Patents by Inventor Ferrell D. Papic

Ferrell D. Papic 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).

  • Cartridge fed programmable ambulatory infusion pumps powered by DC electric motors
    Patent number: 5131816
    Abstract: A cartridge fed infusion pump containing a plurality of linear peristaltic pumps. Each pump is powered by a direct current motor. The motor has a shaft which rotates to perform a pump cycle. A position encoder mounted on the shaft is used to determine when the shaft has reached the stop position in the pump cycle. A reverse pulse is used to quickly stop the motor shaft.
    Type: Grant
    Filed: May 15, 1989
    Date of Patent: July 21, 1992
    Assignee: I-Flow Corporation
    Inventors: Eric W. Brown, Charles M. Kienholz, Steven J. Busak, Wayne Hayob, Ferrell D. Papic