Patents by Inventor Gerald R. Dornfeld

Gerald R. Dornfeld 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).

  • Aircraft engine firewall seal
    Patent number: 5458343
    Abstract: An aircraft engine firewall seal includes a plurality of discrete, stacked-together sealing disks each have a central hole sized for receiving a feed-through member therethrough, with the disks being larger in outer diameter than the firewall aperture through which the feed-through member extends, and with the central holes being smaller in inner diameter than the firewall aperture. The disks are retained against the firewall by a retainer which fixedly clamps together the disks around the feed-through member for sealing gas flow through the firewall aperture.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: October 17, 1995
    Assignee: General Electric Company
    Inventors: Gerald R. Dornfeld, Donald A. Nicklas, Louis L. Bonhomme