Patents by Inventor Francis Thomas Howells

Francis Thomas Howells 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).

  • Automatic article immersion apparatus
    Patent number: 3976028
    Abstract: The apparatus comprises a stack of receptacles, side-by-side relationship article holder, receptacle moving means, including a timing device, for automatically moving receptacles out of said stack, and holder moving means, including a timing device, for automatically advancing said holder towards and, after a predetermined time, withdrawing it from a receptacle moved out of the stack whereby an article carried by the holder may be immersed, for a predetermined time, in a fluid carried by said receptacle.
    Type: Grant
    Filed: January 17, 1975
    Date of Patent: August 24, 1976
    Assignee: Newman-Howells Associates Limited
    Inventors: Francis Thomas Howells, John Maldwyn Newman