Patents by Inventor Randal Lyon

Randal Lyon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for repairing or replacing valves
    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
  • Method and apparatus for repairing or replacing valves
    Publication number: 20020134430
    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: Application
    Filed: March 21, 2001
    Publication date: September 26, 2002
    Inventors: Dennis Babcock, Randal Lyon