Patents by Inventor Carl W. Nicols

Carl W. Nicols 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: 5069346
    Abstract: Processes by which a mixture of two or more discrete particulate materials, each of said materials having a different sliding coefficient of friction, can be separated using methods which take advantage of velocity differences generated by the application of a force to said mixture to create movement of said mixture over a surface as a function of its sliding coefficient of friction. Various apparatus to effect such processes are also disclosed.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: December 3, 1991
    Assignee: Cyprus Mines Corporation
    Inventors: Carl W. Nicols, Michael J. Lorang, Michael O. Wold, Jerry W. Rayfield