Patents by Inventor Donald R. Krueger

Donald R. Krueger 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).

  • Patent number: 5471764
    Abstract: An oven for drying the sealing compound on beverage and food can ends utilizes a prior art serpentine track along which a line of abutting can ends is conveyed through a drying chamber in which heated drying air is directed against the edges of the can ends through a plurality of linear nozzles. The improved apparatus of the present invention utilizes a drying chamber which substantially surrounds the track and includes a plurality of nozzles which direct a substantially uniform flow of drying air against all sides of the line of can ends. The improved apparatus is particularly effective in drying lining compounds on steel food can ends, but is suitable as well for the treatment of aluminum beverage can ends.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: December 5, 1995
    Assignee: Oven Systems, Inc.
    Inventor: Donald R. Krueger