Patents Represented by Attorney Chapman and Culter LLP

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  • Portable heat transfer apparatus
    Patent number: 7975657
    Abstract: The present invention relates to a portable heat transfer apparatus designed to supply heat to an external heat load, such as a space-heating unit or a heating garment, in a manner to be usable in outdoor and other environments where it is difficult to receive a supply of electricity or fuel gas, and allows a ratio of LPG and air to be controlled so as to perform combustion in desirable conditions.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: July 12, 2011
    Inventor: Kenji Okayasu