Patents by Inventor Mark A. Koehrig

Mark A. Koehrig 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).

  • Porous Fluid Sensor
    Publication number: 20220268685
    Abstract: An optical element includes a porous layer with a network of a plurality of interconnected voids. The porous layer is optically diffusive to at least one wavelength of light when the network of interconnected voids is substantially free of fluid. The porous layer of the optical element undergoes a detectable optical change upon fluid ingress into the network or egress from the network of interconnected voids.
    Type: Application
    Filed: July 24, 2020
    Publication date: August 25, 2022
    Inventors: John A. Wheatley, William B. Kolb, Audrey A. Sherman, Mark A. Koehrig, Alan R. Dombrowski, Kurt J. Halverson, Steven P. Swanson, Del R. Lawson, Coey M. Arthur