Patents by Inventor Joseph A. Knoedler

Joseph A. Knoedler 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).

  • Exhaust fan with dry lubricant coating
    Patent number: 6050258
    Abstract: An upblast exhaust fan for commercial kitchens is constructed with components that are coated with a dry lubricant. The non-stick surfaces that collect grease condensed from the hot cooking gases are easily cleaned with hot water during routine maintenance.
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: April 18, 2000
    Assignee: Greenheck Fan Corporation
    Inventors: Emery W. Neitzel, Arnold S. Heil, David C. Dahl, Joseph A. Knoedler
  • Exhaust fan with dry lubricant coating
    Patent number: 5809993
    Abstract: An upblast exhaust fan for commercial kitchens is constructed with components that are coated with a dry lubricant. The non-stick surfaces that collect grease condensed from the hot cooking gases are easily cleaned with hot water during routine maintenance.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: September 22, 1998
    Assignee: Greenheck Fan Corporation
    Inventors: Emery W. Neitzel, Arnold S. Heil, David C. Dahl, Joseph A. Knoedler