Patents by Inventor Richard Leiske

Richard Leiske 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).

  • Stencil cleaning apparatus
    Patent number: 6036787
    Abstract: An adapter for converting an existing under screen cleaning apparatus from one which uses a solvent to a solventless under screen cleaning apparatus. The adapter fits within the vacuum channel and between the blades of a known under screen cleaning apparatus. The adapter extends above the top edges of the blades and provides a top surface with at least three lands and a plurality of slots. An interior hole within the adapter connects the slots with a vacuum outlet of the vacuum channel. Optionally, suction is applied to the slots by pumping air from the vacuum outlet.
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: March 14, 2000
    Assignee: DEK Printing Machines, Ltd.
    Inventors: Ricky Bennett, Richard Leiske