Patents by Inventor Loren Lundtveil

Loren Lundtveil 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).

  • AUTOMATED DIALYSIS PUMPING SYSTEM USING STEPPER MOTOR
    Publication number: 20070213651
    Abstract: A peritoneal dialysis system includes: (i) an enclosure; (ii) a stepper motor housed by the enclosure; (iii) a pump head in operable communication with the stepper motor; and (iv) a disposable unit including at least one flexible membrane attached to a rigid piece, the enclosure configured to receive the disposable unit such that the stepper motor can move the pump head towards and away from the flexible membrane to cause, (a) the flexible membrane to move outwardly with respect to the rigid piece as the pump head is moved away from the disposable unit, and (b) the flexible membrane to move inwardly with respect to the rigid piece as the pump head is moved away from the disposable unit.
    Type: Application
    Filed: December 21, 2006
    Publication date: September 13, 2007
    Inventors: Don Busby, Peter Hopping, Robert Childers, Shahid Din, Brian Lauman, Rick Kienman, Ian Richardson, Joseph Bowman, Loren Lundtveil, Jose Alvaro, Bruce Eu, Sherwin Shang