Patents by Inventor Robert J. Zsofka

Robert J. Zsofka 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: 6857351
    Abstract: Portable combustible fuel automatic drip coffee making apparatuses use combustible fuels such as propane, butane, white gasoline, and kerosene to heat water which can be alternatively used to make drip coffee, or for other requirements calling for heated water, depending on the selected position of a switching valve. The portability of these devices is self contained and hand transportable. The inventive units are designed to be user maintained with easily cleanable or replaceable parts, as well as designed for manufacturing. These units are configured based on the specific fuel being used, and some units are designed to be able to use a variety of fuels in the same unit.
    Type: Grant
    Filed: August 6, 2003
    Date of Patent: February 22, 2005
    Inventors: Geoffrey D. Cutter, Robert J. Zsofka
  • Publication number: 20040025702
    Abstract: Portable combustible fuel automatic drip coffee making apparatuses use combustible fuels such as propane, butane, white gasoline, and kerosene to heat water which can be alternatively used to make drip coffee, or for other requirements calling for heated water, depending on the selected position of a switching valve. The portability of these devices is self contained and hand transportable. The inventive units are designed to be user maintained with easily cleanable or replaceable parts, as well as designed for manufacturing. These units are configured based on the specific fuel being used, and some units are designed to be able to use a variety of fuels in the same unit.
    Type: Application
    Filed: August 6, 2003
    Publication date: February 12, 2004
    Inventors: Geoffrey D. Cutter, Robert J. Zsofka