Patents by Inventor Christopher Sieradzki

Christopher Sieradzki 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).

  • Boring riser holes in a graphite mold
    Patent number: 6719502
    Abstract: A drill press is provided that is specially adapted for drilling openings into a cylindrical block. The cylindrical block is placed on an indexing plate that is circular and capable of rotational movement on the drill press table around the center axis of the cylindrical block and indexing plate. An indexing plate support is used to help precisely rotate the indexing plate. The drill press can drill a plurality of openings through the cylindrical block at the same radial distance from the center axis of the block without need to move the drill spindle.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: April 13, 2004
    Assignee: AMSTED Industries Inc.
    Inventor: Christopher Sieradzki
  • Boring riser holes in a graphite mold
    Publication number: 20030194284
    Abstract: A drill press is provided that is specially adapted for drilling openings into a cylindrical block. The cylindrical block is placed on an indexing plate that is circular and capable of rotational movement on the drill press table around the center axis of the cylindrical block and indexing plate. An indexing plate support is used to help precisely rotate the indexing plate. The drill press can drill a plurality of openings through the cylindrical block at the same radial distance from the center axis of the block without need to move the drill spindle.
    Type: Application
    Filed: April 16, 2002
    Publication date: October 16, 2003
    Inventor: Christopher Sieradzki
  • Method and apparatus for positioning and testing railroad wheels
    Patent number: 4679447
    Abstract: Method and apparatus for gauging railroad wheels for warpage and rotundity and tape size wherein each wheel is received in an upright posture, where it is weighed, and then turned and lowered to rest horizontally on cushioned rotatable supports where it is gauged while being rotated about its axis by projecting light across its surfaces.
    Type: Grant
    Filed: January 13, 1986
    Date of Patent: July 14, 1987
    Assignee: Amsted Industries Incorporated
    Inventors: Christopher Sieradzki, Lyman W. Jeffreys