Patents by Inventor Warren Keith Perry

Warren Keith Perry 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).

  • Devices and methods for heating pipes or tubing
    Patent number: 7976306
    Abstract: The subject invention provides devices and methods for heating pipes, tubing or similar equipment. More specifically, the subject invention pertains to devices and methods for heating pipes, tubing or similar equipment to melt-out blockages, such as for example, bitumen blockages.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: July 12, 2011
    Inventors: Warren Keith Perry, Alicia Kemper
  • DEVICES AND METHODS FOR HEATING PIPES OR TUBING
    Publication number: 20090092941
    Abstract: The subject invention provides devices and methods for heating pipes, tubing or similar equipment. More specifically, the subject invention pertains to devices and methods for heating pipes, tubing or similar equipment to melt-out blockages, such as for example, bitumen blockages.
    Type: Application
    Filed: October 5, 2007
    Publication date: April 9, 2009
    Inventors: Warren Keith Perry, Alicia Kemper