Patents by Inventor Steven P. Sayko

Steven P. Sayko 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).

  • Compact print head
    Patent number: 4485388
    Abstract: A circuit board is utilized to hold a plurality of ink droplet producing elements in compact manner and conductive portions of the board are connected to actuate the elements in pulse-on-demand type printing.
    Type: Grant
    Filed: July 21, 1982
    Date of Patent: November 27, 1984
    Assignee: NCR Corporation
    Inventor: Steven P. Sayko
  • Coiled conduits within ink jet reservoir
    Patent number: 4484202
    Abstract: A movable ink reservoir carries a plurality of ink jet printing elements and supplies ink to the elements by means of individual conduits. The individual conduits are coils of tubing arranged in stacked side-by-side manner and the reservoir includes a portion for containing the tubing in such coiled arrangement.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: November 20, 1984
    Assignee: NCR Corporation
    Inventor: Steven P. Sayko
  • Multiple nozzle ink jet print head
    Patent number: 4415909
    Abstract: An ink jet printer has an arrangement of nozzles in a symmetrical pattern and formed by tubular ink channels with cylindrical piezoelectric crystal or like transducers surrounding the tubular channels. The arrangement of nozzles is contained in a small and compact package and is capable of serial printing dot matrix characters in columnar manner.
    Type: Grant
    Filed: October 26, 1981
    Date of Patent: November 15, 1983
    Assignee: NCR Corporation
    Inventors: Victor J. Italiano, Steven P. Sayko
  • Multiple nozzle ink jet print head
    Patent number: 4387383
    Abstract: A print head includes a plurality of liquid droplet producing devices in an arrangement wherein the piezoelectric elements are in direct contact with the liquid. The piezo elements are pulsed on demand to cause rapid volume change in the compression chamber to initiate pressure waves therein and to eject ink droplets from the nozzles of the print head.
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: June 7, 1983
    Assignee: NCR Corporation
    Inventor: Steven P. Sayko