Patents by Inventor Oyvind H. Iversen

Oyvind H. Iversen 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).

  • System and method for maintaining color density in liquid toners for an electrographic printer
    Patent number: 5963758
    Abstract: A system for substantially maintaining color density in liquid toners for electrographic printers is disclosed. The system includes means for substantially continuously supplying toner concentrate to a printer and means for substantially continuously withdrawing liquid toner from a printer into a waste flowstream. A method to achieve substantially consistent color density of liquid toner in an electrographic printing system is also disclosed.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: October 5, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Stewart H. Corn, Brett A. Behnke, Thomas A. Speckhard, Oyvind H. Iversen, Christopher J. Anton, Kenneth W. Olson
  • Color control system for electrographic printer
    Patent number: 5832334
    Abstract: A system for substantially maintaining color density in liquid toners for electrographic printers is disclosed. The system includes means for substantially continuously supplying toner concentrate to a printer and means for substantially continuously withdrawing liquid toner from a printer into a waste flowstream. A method to achieve substantially consistent color density of liquid toner in a electrographic printing system is also disclosed.
    Type: Grant
    Filed: May 15, 1997
    Date of Patent: November 3, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Stewart H. Corn, Brett A. Behnke, Thomas A. Speckhard, Oyvind H. Iversen, Christopher J. Anton, Kenneth W. Olson