Patents by Inventor Richard Kjar

Richard Kjar 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).

  • Xerographic developer unit with specialized exit port for developer material
    Publication number: 20060222411
    Abstract: In a basic design of a developer unit for electrostatographic printing apparatus, an exit port is defined in the housing of the developer unit, for the passage of waste or surplus toner therethrough. An insert, defining a predetermined spillover barrier height and a predetermined exit angle, is associated with the exit port. Different types of inserts can be provided for operating the basic design of developer unit at different print output speeds, or with different compositions of developer material.
    Type: Application
    Filed: March 29, 2005
    Publication date: October 5, 2006
    Inventors: Ajay Kumar, Jonathan Sadik, Keith Nau, David Reed, Richard Kjar