Patents by Inventor Henry Ford Harding Wigton

Henry Ford Harding Wigton 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).

  • Granular filter
    Patent number: 4035170
    Abstract: A continuously regenerating granular filter operable at high temperature and pressure includes a filter chamber with a gas inlet and gas outlet. A filter bed in the chamber located between the gas inlet and gas outlet is adapted to hold a filter medium and permit gas to flow therethrough. The filter bed includes inlet means and outlet means for enabling the filter medium to move through the filter bed. The filter also includes filter medium cleaning means for cleaning the filter medium. Filter medium transport means operates to transport the filter means from the outlet means, through the cleaning means and to the inlet means.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: July 12, 1977
    Assignee: The United States of America as represented by the Administrator of Environmental Protection Agency
    Inventors: Dean Everett Lear, Jr., Alan Howard Schmid, Henry Ford Harding Wigton