Patents by Inventor Mark F. Bartholomew

Mark F. Bartholomew 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).

  • FORMING A CAST COMPONENT WITH AGITATION
    Publication number: 20110186258
    Abstract: A method of forming a cast component includes at least partially surrounding an investment mold in a heat-insulating packing material, feeding a molten alloy into the investment mold to provide a filled investment mold, and agitating the filled investment mold while solidifying the molten alloy.
    Type: Application
    Filed: January 29, 2010
    Publication date: August 4, 2011
    Inventors: Steven J. Bullied, John Joseph Marcin, John F. Blondin, Mark F. Bartholomew
  • Lost wax investment casting gating fixtures
    Patent number: 7866371
    Abstract: A method of forming a gating fixture for a lost wax casting process includes determining an optimal orientation of a gate in relation to a part, and forming a fixture that can repeatably be used to consistently locate the gate relative to the part. In one example, stereolithography is used to form the fixture.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: January 11, 2011
    Assignee: United Technologies Corporation
    Inventors: Timothy P. Hasselberg, Lea D. Kennard, Carl R. Verner, Steven J. Bullied, Mark F. Bartholomew
  • Tank screening device for use in automated cleaning of investment casting slurry tanks
    Patent number: 7708898
    Abstract: A system for removing particles from a slurry tank includes a filtering device and a controller. The filtering device collects and removes particles deposited within the slurry tank and the controller controls the placement and movement of the filtering device with respect to the slurry tank.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: May 4, 2010
    Inventors: Mario P. Bochiechio, Gary M. Tamiso, David R. Scott, Mark F. Bartholomew
  • Systems and Methods Involving Pattern Molds
    Publication number: 20090146341
    Abstract: System and methods involving pattern molds are provided. In this regard, a representative system includes a mold assembly unit having a movable fixture holder operative to engage a portion of a pattern mold and position the pattern mold for assembly.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 11, 2009
    Applicant: UNITED TECHNOLOGIES CORP.
    Inventors: Timothy P. Hasselberg, Carl R. Verner, Steven J. Bullied, Mark F. Bartholomew
  • LOST WAX INVESTMENT CASTING GATING FIXTURES
    Publication number: 20090065168
    Abstract: A method of forming a gating fixture for a lost wax casting process includes determining an optimal orientation of a gate in relation to a part, and forming a fixture that can repeatably be used to consistently locate the gate relative to the part. In one example, stereolithography is used to form the fixture.
    Type: Application
    Filed: September 12, 2007
    Publication date: March 12, 2009
    Inventors: Timothy P. Hasselberg, Lea D. Kennard, Carl R. Verner, Steven J. Bullied, Mark F. Bartholomew
  • Tank screening device for use in automated cleaning of investment casting slurry tanks
    Publication number: 20080023413
    Abstract: A system for removing particles from a slurry tank includes a filtering device and a controller. The filtering device collects and removes particles deposited within the slurry tank and the controller controls the placement and movement of the filtering device with respect to the slurry tank.
    Type: Application
    Filed: July 27, 2006
    Publication date: January 31, 2008
    Applicant: United Technologies Corporation
    Inventors: Mario P. Bochiechio, Gary M. Tamiso, David R. Scott, Mark F. Bartholomew