Patents by Inventor Kenneth J. Corwin

Kenneth J. Corwin 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).

  • Energy-saving, anti-free flow portable pump for use with standard PVC IV tubing
    Patent number: 7059840
    Abstract: An apparatus for pumping fluid through tubing comprising a stop platen is disclosed. The stop platen is operatively arranged to depress a wall of the tubing along a section of a longitudinal axis of the tubing. The stop platen is narrower than the tubing along a transverse axis of the tubing. The invention further comprises a cabinet containing the stop platen, a door rotatably fixed to the cabinet, and locking means for preventing rotation of the door. The locking means are operatively arranged to be unlocked by a tubing occluder.
    Type: Grant
    Filed: April 5, 2002
    Date of Patent: June 13, 2006
    Assignee: SIGMA International
    Inventors: Kenneth J. Corwin, Roger L. Hungerford, Yuriy Shvetsov, Michael H. Wollowitz
  • Portable pump for use with IV tubing
    Publication number: 20030190246
    Abstract: An apparatus for pumping fluid through tubing comprising a stop platen is disclosed. The stop platen is operatively arranged to depress a wall of the tubing along a section of a longitudinal axis of the tubing. The stop platen is narrower than the tubing along a transverse axis of the tubing. The invention further comprises a cabinet containing the stop platen, a door rotatably fixed to the cabinet, and locking means for preventing rotation of the door. The locking means are operatively arranged to be unlocked by a tubing occluder.
    Type: Application
    Filed: April 5, 2002
    Publication date: October 9, 2003
    Applicant: SIGMA International
    Inventors: Kenneth J. Corwin, Roger L. Hungerford, Yuriy Shvetsov, Michael H. Wollowitz, Mike Rechin