Patents by Inventor Eugene R. Warndorf

Eugene R. Warndorf 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).

  • Indicator device for compressed air systems
    Patent number: 4999035
    Abstract: A device for indicating humidity in a line. A T-fitting has a cross bar portion connected in series with the line. An upright portion of the T-fitting extends outwardly from the cross bar portion. A hollow indicator body is mounted on the upright portion with a bore in the upright portion in communication with the hollow interior of the body. An end portion of the hollow interior of the body is exposed behind a transparent plate. A chamber is formed in the hollow interior of the body, and a humidity sensitive pad in the chamber is visible through the transparent panel.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: March 12, 1991
    Assignee: American Dry Air Products Company, Inc.
    Inventor: Eugene R. Warndorf