Having Deformable Or Inflatable Means Patents (Class 137/15.15)
  • Patent number: 10704980
    Abstract: Aspects of the invention include methods and systems for a testing mechanism to be utilized when repairing and replacing a valve utilized on a tank car. The testing mechanism may comprise a pipe plug device configured to plug a siphon pipe located on a tank car and a pressure test device to conduct a leak detect test after the pipe plug device is removed from the siphon pipe. The pipe plug device may include a pipe plug bladder and a pipe plug pressure fitting to inflate and deflate the pipe plug bladder against a wall of the siphon pipe. The pressure test device may include a pressure test valve cap with a test valve bladder located on the pressure test valve cap, a bladder pressure fitting to inflate and deflate the test valve bladder, and a test pressure fitting to pressurize a valve, the test pressure fitting located on the pressure test valve cap.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: July 7, 2020
    Assignee: Union Tank Car Company
    Inventors: Jay Lloyd, John Kolb, Greg Cieslak, Neil Finn
  • Patent number: 9822931
    Abstract: An apparatus for servicing a tank and/or a plug includes a valve having a first port sealingly couplable onto a tank port surrounding the plug, a second port, and a valve member operable between an open position providing a pathway between the first and second ports, and a closed position providing a sealed barrier between the first and second ports. The apparatus further includes an adapter sealingly couplable to the second port, and a plug displacement tool couplable to the adapter for displacing the plug relative to the tank when the first port is coupled to the tank port, the adapter is coupled to the second port, and the valve member is in the open position.
    Type: Grant
    Filed: June 13, 2015
    Date of Patent: November 21, 2017
    Inventors: Gregory C. Harper, Jason G. Newton
  • Patent number: 9475686
    Abstract: Disclosed herein are embodiments of a valve assembly for preventing dead leg spaces in a container or tubing, the embodiments including a three-way valve system for controlling back-pressure in a fluid generating device, such as a single-use high pressure bioreactor. Also disclosed is a pressurized reactor system for bioprocessing, comprising a single-use container including a flexible wall or a semi-rigid wall.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: October 25, 2016
    Inventors: Colin R. Tuohey, Thomas Erdenberger, Richard L. Damren, Kenneth Clapp, Parrish M. Galliher, Jonathan Kenney
  • Patent number: 8800602
    Abstract: A leaking block valve isolation tool for insertion through a vent duct and blocking valve of a gas flow duct. The isolation tool includes an outer tube having proximal and distal ends, the outer tube having a diameter sized to extend through the vent duct and blocking valve. An inner tube having proximal and distal ends is arranged coaxially with and movable within the outer tube. An inflatable balloon is attached to the distal end of the inner tube, wherein the isolation tool outer tube is insertable through the vent duct to an opening in the gas flow duct. The inner tube is slidably insertable through the outer tube until the balloon is situated within a bore formed through the gas flow duct and is inflatable therein to block any gas leak through the gas flow duct.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: August 12, 2014
    Assignee: Saudi Arabian Oil Company
    Inventor: Mohammad Ahmed Al Shammary
  • Patent number: 8800601
    Abstract: An apparatus for fluid flow control, including flow stoppage, in a pipe having a saddle fitting with an axially extending outer launch tube and a coaxially aligned inner launch tube longitudinally split into two inner launch tube halves disposed within the axially extending outer launch tube. At least one inflatable flow stopper bag is disposed within the inner launch tube for stopping flow of a fluid through the pipe with which the saddle fitting is connected. An inner launch tube control rod for manipulating each of the inner launch tube halves during the inflatable stopper insertion and removal processes is connected with each of the inner launch tube halves, and a flow stopper bag control rod for manipulating the inflatable flow stoppers is connected with each of the inflatable flow stopper bags.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: August 12, 2014
    Assignee: Operations Technology Development, NFP
    Inventor: Jeffrey William Mainzer
  • Patent number: 8739834
    Abstract: Systems, apparatuses, and methods of use of a plug assembly are disclosed herein. The plug assembly includes an expandable plug for use with a pipe having an annular wall defining an outer wall surface and an inner wall surface.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: June 3, 2014
    Assignee: Mueller International, LLC
    Inventors: Mikhail German, Leo Fleury
  • Patent number: 7886773
    Abstract: A low pressure directional stop bypass device including a saddle fitting having an axially extending tubular connection element having a connection element wall forming a lateral bypass port, a valve assembly connected with the axially extending tubular connection element having a first valve port in fluid communication with the lateral bypass port and having a second valve port, and a stuffing box connected with the second valve port. A launch tube assembly is inserted through the stuffing box and the valve assembly into the axially extending tubular connection element. The launch tube element includes an outer tubular member, an inner tubular member disposed within the outer tubular member, and a stopper supply tube having a leading end and a trailing end and disposed within the inner tubular member. A flexible inflatable stopper plug connected with the leading end of the stopper supply tube.
    Type: Grant
    Filed: July 21, 2008
    Date of Patent: February 15, 2011
    Assignee: Operations Technology Development, NFP
    Inventor: Jeffrey William Mainzer
  • Publication number: 20100236639
    Abstract: A system and method for inhibiting gas release while accessing a pressurized gas pipeline includes a magnetic plug holder for magnetically engaging a pipe plug to a rod. A housing is sealingly engaged to a valve attached to the pipeline, and the rod is movable through the housing in a sealing fashion such that the plug holder can be moved linearly and rotationally relative to the housing. The housing can be sealingly attached to a portion of the valve, the valve can be opened, and the plug holder with a threaded plug magnetically engaged thereto lowered through the valve. The rod can be rotated from outside the housing to thread the plug into the threaded hole in the pipeline.
    Type: Application
    Filed: February 22, 2010
    Publication date: September 23, 2010
    Inventors: G. Gregory Penza, Dennis Teehan, Hermann H. Herrlich, George Lohr
  • Patent number: 6820636
    Abstract: A plumbing tool and its method of use are disclosed wherein the plumbing tool includes a tube for insertion into a pipe beyond an area of such pipe that is to be soldered, such tube having an inflatable balloon structure at one end thereof. After the tube is inserted in the pipe and the balloon structure is positioned at the location where fluid stoppage is desired, the balloon structure is inflated to allow for soldering operations to be completed. A water bypass can be disposed within such tube for directing any fluid flow to the exterior of the pipe.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: November 23, 2004
    Inventor: Tai Kien
  • Patent number: 6745795
    Abstract: A method of sealing a pipe and a device for sealing the pipe which prevents gas leakage out of a pipe stub plugged by a stopper disposed in a tee fitting, to allow a permanent cap to be welded onto the pipe. The device comprises an expandable plug comprising a pair of plates with a sealing member disposed between the plates. The plates can be squeezed together, for example by tightening nuts onto bolts extending through the plates to compress the sealing member and cause the periphery of the sealing member to expand against the inner wall of the pipe. Stabilizing means, for example a nut having a reverse thread and a complimentary tool, is provided for stabilizing the expandable plug radially within the pipe as the plates are squeezed together. The expandable plug is inserted into the pipe stub after the bypassed section of pipe has been removed, and lodged in the pipe by squeezing the plates together to expand the sealing member against the inner wall of the pipe stub.
    Type: Grant
    Filed: November 21, 2002
    Date of Patent: June 8, 2004
    Assignee: Enbridge Gas Distribution Inc.
    Inventor: John W. McGivery
  • Patent number: 6581620
    Abstract: A method and apparatus for repairing a valve, the valve being attached to a tank, the method including steps of providing a valve tool having a rigid tube and having an elastic air bladder, such bladder having a port, the port being connected to the tube, the valve tool further having a check valve; opening the valve in need of repair; extending the valve tool into such valve; injecting air into the rigid tube, causing the bladder to seal against the tank; detaching and withdrawing such valve; repairing such valve; reattaching such valve; opening the check valve to break the seal; and withdrawing the valve tool.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: June 24, 2003
    Inventors: Dennis Babcock, Randal Lyon
  • Patent number: 6263896
    Abstract: A pressure flow stop for temporarily blocking flow of water from a main water supply line to a residence or business, in order to facilitate replacement of a damaged, defective or deteriorated water shutoff valve, or “curbstop”, of the residence or business. In a preferred embodiment the pressure flow stop is characterized by an elongated, typically cylindrical stem housing which is removably attached to the damaged, defective or deteriorated shutoff valve after the shutoff valve is closed and the water meter is removed from the shutoff valve, respectively. An elongated, flexible stem, terminated by an inflatable balloon, is slidably disposed in the stem housing, and the shutoff valve is opened to facilitate extension of the balloon end of the stem from the housing through the shutoff valve and into the water source pipe leading from the main water line.
    Type: Grant
    Filed: May 23, 2000
    Date of Patent: July 24, 2001
    Inventor: Joe L. Williams
  • Patent number: 6257266
    Abstract: A method and apparatus for the in situ repair or replacement of a pipeline, such as, a natural gas pipeline is made up of a transition fitting having a tubular section with means for temporarily sealing off that section, an expansion tool having an elongated handle control and an expandable portion insertable through the transition fitting and into an upstream pipeline to form a seal which prevents the escape of gas from the pipeline while one end of the transition fitting is being joined to the upstream pipeline. After the expandable portion is removed from the pipeline and the transition fitting, the tubular section of the transition fitting is sealed to prevent the escape of gas into the atmosphere as the fitting is being joined with the downstream or replacement pipeline. Once joined, the seal on the transition fitting is removed and the gas in the pipeline is free to flow through the pipeline.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: July 10, 2001
    Inventor: Samuel A Valdez