Patents by Inventor Conrad Elmer Heiderer

Conrad Elmer Heiderer 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).

  • Bore gas evacuation device for cannons and guns
    Patent number: 4024790
    Abstract: A bore gas evacuation system for large and small caliber guns, especially en used in combat vehicles, and employing apparatus carried by the gun barrel and constructed to utilize the Coanda effect to enhance flow of ambient air through the barrel.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: May 24, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Conrad Elmer Heiderer