Patents by Inventor James Edwin McCann

James Edwin McCann 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).

  • Underwater method and apparatus for detecting leaks in a metallic tank or pit liner plate
    Patent number: 8573032
    Abstract: A leak detecting apparatus for detecting flaws in a surface submerged in liquid is provided that includes a vacuum head for contacting the surface and forming a vacuum chamber filled with liquid between the surface and the vacuum head, the vacuum head including a multi-surface elastomer seal for contacting the surface; and a vacuum generator for pulling gas through a flaw in the surface into the vacuum head and to the gas separation chamber so as to displace the liquid from the gas separation chamber. A method for detecting flaws in a surface submerged in liquid is also provided.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: November 5, 2013
    Assignee: Areva NP Inc
    Inventors: Gregory Jacob Denne, James Edwin McCann
  • UNDERWATER METHOD AND APPARATUS FOR DETECTING LEAKS IN A METALLIC TANK OR PIT LINER PLATE
    Publication number: 20100242576
    Abstract: A leak detecting apparatus for detecting flaws in a surface submerged in liquid is provided that includes a vacuum head for contacting the surface and forming a vacuum chamber filled with liquid between the surface and the vacuum head, the vacuum head including a multi-surface elastomer seal for contacting the surface; and a vacuum generator for pulling gas through a flaw in the surface into the vacuum head and to the gas separation chamber so as to displace the liquid from the gas separation chamber. A method for detecting flaws in a surface submerged in liquid is also provided.
    Type: Application
    Filed: March 26, 2010
    Publication date: September 30, 2010
    Applicant: AREVA NP INC
    Inventors: Gregory Jacob Denne, James Edwin McCann