Patents by Inventor Mack Harris

Mack 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).

  • Patent number: 4434026
    Abstract: System for concentrating and recovering acid comprising in combination a receptacle or storage tank for receiving and containing weak or dilute acid; an evaporating pan including a pipe connected to the receptacle or storage tank and a pump whereby acid may be delivered to the evaporating pan; a second receptacle or storage tank including a pipe connected to the evaporating pan and a pump whereby concentrated acid may be delivered to the second receptacle or storage tank; and an air drier device in the form of a tank containing acid and including an inlet through which air and water vapor may be introduced, and a pipe connection to the tank for weak or dilute acid; wherein the evaporating pan includes a heat collecting surface as a floor thereof and a lens focus top whereby heat energy from the sun's rays will heat and concentrate the acid therein by developing water vapor which is removed with air.
    Type: Grant
    Filed: February 10, 1982
    Date of Patent: February 28, 1984
    Inventor: Mack Harris
  • Patent number: 3969214
    Abstract: A generating cell for hydrogen and oxygen utilizes permanent magnets and electromagnets. Means are provided for removing gases from the electrodes. Mixing chambers are provided for water and the electrolyte used in the cell.
    Type: Grant
    Filed: May 31, 1973
    Date of Patent: July 13, 1976
    Inventor: Mack Harris