Patents by Inventor Charles Pochodyla

Charles Pochodyla 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).

  • Gravity flow isolation device
    Patent number: 7571743
    Abstract: A device for isolating at least a portion of a pipe from fluid flowing therethrough. The device having a body (1) that is at least partially insertable into the pipe. An external surface of the body is adapted to abut with an inner surface of the pipe to substantially prevent fluid flowing therethrough. At least one valve element (10) is arranged within the body (1) and is selectively openable and closable to permit fluid to flow through the body to facilitate removal of the body from the pipe.
    Type: Grant
    Filed: November 8, 2005
    Date of Patent: August 11, 2009
    Assignee: Sydney Water Corporation
    Inventor: Charles Pochodyla
  • Gravity Flow Isolation Device
    Publication number: 20080115851
    Abstract: A device for isolating at least a portion of a pipe from fluid flowing therethrough. The device having a body (1) that is at least partially insertable into the pipe. An external surface of the body is adapted to abut with an inner surface of the pipe to substantially prevent fluid flowing therethrough. At least one valve element (10) is arranged within the body (1) and is selectively openable and closable to permit fluid to flow through the body to facilitate removal of the body from the pipe.
    Type: Application
    Filed: November 8, 2005
    Publication date: May 22, 2008
    Inventor: Charles Pochodyla