Patents by Inventor Wade E. Ballard

Wade E. Ballard 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).

  • Bag filter apparatus
    Patent number: 4149863
    Abstract: A fiberglass bag filtering unit adapted for use in filtering gaseous streams containing suspended solid particulates wherein a reverse flow of compressed air is utilized during the cleaning cycle, said unit featuring the advantage of being conveniently adjustable to provide a requisite degree of cloth tension without causing excessive stress conditions to occur at any part of the bag where retained by the support elements of the unit.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: April 17, 1979
    Assignee: Ashland Oil, Inc.
    Inventor: Wade E. Ballard