Patents by Inventor John R. Hochwalt

John R. Hochwalt 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).

  • Protective flight helmet
    Patent number: 4035845
    Abstract: A helmet, for flight personnel, having a conventional custom-molded energy absorbing liner member with a penetration resistant mid-liner member covering the energy absorbing liner. A leather outer cover fits over the mid-liner member. A visor is secured to the helmet with a stretch type material. Earphone earcups are secured to the inner surface of the leather cover by means of hook and loop fasteners. An impact protection material is secured to the leather cover with hook and loop fasteners at a position corresponding to the nape area of the wearer.
    Type: Grant
    Filed: September 16, 1976
    Date of Patent: July 19, 1977
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: John R. Hochwalt