Patents by Inventor Darwin W. Larsen

Darwin W. Larsen 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: 4903683
    Abstract: A system, including apparatus and methods, which facilitates the use of dutch ovens, usually combined with a charcoal heating source, in outdoor cooking. The first apparatus is a safe, independent, time-efficient device which quickly preheats charcoal briquettes contained in a portable hopper, accomplishing the same by means of a self-contained, transportable, propane-fueled burner. A second apparatus is a sturdy, portable cooking stand, which, in the "as used" position, provides a safe, elevated site whereupon the charcoal heating source and a plurality of dutch ovens can be conveniently placed for cooking purposes, and which, in the "as transported" position, is disassembled and may be carried facilely to more desired locations. The third apparatus is a T-handled dutch oven and dutch oven lid lifting device whereby said ovens and/or lids may be conveniently and safely removed from and replaced on the heating source.
    Type: Grant
    Filed: October 3, 1988
    Date of Patent: February 27, 1990
    Inventors: Darwin W. Larsen, Jack C. Thompson
  • Patent number: 4771735
    Abstract: A self-feeding dog feeder that has a capacity for several days feeding, constructed in such a way that the feed is protected from inadvertent contamination or loss, while still allowing easy access by the desired dog only.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: September 20, 1988
    Inventor: Darwin W. Larsen