Patents by Inventor Richard M. Kenshalo

Richard M. Kenshalo 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).

  • Measuring low flowrates
    Patent number: 4397189
    Abstract: Measuring the flowrate of a liquid by directing the liquid to a vertically-positioned collection tube, periodically sensing the height of liquid in the tube, and averaging a plurality of data points to obtain an average flowrate value.
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: August 9, 1983
    Assignee: Cobe Laboratories, Inc.
    Inventors: Steven H. Johnson, Thomas P. Grover, Richard M. Kenshalo
  • Automatic ultrafiltration control system
    Patent number: 4381999
    Abstract: A system for supplying fluid for a fluid flow transfer device and achieving target ultrafiltration fluid losses by automatically, periodically monitoring the ultrafiltration rate and transmembrane pressure, computing the transmembrane pressure necessary to achieve the target fluid loss by the end of a session, and adjusting the transmembrane pressure to the computed value.
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: May 3, 1983
    Assignee: Cobe Laboratories, Inc.
    Inventors: Terry D. Boucher, Dennis J. Hlavinka, Richard M. Kenshalo, Steven H. Johnson