Patents by Inventor Jeffery S. Partridge

Jeffery S. Partridge 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).

  • Patent number: 6991669
    Abstract: A silver recovery and monitoring system including a sensor for transmitting a silver concentration signal in response to the concentration of silver in a fluid, means for determining whether the silver concentration signal indicates the concentration of silver in the fluid to be above a predetermined silver level and for initiating a silver alert signal in response to a determination that the silver concentration signal indicates the concentration of silver in the fluid to be above the predetermined silver level, and means for transmitting a notification signal to a silver monitoring station in response to the silver alert signal.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: January 31, 2006
    Assignee: Chemtronix, Inc.
    Inventors: James A. Partridge, James E. Partridge, Jeffery S. Partridge