Patents by Inventor Marshall B. Cole

Marshall B. Cole 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).

  • Watering device for chick trays
    Patent number: 6619231
    Abstract: A watering insert [18] for chick transport trays [1A, 1B] utilizes a plurality of watering nipples [17] connected to, and communicating with, a central water tank [27]. The insert utilizes a support surface [44] along the periphery [50] of the insert for supporting the insert in the open top of the tray at a height sufficient to allow chicks to activate the watering nipples. The water tank comprises an upper removable portion [28] and a lower portion [30] containing the nipples. A vented fill cap [21] allows convenient filling of the insert tank and provides a vacuum break when the nipples are activated.
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: September 16, 2003
    Inventors: Mark D. Darby, Marshall B. Cole
  • Watering device for chick trays
    Publication number: 20030056731
    Abstract: A watering insert [18] for chick transport trays [1A, 1B] utilizes a plurality of watering nipples [17] connected to, and communicating with, a central water tank [27]. The insert utilizes a support surface [44] along the periphery [50] of the insert for supporting the insert in the open top of the tray at a height sufficient to allow chicks to activate the watering nipples. The water tank comprises an upper removable portion [28] and a lower portion [30] containing the nipples. A vented fill cap [21] allows convenient filling of the insert tank and provides a vacuum break when the nipples are activated.
    Type: Application
    Filed: July 18, 2002
    Publication date: March 27, 2003
    Inventors: Mark D. Darby, Marshall B. Cole