Patents by Inventor Christopher F. Dumback

Christopher F. Dumback 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).

  • Glow plug removal tool
    Patent number: 8397608
    Abstract: A hand tool for removing a glow plug from a combustion engine includes two interconnected arms each being movable with respect to one another and each having a working end and an opposing handle portion. The hand tool may further include an extension body that has a generally tubular configuration. The extension body may have a first body portion and a second body portion wherein the first body portion extends from one of the interconnected arms and wherein the second body portion extends from the other of the interconnected arms and wherein each of the first body portion and the second body portion includes an interior surface that is threaded.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: March 19, 2013
    Assignee: The United States of America, as represented by the Secretary of the Army
    Inventor: Christopher F. Dumback
  • Glow plug removal method
    Patent number: 7779733
    Abstract: A method of removing a glow plug from a combustion engine utilizing a hand tool includeing two interconnected arms each being movable with respect to one another and each having a working end and an opposing handle portion. The hand tool may further include an extension body that has a generally tubular configuration. The extension body may have a first body portion and a second body portion wherein the first body portion extends from one of the interconnected arms and wherein the second body portion extends from the other of the interconnected arms and wherein each of the first body portion and the second body portion includes an interior surface that is threaded.
    Type: Grant
    Filed: October 2, 2008
    Date of Patent: August 24, 2010
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Christopher F. Dumback