Patents by Inventor John Paskvan

John Paskvan 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).

  • Combination fluid sensor system
    Patent number: 8978450
    Abstract: An apparatus for determining and controlling characteristics of a fluid is provided that includes a substrate, a heating circuit, and a sensing circuit applied on the substrate by a layered process. A control module is in communication with the heating circuit and the sensing circuit for determining, for example, type, concentration, liquid level, and temperature of the fluid, which in one form is a urea solution.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: March 17, 2015
    Assignee: Watlow Electric Manufacturing Company
    Inventors: Louis P. Steinhauser, Jacob Lindley, John Paskvan
  • COMBINATION FLUID SENSOR SYSTEM
    Publication number: 20120186334
    Abstract: An apparatus for determining and controlling characteristics of a fluid is provided that includes a substrate, a heating circuit, and a sensing circuit applied on the substrate by a layered process. A control module is in communication with the heating circuit and the sensing circuit for determining, for example, type, concentration, liquid level, and temperature of the fluid, which in one form is a urea solution.
    Type: Application
    Filed: July 20, 2011
    Publication date: July 26, 2012
    Applicant: Watlow Electric Manufacturing Company
    Inventors: Louis P. Steinhauser, Jacob Lindley, John Paskvan