Patents by Inventor Thomas H. Beinkemper

Thomas H. Beinkemper 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).

  • Method for cleaning floor drains
    Patent number: 7246628
    Abstract: A method for controlling Listeria in floor drains wherein an aqueous solution composed of a chlorinated caustic material which is soft metal compatible is introduced into a drain where Listeria is present. In a preferred manner, the aqueous solution is introduced into the drain employing a hose end dispensing device having a foam producing nozzle. The resulting aqueous solution has a sufficient viscosity to remain in the drain for about 30 seconds to 10 minutes.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: July 24, 2007
    Assignee: JohnsonDiversey, Inc.
    Inventors: Dale Albert Grinstead, James H. Wilson, Jr., Thomas H. Beinkemper