Patents by Inventor Calvin William Collins

Calvin William Collins 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).

  • Downhole tool and method of manufacturing a tool
    Patent number: 10472896
    Abstract: Producing a drag bit includes creating a mold corresponding to the surface of the bit and inserting a core in the mold corresponding to the plenum of the bit. A preliminary shaped bit is cast in the mold. Excess material is removed from the casting to produce a final shaped bit.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: November 12, 2019
    Assignee: ESCO GROUP LLC
    Inventors: Calvin William Collins, Jon V. Owen, Alfred H. Skinner, Neal Alan Bowden, Ryan J. Nelson
  • DOWNHOLE TOOL AND METHOD OF MANUFACTURING A TOOL
    Publication number: 20160138343
    Abstract: Producing a drag bit includes creating a mold corresponding to the surface of the bit and inserting a core in the mold corresponding to the plenum of the bit. A preliminary shaped bit is cast in the mold. Excess material is removed from the casting to produce a final shaped bit.
    Type: Application
    Filed: November 18, 2015
    Publication date: May 19, 2016
    Inventors: Calvin William Collins, Jon V. Owen, Alfred H. Skinner, Neal Alan Bowden, Ryan J. Nelson