Patents by Inventor Henry A. Knuth

Henry A. Knuth 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 barbecue grill
    Patent number: 4463746
    Abstract: An easily and conveniently portable barbecue grill in which the bowl has an outwardly and upwardly extending flange around its perimeter and the lid has an outwardly extending flange around its perimeter, which flanges cooperate to produce a secure attachment between the lid and the bowl when the lid is placed on the bowl in a certain way. In the preferred embodiment, the bowl flange has two or more indentations equally spaced around its perimeter to form a number of inwardly facing reentrant portions on that flange, and the lid flange has at least one gap in its perimeter.
    Type: Grant
    Filed: August 18, 1982
    Date of Patent: August 7, 1984
    Assignee: UNR Industries, Inc.
    Inventors: Henry A. Knuth, Virgil W. Daily, III