Patents by Inventor Lisa K. Koivisto

Lisa K. Koivisto 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).

  • Single crystal seed
    Patent number: 7810547
    Abstract: A single crystal seed for use in casting a single crystal article, consisting essentially of, in weight %, about 5.0% to about 40.0% Mo, up to 0.1% C and balance essentially Ni wherein the seed is disposed in a casting mold for casting a single crystal article.
    Type: Grant
    Filed: July 20, 2009
    Date of Patent: October 12, 2010
    Assignee: Howmet Research Corporation
    Inventors: Steven T. Schaadt, Brad J. Murphy, Lisa K. Koivisto
  • Single crystal seed
    Publication number: 20100058977
    Abstract: A single crystal seed for use in casting a single crystal article, consisting essentially of, in weight %, about 5.0% to about 40.0% Mo, up to 0.1% C and balance essentially Ni.
    Type: Application
    Filed: July 20, 2009
    Publication date: March 11, 2010
    Inventors: Steven T. Schaadt, Brad J. Murphy, Lisa K. Koivisto
  • Single crystal seed
    Patent number: 7575038
    Abstract: A single crystal seed for use in casting a single crystal article, consisting essentially of, in weight %, about 5.0% to about 40.0% Mo, up to 0.1% C and balance essentially Ni.
    Type: Grant
    Filed: June 11, 2001
    Date of Patent: August 18, 2009
    Assignee: Howmet Research Corporation
    Inventors: Steven T. Schaadt, Brad J. Murphy, Lisa K. Koivisto
  • Single crystal seed
    Publication number: 20020185247
    Abstract: A single crystal seed for use in casting a single crystal article, consisting essentially of, in weight %, about 5.0% to about 40.0% Mo, up to 0.1% C and balance essentially Ni.
    Type: Application
    Filed: June 11, 2001
    Publication date: December 12, 2002
    Inventors: Steven T. Schaadt, Brad J. Murphy, Lisa K. Koivisto