Patents by Inventor Frank V. Onorati

Frank V. Onorati 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).

  • Apparatus and method for creating a developer housing seal via a curtain of carrier beads
    Patent number: 5138382
    Abstract: An apparatus for sealing a housing to prevent the escape of airborne material therefrom. Carrier beads are captured and suspended in a magnetic field extending across a region adapted to be sealed, forming a curtain of carrier beads for preventing the escape of airborne material, including toner particles, therepast. The carrier bead curtain is continuously collapsed and regenerated as carrier beads are captured, accumulated, and deposited into the housing.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: August 11, 1992
    Assignee: Xerox Corporation
    Inventors: Jack E. Van Duser, Ronald A. Fraser, Frank V. Onorati, Carl F. Oresick
  • Drive system
    Patent number: 4603597
    Abstract: A drive system in which a driven member is mounted on a shaft member to rotate in unison therewith. The driven member has a protrusion extending outwardly from one surface thereof. A retaining ring having an open end is mounted on the shaft member. The open end of the retaining ring meshes with the protrusion extending outwardly from the driven member so as to rotate in unison therewith.
    Type: Grant
    Filed: January 30, 1985
    Date of Patent: August 5, 1986
    Assignee: Xerox Corporation
    Inventor: Frank V. Onorati