Patents by Inventor Peter Ross Schaad

Peter Ross Schaad 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).

  • Sensor for detecting low concentrations of polyions
    Patent number: 5807471
    Abstract: A ion selective electrode is formed by an electrode having a first membrane with a diffusion rate selective to heparin or other polyions, and a selective polymeric coating thereon having a polyion diffusion rate lower than the polyion diffusion rate of the first membrane. The electrode is sensitive to solutions containing low polyion concentrations such as low heparin concentrations.
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: September 15, 1998
    Assignee: Medtronic, Inc.
    Inventors: Michael Dror, Robert F. Baugh, Peter Ross Schaad