Patents by Inventor Ranya C. Hibbler

Ranya C. Hibbler 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).

  • Method and apparatus for operating a downdraft cooking vapor withdrawal systems
    Patent number: 5742031
    Abstract: A downdraft cooktop includes an electrical switch having a plurality of cooking rate selections, a vapor withdrawal opening formed in the cooktop adjacent a grill element, a vapor withdrawal duct below and in communication with the withdrawal opening and with a withdrawal fan, an electric motor for driving the withdrawal fan, and a fan control switch for varying rates of operation of the fan. The withdrawal fan is operable for downdraft withdrawal of cooking vapors resulting from operation of the grill element. Grill operation is sensed and during grill operation, the fan control switch is bypassed and the electrical fan motor is operated at a high rate for vapor withdrawal.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: April 21, 1998
    Assignee: Maytag Corporation
    Inventors: Paul H. Kelly, Ranya C. Hibbler
  • Method and apparatus for operating a downdraft cooking vapor withdrawal system
    Patent number: 5619982
    Abstract: A downdraft cooktop includes an electrical switch having a plurality of cooking rate selections, a vapor withdrawal opening formed in the cooktop adjacent a grill element, a vapor withdrawal duct below and in communication with the withdrawal opening and with a withdrawal fan, an electric motor for driving the withdrawal fan, and a fan control switch for varying rates of operation of the fan. The withdrawal fan is operable for downdraft withdrawal of cooking vapors resulting from operation of the grill element. Grill operation is sensed and during grill operation, the fan control switch is bypassed and the electrical fan motor is operated at a high rate for vapor withdrawal.
    Type: Grant
    Filed: July 31, 1995
    Date of Patent: April 15, 1997
    Assignee: Maytag Corporation
    Inventors: Paul H. Kelly, Ranya C. Hibbler