Patents by Inventor William J. Beckman

William J. Beckman 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: 4929349
    Abstract: Disclosed herein is a bio-filtration system that provides excellent solids removal and carbonaceous B.O.D. and ammonia nitrogen removal and which comprises in combination a tank, wedge wire panels disposed horizontally therein, a fixed film media reactor with vertical channels therein, and means for introducing effluent to be treated into said tank whereby said effluent flow upwardly through said fixed film media reactor and then through said wedge wire panels.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: May 29, 1990
    Inventor: William J. Beckman
  • Patent number: 4190543
    Abstract: Disclosed herein is a waste water treatment apparatus and process especially adapted for tertiary treatment of sewage wherein a plurality of biological media panels are positioned in a treatment tank in a manner such that the formation of a stable mat or film composed of solids is established thereon. Biological growth on the panels is enhanced while at the same time excessive solids build-up is avoided. Flow through the tank is directed in a generally horizontal fashion and sludge removal is accomplished by pump means.
    Type: Grant
    Filed: July 19, 1978
    Date of Patent: February 26, 1980
    Inventors: Jerard M. Pederson, William J. Beckman, Jr.
  • Patent number: 3999666
    Abstract: A machine for feeding flat articles from an end of a stack. The stack of articles is advanced to bring an end article in the stack to a pick-off station where a belt engages the end article and articles adjacent the end article to feed the articles shingle-fashion over a discriminator. As the articles approach the end of the stack, a vibrating plate engages edges of the articles to free each article from articles on opposite sides thereof.
    Type: Grant
    Filed: June 17, 1975
    Date of Patent: December 28, 1976
    Assignee: Multifold-International, Inc.
    Inventors: Allen H. Lloyd, William J. Beckman