Patents by Inventor William J. Boan

William J. Boan 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: 4606775
    Abstract: The method of washing articles in an automatic dishwasher includes the steps:(a) providing a first volume of a first treating component for use in the dishwasher,(b) providing a second volume of a second treating component in close transported association with the first volume, but isolated therefrom, for presentation at the time of use of said first component,(c) one of said first and second components consisting essentially of nonionic surfactant, and the other of said first and second components consisting essentially of chlorine release agent, and(d) separating some of said second component from said close association with the first component and employing same in the dishwasher at the time of adding said first component to the dishwasher.
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: August 19, 1986
    Assignee: Purex Corporation
    Inventors: Ronald A. Robinson, William J. Boan, George D. Evans
  • Patent number: 4501499
    Abstract: An agglomerator includes:(a) a drum having a longitudinal axis, and structure for supporting and rotating the drum about that axis,(b) feed apparatus extending axially within the drum for feeding flowable material into the drum for longitudinal distribution and tumbling therein,(c) rods carried by the drum to extend generally longitudinally therein, certain rods located closer to said axis than other rods, the rods distributed about said axis, and(d) liquid spray apparatus within the drum for spraying liquid into the flowable material tumbling within the drum interior.
    Type: Grant
    Filed: September 15, 1983
    Date of Patent: February 26, 1985
    Assignee: Purex Corporation
    Inventors: William J. Boan, Robert D. Coomes