Patents by Inventor Joseph Andrew Schaefer

Joseph Andrew Schaefer 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: 9835978
    Abstract: An end seal for an electrophotographic image forming device according to one example embodiment includes an elastomeric body having a blade seal portion for sealing against a rear surface of a doctor blade and a curved rotary seal portion that extends from a bottom end of the blade seal portion for sealing against an outer surface of a rotatable developer roll. The end seal includes a cutout in an inner axial side of the body positioned at a point where the rotary seal portion and the blade seal portion meet.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: December 5, 2017
    Assignee: Lexmark International, Inc.
    Inventors: Scott Richard Castle, Richard Louis Goin, Brad Edward Mattingly, Benjamin Erich Kant, Joseph Andrew Schaefer
  • Publication number: 20170082949
    Abstract: An end seal for an electrophotographic image forming device according to one example embodiment includes an elastomeric body having a blade seal portion for sealing against a rear surface of a doctor blade and a curved rotary seal portion that extends from a bottom end of the blade seal portion for sealing against an outer surface of a rotatable developer roll. The end seal includes a cutout in an inner axial side of the body positioned at a point where the rotary seal portion and the blade seal portion meet.
    Type: Application
    Filed: August 18, 2016
    Publication date: March 23, 2017
    Inventors: SCOTT RICHARD CASTLE, RICHARD LOUIS GOIN, BRAD EDWARD MATTINGLY, BENJAMIN ERICH KANT, JOSEPH ANDREW SCHAEFER
  • Patent number: 7399064
    Abstract: An ink jetting assembly includes a body, and an ink jet chip attached to the body. The ink jet chip has a mounting surface, a face surface, an ink channel extending to the face surface, and at least one actuator associated with the ink channel. The actuator includes a plurality of electrical contact pads formed on the face surface. A plurality of passageways extends through the ink jet chip from the mounting surface to the face surface. The ink jetting assembly also includes a plurality of electrodes. Each of the plurality of electrodes passes through a respective passageway of the plurality of passageways and is electrically connected to a respective contact pad of the plurality of electrical contact pads at the face surface.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: July 15, 2008
    Assignee: Lexmark International, Inc.
    Inventors: John Richard Fowler, Ganesh Vinayak Phatak, Matthew Joe Russell, Jeffrey Louis Sangalli, Joseph Andrew Schaefer, David Amos Ward