Patents by Inventor Jack L. Jenkins

Jack L. Jenkins 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 exchanger for contaminated water
    Patent number: 4266601
    Abstract: A heat exchanger for cooling contaminated liquids causing precipitation of olid matter on cold walls. Waste water at high temperature containing contaminants in the form of sludge and in solution is pumped through the annular space between two concentric cylindrical tanks. Cooling water is circulated through the tanks on either side of the annular space while scraping devices rotate about the annular space preventing buildup of precipitate on the annular space walls.
    Type: Grant
    Filed: September 13, 1979
    Date of Patent: May 12, 1981
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Jack L. Jenkins