Patents by Inventor William L. Reich

William L. Reich 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).

  • Relative humidity sensing apparatus
    Patent number: 5345821
    Abstract: A relative humidity sensor includes a printed circuit board having a central passageway therethrough and a dielectric film extending across the passageway with electrodes mounted on that portion of the film in the passageway so as to generate a capacitance which will vary directly with the amount of moisture content in the film.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: September 13, 1994
    Assignee: A.I.R., Inc.
    Inventors: William L. Reich, David B. Call