Patents by Inventor George E. Sparber

George E. Sparber 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).

  • Steam efficient prevacuum sterilizer cycle
    Patent number: 4909988
    Abstract: A self-contained, closed loop steam sterilizer has an integral external boiler. The sterilizer employs a prevacuum sterilization cycle with a dwell phase to promote steam efficiency. A single pump accomplishes all pumping functions in a prioritized manner.
    Type: Grant
    Filed: October 23, 1987
    Date of Patent: March 20, 1990
    Assignee: American Sterilizer Company
    Inventors: Robert W. Childers, Thomas G. Cook, David A. Karle, Ronald P. Krahe, George E. Sparber, Gerald L. Yeaney
  • Self-contained, closed loop steam sterilizer
    Patent number: 4808377
    Abstract: A self-contained, closed loop steam sterilizer having an integral external boiler. The sterilizer employs a prevacuum sterilization cycle with a dwell phase. A single pump accomplishes all pumping functions in a prioritized manner.
    Type: Grant
    Filed: July 26, 1985
    Date of Patent: February 28, 1989
    Assignee: American Sterilizer Company
    Inventors: Robert W. Childers, Thomas G. Cook, David A. Karle, Ronald P. Krahe, George E. Sparber, Gerald L. Yeaney