Patents by Inventor Joson Kunnumpuram Joseph

Joson Kunnumpuram Joseph 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).

  • Method and apparatus for capacitively determining the uppermost level of a liquid in a container
    Patent number: 7150190
    Abstract: A liquid level sensor confirms actual physical contact between a probe and a liquid by verifying that any change in capacitance of the sensor is constant over a given time period and thereby is not caused by spurious electrical disturbances or other measuring irregularities.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: December 19, 2006
    Assignee: Dade Behring Inc.
    Inventors: Frank S. Krufka, Joson Kunnumpuram Joseph, Arnold Lloyd Lewis