Patents by Inventor John A. McCamley

John A. McCamley 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).

  • Method and apparatus for separating adhered paper from paper covered gypsum board
    Patent number: 5593096
    Abstract: Adhered paper is separated from paper covered gypsum board by hammermilling the gypsum board through holes of a hammermill grate, the hole size being selected to produce a screenable mixture of pieces of paper and separated gypsum board particles. The mixture may then be screened to segregate the pieces of paper from the particles.
    Type: Grant
    Filed: October 24, 1994
    Date of Patent: January 14, 1997
    Inventors: Byron W. Harker, John A. McCamley
  • Wind turbine
    Patent number: D716228
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: October 28, 2014
    Assignee: McCamley Ltd.
    Inventor: Andrew Stuart John McCamley