Patents by Inventor Charles H. Kinloch

Charles H. Kinloch 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).

  • Vacuum-assisted gravity pour casting apparatus
    Patent number: 5358027
    Abstract: A vacuum-assisted gravity pour casting apparatus (10) has a vacuum housing (12) with a fixed top portion (14) and a moveable bottom portion (16). A lower portion (80) of a filling vessel (62) extends through an opening (30) in the top portion (14) and seals the opening (30) against leakage. The bottom housing portion (16) is supported on a scissors-lift mechanism (48) which lowers and raises the bottom portion (16) to open and close the chamber (20) for cycling molds into and out of the chamber (20). A stopper rod (86) controls the flow of molten metal (M) through a bottom nozzle (70) and into the mold.
    Type: Grant
    Filed: March 5, 1993
    Date of Patent: October 25, 1994
    Assignee: CMI International
    Inventors: Douglas R. Callihan, Mark A. Cassel, Charles H. Kinloch, Jesse M. Raver