Patents by Inventor Paul H. Bowdle

Paul H. Bowdle 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: 4155846
    Abstract: A process and apparatus for chromatic separation of components by flowing fluid in contact with material wherein the fluid flows downwardly through a column comprising a plurality of contacting chambers each of which contain material to be contacted, and wherein each of the chambers are selectively subjected to treatment by said fluid, the material preferably comprising adsorptive, gel or ion exchange substances, or the like, and filtration material for purification and as a continuous or discontinuous process.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: May 22, 1979
    Inventors: Leo J. Novak, Paul H. Bowdle