Patents by Inventor William E. Antel

William E. Antel 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).

  • Adjustable miniature watering device
    Patent number: 5004161
    Abstract: An improved miniature watering unit is disclosed, which has a cylindrical body attached to a source of pressurized water, having one or more water discharge openings and a rotatable cap. As the cap is rotated, a stem is raised or lowered to form an arcuate orifice of variable circumferential width between the stem and the interior of the body. The adjustment in width of the orifice in turn adjusts the rate of water from the discharge openings.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: April 2, 1991
    Assignee: Antelco Pty. Ltd.
    Inventor: William E. Antel
  • Sprinkler base
    Patent number: D404463
    Type: Grant
    Filed: March 24, 1997
    Date of Patent: January 19, 1999
    Assignee: Antelco Pty. Ltd.
    Inventors: William E. Antel, Lyall John Causby, Mark Simon Ledson