Patents by Inventor Frank S. Nenstiel

Frank S. Nenstiel 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).

  • Patent number: 5253695
    Abstract: A light blocking interior curtain for a vehicle windshield and side door windows that requires no periphery hardware or other fasteners that attach to the vehicle interior. The device is made of a flexible curtain material which covers the windshield and side door windows. The material covering the windshield portion, forms two horizontally aligned slits which allow the vehicle's existing sun visors to pass through and support the curtain. The slits are fitted with a visor pocket structure that encloses the sun visor and provides added support and strength to the curtain. The end portions of the curtain are fitted with horizontal protrusions attached to the outside facing surface and provide support for the side door window portion when held firmly between the glass and the door frame when the window is raised.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: October 19, 1993
    Inventor: Frank S. Nenstiel
  • Patent number: 5201480
    Abstract: A restraint device for an aircraft having a plurality of covered wheels with tires thereon, comprised of a base plate upon which is mounted a vertical restraint member attached to the side portion of the base plate. Positioned atop the vertical restraint is a landing gear strut attachment fitting which accepts the landing gear strut while adequately clearing the wheel fairing device.
    Type: Grant
    Filed: August 27, 1991
    Date of Patent: April 13, 1993
    Inventor: Frank S. Nenstiel
  • Patent number: 4936420
    Abstract: A restraining device for an aircraft with wheels having tires thereon, comprised of a base plate upon which is mounted a restraint members to prevent movement of the tire when it is positioned on the base plate. The restraint members are hinged on one side of the base plate to allow for opening and closing. This movement is an arc laterally across the base plate. The restraint members in the closed position are secured to the base plate by latches mounted on the base plate located laterally across from the hinges.
    Type: Grant
    Filed: June 5, 1989
    Date of Patent: June 26, 1990
    Inventor: Frank S. Nenstiel
  • Patent number: RE35080
    Abstract: A light blocking interior curtain for a vehicle windshield and side door windows that requires no periphery hardware or other fasteners that attach to the vehicle interior. The device is made of a flexible curtain material which covers the windshield and side door windows. The material covering the windshield portion, forms two horizontally aligned slits which allow the vehicle's existing sun visors to pass through and support the curtain. The slits are fitted with a visor pocket structure that encloses the sun visor and provides added support and strength to the curtain. The end portions of the curtain are fitted with horizontal protrusions attached to the outside facing surface and provide support for the side door window portion when held firmly between the glass and the door frame when the window is raised.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: November 7, 1995
    Inventor: Frank S. Nenstiel