Patents by Inventor Ray Kraft

Ray Kraft 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).

  • Precision small volume fluid processing apparatus and method
    Patent number: 6218193
    Abstract: A high precision, small volume fluid processing system employs open ended capillary tubes to meter, aliquot and mix small volumes of sample fluid and reagents. The system has an automatic mechanism for moving the capillary tubes as well as automated sub-systems for incubating and mixing fluids within the capillary tubes.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: April 17, 2001
    Assignee: University of Washington
    Inventors: Ray Kraft, Neal A. Friedman, Deirdre Meldrum, Ronald Seubert
  • Precision small volume fluid processing apparatus
    Patent number: 5785926
    Abstract: A high precision, small volume fluid processing system employs open ended capillary tubes to meter, aliquot and mix small volumes of sample fluid and reagents. The system has an automatic mechanism for moving the capillary tubes as well as automated sub-systems for incubating and mixing fluids within the capillary tubes.
    Type: Grant
    Filed: September 19, 1995
    Date of Patent: July 28, 1998
    Assignees: University of Washington, GeneTools, Inc.
    Inventors: Ronald Seubert, Maynard V. Olson, Deirdre Meldrum, Blake Hannaford, Peter Wiktor, Neal A. Friedman, Donald B. Snow, Ray Kraft