Patents by Inventor John Daniel Alastair Harris

John Daniel Alastair Harris 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).

  • ELECTRICITY GENERATION DEVICE AND METHOD
    Publication number: 20150000280
    Abstract: The present invention relates to electricity generation devices and methods that use a cryogenic fluid such as liquid nitrogen or liquid air and a source of low grade waste heat, and means of increasing the efficiency of energy recovery from such devices by combining Rankine and Brayton cycles.
    Type: Application
    Filed: January 10, 2013
    Publication date: January 1, 2015
    Inventors: John Daniel Alastair Harris, Robert Morgan, Stephen Gareth Brett