Patents by Inventor Ray E. Medcalf

Ray E. Medcalf 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).

  • Hydrogen vent for remote terminal cabinets
    Patent number: 5668349
    Abstract: A roof vent for preventing the buildup of hydrogen gas produced by battery charging in a remote digital telephone cabinet is provided with a movable splash guard for blocking the vent outlet when impinged upon by water and/or wind, thereby preventing the entry of water into the cabinet. The vent also includes a weatherproof cover whose lower edge is formed with scallops or undulations to maintain air gaps between the cover and the cabinet roof.
    Type: Grant
    Filed: January 18, 1996
    Date of Patent: September 16, 1997
    Assignee: Hubbell Incorporated
    Inventors: James H. Durham, Wilfred L. Gleadall, Richard A. Carmichael, Ray E. Medcalf