Patents by Inventor Jerry Tappa

Jerry Tappa 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).

  • Method of removing adsorbent contaminants from electrical apparatus
    Patent number: 4483717
    Abstract: A novel process for the removal of Polychlorinated Biphenyls (PCBs) and other adsorbed material from electrical apparatus to limit residual contamination to be less than a predetermined level; the process includes the steps for removal of the bulk fluid, subsequent solvent wash, repeated contact with penetrating solvent vapor, and cooling solvent soaks, with continuous solvent recovery.
    Type: Grant
    Filed: October 8, 1981
    Date of Patent: November 20, 1984
    Inventors: John H. Olmsted, Gary F. Lapp, Jerry Tappa