Patents by Inventor G. Keith Andrews

G. Keith Andrews 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).

  • Set for blood processing
    Patent number: 7025750
    Abstract: A tubular medical set as main blood flow tubing, a connected, flexible branch tube, a flow restriction device to suppress pressure pulses. The device is positioned to control flow through the branch tube. The flow restriction device permits substantially free, unhindered flow from the branch tube to the main blood flow tubing, while significantly restricting, but not completely blocking, flow from the main blood flow tubing to the branch tube.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: April 11, 2006
    Assignee: DSU Medical Corporation
    Inventors: James M. Brugger, David S. Utterberg, William J. Schnell, G. Keith Andrews
  • Set for blood processing
    Publication number: 20020072718
    Abstract: A tubular medical set as main blood flow tubing, a connected, flexible branch tube, a flow restriction device to suppress pressure pulses. The device is positioned to control flow through the branch tube. The flow restriction device permits substantially free, unhindered flow from the branch tube to the main blood flow tubing, while significantly restricting, but not completely blocking, flow from the main blood flow tubing to the branch tube.
    Type: Application
    Filed: February 13, 2002
    Publication date: June 13, 2002
    Inventors: James M. Brugger, David S. Utterberg, William J. Schnell, G. Keith Andrews