Patents by Inventor John J. Cochrane

John J. Cochrane 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).

  • Liquid treating system
    Patent number: 4211656
    Abstract: A liquid treating system having a tank with a multiplicity of cells, the bottom of each cell converging downwardly toward a drain, and means for backwashing one or more of the cells while the remaining cells continue treating the liquid. Also described are a barrier for separating the cells and a kit for making the barrier.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: July 8, 1980
    Inventor: John J. Cochrane