (25,887)
03/1984
03/13/1984US4436120 Inflatable internal pipe obturator with hardenable core
03/13/1984US4436117 Leak resistant plug assembly
03/13/1984US4435872 Spheroid pig launcher
03/13/1984CA1163580A1 Sound insulating support for plumbing pipes
03/13/1984CA1163579A1 Apparatus for servicing gas lines
03/07/1984EP0102215A1 System for quick interruption of flow in a liquid pipeline
03/07/1984EP0101712A1 A lining hose for restoring or making a conveyor channel.
03/06/1984US4435456 Application of ambient temperature cured polymers or prepolymers to a cured elastomer
03/06/1984US4434816 Service line interior by-pass fitting
03/06/1984US4434815 Cutting apparatus for insertion into a branch pipe
03/01/1984WO1984000797A1 Method of and means for absorbing pressure shocks
02/1984
02/28/1984US4434115 Method for remote lining of side connections
02/28/1984US4433556 Pipe freezing device
02/22/1984EP0101340A1 Composite materials and pipe-linings made of such materials
02/22/1984EP0101258A1 Method of forming a seal
02/21/1984US4432465 Fire rated closure plug
02/21/1984US4432434 Sound absorbing arrangement for air handling units
02/16/1984WO1984000576A1 Tapered threaded member with guide
02/16/1984WO1984000519A1 Soft surface laminate
02/15/1984EP0100310A1 Circuitous path flow restrictor.
02/14/1984CA1162210A1 Concrete floor embedded coupling for plastic pipe
02/14/1984CA1162063A1 Mains insertion
02/08/1984EP0100205A2 Tension actuated uncoupler
02/08/1984EP0100170A1 Heat shrinkable covering and method of applying same
02/08/1984EP0100099A1 Buckle arrestor
02/08/1984EP0100029A1 Coated compound material, process for its production and its use in the lining of outlets
02/08/1984EP0099898A1 Sealing joints in pipes large enough in diameter for entry of personnel
02/07/1984US4429903 Pipe coupling device for receiving removably insertable valve
02/07/1984US4429720 Apparatus for seeking out and repairing leaks in pipes
02/07/1984US4429622 Pressure responsive actuator for use with an automatic dump valve
02/07/1984CA1161770A1 Single and multiple section pipe repair clamps
02/07/1984CA1161766A1 Active acoustic attenuator
01/1984
01/31/1984US4429213 Electrically heated fluid conduit
01/31/1984US4428204 Method for forming a temporary plug in a fluid conduit
01/31/1984CA1161333A1 Surge reliever with increase capacity flow
01/25/1984EP0098855A1 Method and apparatus for grouting between pipes
01/24/1984US4427480 Method and apparatus for providing the inner surface of a pipe line with a tubular lining material
01/24/1984US4427222 Device for the tight joining of two parts
01/24/1984US4427112 Service line interior by-pass kit
01/24/1984US4427032 Service line interior by-pass
01/24/1984US4427031 Method of installing an interior by-pass liner
01/24/1984US4427029 Pulse damper for chromoatography systems
01/24/1984US4426762 Method for selectively obturating at least one end of a structural module
01/24/1984CA1161080A1 Accumulator filter and conduit clamp assembly
01/24/1984CA1160959A1 Packless silencer
01/18/1984EP0098547A1 Improvements relating to the lining of passageways
01/18/1984EP0098467A1 Insert between two connectable fluid passages
01/17/1984US4426095 Flexible seal
01/17/1984US4425943 Plug assembly for use in method and apparatus for repairing heat exchangers
01/10/1984US4424989 Drain hole
01/10/1984US4424861 Inflatable anchor element and packer employing same
01/10/1984CA1160068A1 Pipe freezing device
01/03/1984US4423754 Cup type pipeline inflation anchor
01/03/1984CA1159924A1 Method and device for detecting and locating leaks in pipelines
12/1983
12/28/1983EP0096958A1 Method of and apparatus for repairing drains and underground pipelines
12/27/1983US4422651 Closure for pipes or pressure vessels and a seal therefor
12/27/1983US4422477 Pressure energized pipeline plug
12/27/1983CA1159377A1 Recoverable sleeve assembly
12/27/1983CA1159376A1 Coupler cover
12/27/1983CA1159347A1 Method and apparatus for providing the inner surface of a pipe with a flexible tubular lining material through a liquid resin under pressure
12/21/1983EP0096209A2 Device for disconnecting two pipe ends
12/20/1983US4421698 Sealing device for use in grouting pipe joints and method of using same
12/20/1983US4421202 Sound attenuator
12/20/1983US4421137 Plug assembly for sealing a pressure fluid passage in a manifold or the like
12/20/1983CA1158849A1 Method for smoothly evaginating a tubular material under pressure
12/13/1983US4420009 Apparatus for mixing fluids
12/07/1983EP0095752A1 Sound damping device for air condition and like ducts conveying air
12/07/1983EP0095582A1 Sound insulated flow channel and method of making the same
12/06/1983US4419163 Pipeline coating method
12/06/1983US4418788 Branch take-off and silencer for an air distribution system
12/06/1983US4418724 Heat insulating casing
11/1983
11/23/1983EP0094819A1 Pipe linings
11/23/1983EP0094694A2 Mains insertion
11/23/1983EP0094459A1 Bleed screw for hydraulic systems
11/22/1983US4416118 Method and apparatus for controlling the formation of a temporary plug in a fluid transmission line
11/16/1983EP0093923A1 Sound reducing heat insulation
11/15/1983US4415391 Reinforced molded rubber muffler hanger and method of making of same
11/15/1983US4415001 Pressure rise rate limiter valve
11/15/1983US4414918 Distributor head for a pipe lining machine
11/15/1983CA1156920A1 Fusion-bondable sheet
11/08/1983US4413657 Exhaust pipe with vibration damping
11/08/1983US4413655 Pipe repair bypass system
11/08/1983US4413654 Clean out device
11/08/1983US4413653 Inflation anchor
11/08/1983US4413388 Pipe repair clamp
11/02/1983EP0092827A2 Pressure monitoring device for incorporation in a pipe or hose
11/02/1983EP0015559B1 Sealing device for a pipe joint
11/01/1983US4412559 Dog locking sleeve
11/01/1983CA1156163A1 Blow-out guard for high-pressure hoses
11/01/1983CA1156161A1 Temporary pipeline capping unit and method of using same
10/1983
10/27/1983WO1983003552A1 Fire arrester barrier for pipe passages
10/25/1983US4411705 Striking particles to dislodge
10/25/1983US4411459 Branch fitting for providing access to the interior of a pipe
10/18/1983US4410391 Apparatus for relining an underground gas line or the like without excavation
10/18/1983US4410013 Composite dual tubing
10/18/1983US4409708 Pipe clamp with improved retaining lugs
10/13/1983WO1983003457A1 Robot
10/12/1983EP0091004A1 Tube plugging apparatus, especially for heat exchanger tubes
10/11/1983US4408679 Sound attenuator
10/11/1983US4408635 Hydropneumatic pulse interceptor