Patents by Inventor Ohannes G. Mangoyan

Ohannes G. Mangoyan 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).

  • Method and system for casting metal
    Patent number: 9114452
    Abstract: A metal casting riser sleeve system includes a cope mold portion and an outer riser sleeve portion positioned in the cope mold portion. The outer riser sleeve portion encloses a central outer riser sleeve portion passageway between an outer riser sleeve portion bottom end and top end. The system also includes an inner riser sleeve portion that forms a central inner riser sleeve portion passageway between an inner riser sleeve portion bottom end and top end. The inner riser sleeve portion is slidably positioned within the outer riser sleeve portion passageway. The inner riser sleeve portion is operable to slide upward such that the inner riser sleeve portion top end is above the outer riser sleeve portion top end and such that a riser sleeve system passageway is formed between the inner riser sleeve portion top end and the outer riser sleeve portion bottom end.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: August 25, 2015
    Assignee: McConway & Torley, LLC
    Inventor: Ohannes G. Mangoyan
  • Method and System for Casting Metal
    Publication number: 20150107795
    Abstract: A metal casting riser sleeve system includes a cope mold portion and an outer riser sleeve portion positioned in the cope mold portion. The outer riser sleeve portion encloses a central outer riser sleeve portion passageway between an outer riser sleeve portion bottom end and top end. The system also includes an inner riser sleeve portion that forms a central inner riser sleeve portion passageway between an inner riser sleeve portion bottom end and top end. The inner riser sleeve portion is slidably positioned within the outer riser sleeve portion passageway. The inner riser sleeve portion is operable to slide upward such that the inner riser sleeve portion top end is above the outer riser sleeve portion top end and such that a riser sleeve system passageway is formed between the inner riser sleeve portion top end and the outer riser sleeve portion bottom end.
    Type: Application
    Filed: October 21, 2013
    Publication date: April 23, 2015
    Inventor: Ohannes G. Mangoyan