Patents by Inventor Diane M. Nielsen

Diane M. Nielsen 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).

  • COUPLING FOR RODS
    Publication number: 20150354287
    Abstract: A cold worked and spinodally-hardened copper alloy comprising from about 8 to about 20 wt % nickel, and from about 5 to about 11 wt % tin, the remaining balance being copper, and having a 0.2% offset yield strength of at least 75 ksi, is used to form a sucker rod coupling or subcoupling. Each coupling is formed from a core having two ends, each end having an internal thread. These box ends engage the pin of a sucker rod or other rod. The exterior surface of the core includes grooves running between the two ends.
    Type: Application
    Filed: February 27, 2015
    Publication date: December 10, 2015
    Inventors: William D. Nielsen, Diane M. Nielsen, Fritz C. Grensing
  • DRILLING COMPONENT
    Publication number: 20150267477
    Abstract: A drilling component includes a spinodally-hardened copper-nickel-tin alloy. The drilling component may be a drill stem or a drill string component, such as a tool joint used for joining pipe together.
    Type: Application
    Filed: December 23, 2014
    Publication date: September 24, 2015
    Inventors: William D. Nielsen, Diane M. Nielsen, Christopher Damschroder, Fritz C. Grensing