Patents by Inventor Paul J. Koelbel

Paul J. Koelbel 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).

  • Positional lock for carrier assembly of breech-loaded weapon
    Patent number: 8813629
    Abstract: A breech assembly for a weapon may include a breech ring and a carrier fixed to a shaft. The shaft may be rotatably mounted to the breech ring. A breech block may be fixed to the carrier and insertable into and out of an opening in the breech ring by rotating the shaft. A notch may be formed in an end of the shaft. A lock may be translatably disposed in the breech ring and translatable into and out of the notch in the end of the shaft. Translation of the lock into the notch may rotatably lock the shaft with respect to the breech ring.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: August 26, 2014
    Assignee: The United States of America as Represented by the Secretary of the Army
    Inventors: Edward W. Holmes, Wayland P. Barber, Leslie C. Blahut, Paul J. Koelbel