Patents by Inventor S. Bertil Sultan

S. Bertil Sultan 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).

  • Ink jet printing machine
    Patent number: 4390886
    Abstract: An ink jet printing machine in which adjacent nozzles are isolated from one another to prevent energization of a nozzle other than a selected nozzle.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: June 28, 1983
    Assignee: Xerox Corporation
    Inventor: S. Bertil Sultan
  • Hydrodynamically damped pressure pulse droplet ejector
    Patent number: 4233610
    Abstract: An energy dissipative element is used in a pressure pulse drop ejector. The element is designed to efficiently eliminate unwanted meniscus vibration. In one embodiment, one or more relatively thin screens are placed in the liquid flow path to simultaneously damp both hydraulic and acoustic vibrations.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: November 11, 1980
    Assignee: Xerox Corporation
    Inventors: Kenneth H. Fischbeck, Stig-Goran Larsson, S. Bertil Sultan