Patents by Inventor Frederick Neuscheler

Frederick Neuscheler 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: 3995168
    Abstract: A device for the outside display of the level and specific density of a liquid contained within a tank, particularly for inflammable liquids, characterized by a plurality of paired light pipes having optical interface means therebetween located at intervals within a support with electrical means operable by light energy from one of the pair of light pipes being conducted thereby due to a mismatch of the index of refraction caused by an absence of fuel at the area of the optical interface to provide a display of the fluid level and/or the density of the fluid within a tank.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: November 30, 1976
    Assignee: Grumman Aerospace Corporation
    Inventors: Frederick Neuscheler, John J. Connelly