Patents by Inventor Dirk Ellis

Dirk Ellis 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).

  • Liquid cleaning apparatus for cleaning printed circuit boards
    Patent number: 7951244
    Abstract: A method and apparatus for cleaning printed circuit boards are provided. The method includes providing a cleaning apparatus with a housing having a conveyance mechanism for carrying printed circuit boards through the housing. The cleaning apparatus has at least a prewash station, a wash station and a final rinse station therein. The printed circuit boards are carried on the conveyance mechanism to the prewash station. A plurality of fluidic oscillator nozzles of the prewash station are utilized to direct liquid onto the printed circuit boards. Each fluidic oscillator nozzle outputs a stream of liquid with an instantaneous direction that oscillates back and forth relative to a nozzle axis over time.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: May 31, 2011
    Assignee: Illinois Tool Works Inc.
    Inventors: Eric Becker, Dirk Ellis
  • LIQUID CLEANING APPARATUS FOR CLEANING PRINTED CIRCUIT BOARDS
    Publication number: 20090178695
    Abstract: A method and apparatus for cleaning printed circuit boards are provided. The method includes providing a cleaning apparatus with a housing having a conveyance mechanism for carrying printed circuit boards through the housing. The cleaning apparatus has at least a prewash station, a wash station and a final rinse station therein. The printed circuit boards are carried on the conveyance mechanism to the prewash station. A plurality of fluidic oscillator nozzles of the prewash station are utilized to direct liquid onto the printed circuit boards. Each fluidic oscillator nozzle outputs a stream of liquid with an instantaneous direction that oscillates back and forth relative to a nozzle axis over time.
    Type: Application
    Filed: January 11, 2008
    Publication date: July 16, 2009
    Applicant: ILLINOIS TOOL WORKS INC.
    Inventors: Eric Becker, Dirk Ellis