Patents by Inventor Barry Rupert Leigh

Barry Rupert Leigh 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).

  • Heat recovery means for drying apparatus
    Patent number: 4091547
    Abstract: Heat recovery means in drying apparatus such as a kiln consists of a heat exchanger located at the moist air outlet of the chamber of the drying apparatus for contact with exhaust moist air therefrom and a further heat exchanger located at the air inlet to the drying apparatus for contact of incoming air therewith, the heat exchangers being connected in circuit by pipework for the circulation of refrigerant between them in conveying heat energy by vaporized refrigerant from the heat exchanger located at the moist air outlet to that located at the inlet for transfer of said heat energy on condensation of the refrigerant to air entering the inlet.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: May 30, 1978
    Assignee: Josglade Limited
    Inventor: Barry Rupert Leigh