Patents by Inventor Rodney Carl Christensen

Rodney Carl Christensen 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).

  • Funnel apparatus for mining gold
    Patent number: 5692620
    Abstract: The apparatus includes a funnel, connected to a section of clear hose. The clear hose has installed in line, 3 valves, for regulating water flow to the funnel for the process of separating gold from gold bearing soil.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: December 2, 1997
    Inventor: Rodney Carl Christensen