Patents by Inventor Patricia Ann Charles

Patricia Ann Charles 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).

  • Process for masking turbine components during vapor phase diffusion coating
    Patent number: 6821564
    Abstract: Apparatus and method to improve vapor phase diffusion coating of articles. The apparatus provides a barrier to segregate the portion of the article requiring coating from the portion of the article not requiring coating. The fixture is reusable, being unaffected by the coating gases. The fixture reduces the exposure of the coating gases with the portion of the article not requiring coating. By use of an optional seal, the portion of the article not requiring coating can be isolated from the coating gases.
    Type: Grant
    Filed: April 25, 2003
    Date of Patent: November 23, 2004
    Assignee: General Electric Company
    Inventors: Nripendra Nath Das, Raymond William Heidorn, Thomas Edward Mantkowski, Patricia Ann Charles
  • Apparatus and process for masking turbine components during vapor phase diffusion coating
    Publication number: 20040005409
    Abstract: Apparatus and method to improve vapor phase diffusion coating of articles. The apparatus provides a barrier to segregate the portion of the article requiring coating from the portion of the article not requiring coating. The fixture is reusable, being unaffected by the coating gases. The fixture reduces the exposure of the coating gases with the portion of the article not requiring coating. By use of an optional seal, the portion of the article not requiring coating can be isolated from the coating gases.
    Type: Application
    Filed: April 25, 2003
    Publication date: January 8, 2004
    Applicant: General Electric Company
    Inventors: Nripendra Nath Das, Raymond William Heidorn, Thomas Edward Mantkowski, Patricia Ann Charles