Patents by Inventor Hubert P. Hatfield

Hubert P. Hatfield 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).

  • Portable egg transporting unit
    Patent number: 4141320
    Abstract: This apparatus is particularly adapted for transporting eggs and at the same time keeping the eggs incubated while they are being transported. The apparatus has a cabinet which has a thermostatically controlled heating unit, a moisture laden pad, a fan for circulating the air within the cabinet, a motor operatable on either a regular automobile 12 volt battery current or regular 120 volt house current for operating the heating unit and the fan. Within the cabinet is a tray having openings therethrough through which the moisture laden air may move about one or more egg carrying containers positioned on the tray.
    Type: Grant
    Filed: September 29, 1976
    Date of Patent: February 27, 1979
    Inventor: Hubert P. Hatfield