Patents by Inventor Lodewijk J. Boyen

Lodewijk J. Boyen 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: 5029519
    Abstract: The food cooking utensil comprises a vessel (2) which is intended to contain the foods to be cooked in a liquid and is provided with a lid (31), at least one opening (23) for the admission of air into a space, at least one outlet opening (24) for the air introduced into the space, and means (25) for producing a current of air between said inlet opening or openings and said outlet opening or openings.The utensil according to the invention is characterized in that at least a part of said space (22) is bounded by two walls (32, 33) of the lid (31) which are spaced apart so that the air circulating in said space (22) through the action of said means (25) absorbs heat and lowers the temperature of the lid (31).
    Type: Grant
    Filed: May 16, 1989
    Date of Patent: July 9, 1991
    Assignee: ITT Industries Belgium S.A.
    Inventor: Lodewijk J. Boyen