Patents by Inventor Chad A. Behrman

Chad A. Behrman 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).

  • SEAL ASSEMBLY AND SHAFT THEREFOR
    Publication number: 20150014937
    Abstract: A fluid sealing assembly includes a shaft and a seal. The shaft includes a surface portion having a microstructural geometry. The seal has a radially flexible portion disposed in proximity to the surface portion having the microstructural geometry such that when the shaft is rotated a pressure differential is generated at the interface of the seal and the surface portion having the microstructural geometry that pushes or pulls fluid relative to the interface.
    Type: Application
    Filed: December 31, 2013
    Publication date: January 15, 2015
    Inventors: Chad A. Behrman, Andrew D. Copeland