Patents by Inventor Linda R. Crenshaw

Linda R. Crenshaw 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).

  • Tumble medium and method for surface treatment
    Patent number: 6299509
    Abstract: A tumble medium for surface treatment of an article having a first radiographic signature comprises material having a second radiographic signature different from the first radiographic signature sufficient to enable radiographic detection of the material as distinct from the article. The tumble medium is used in a method for treatment of a surface of an article including there through openings communicating with an interior of the article. After tumbling, the article is inspected by radiography to detect any tumble medium within the interior of the article.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: October 9, 2001
    Assignee: General Electric Company
    Inventors: Gary E. Wheat, Robert K. Patterson, Linda R. Crenshaw, Jon C. Schaeffer
  • Tumble medium and method for surface treatment
    Publication number: 20010007807
    Abstract: A tumble medium for surface treatment of an article having a first radiographic signature comprises material having a second radiographic signature different from the first radiographic signature sufficient to enable radiographic detection of the material as distinct from the article. The tumble medium is used in a method for treatment of a surface of an article including there through openings communicating with an interior of the article. After tumbling, the article is inspected by radiography to detect any tumble medium within the interior of the article.
    Type: Application
    Filed: January 19, 2001
    Publication date: July 12, 2001
    Inventors: Gary E. Wheat, Robert K. Patterson, Linda R. Crenshaw, Jon C. Schaeffer
  • Tumble medium and method for surface treatment
    Patent number: 6220947
    Abstract: A tumble medium for surface treatment of an article having a first radiographic signature comprises material having a second radiographic signature different from the first radiographic signature sufficient to enable radiographic detection of the material as distinct from the article. The tumble medium is used in a method for treatment of a surface of an article including there through openings communicating with an interior of the article. After tumbling, the article is inspected by radiography to detect any tumble medium within the interior of the article.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: April 24, 2001
    Assignee: General Electric Company
    Inventors: Gary E. Wheat, Robert K. Patterson, Linda R. Crenshaw, Jon C. Schaeffer