Patents by Inventor Harold Donald Anderson

Harold Donald Anderson 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: 6358409
    Abstract: An apparatus for skimming a layer of oil from an aqueous surface which includes a body portion having a horizontal opening. There is a collection tube secured to the opening and a suction tube having a lower end located in said collection tube. The body portion has a float secured thereto and has a guide element extending through the float.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: March 19, 2002
    Assignee: Safety-Kleen Systems, Inc.
    Inventors: William L. Jacoby, Jr., Harold Donald Anderson, Thomas J. Danowski