Patents by Inventor Glen Edward Simmonds

Glen Edward Simmonds 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 for control of yarn processing equipment
    Patent number: 7349756
    Abstract: A method for starting or stopping each of at least two separately controllable roll-sets (22, 26, 34, 56) used for processing a yarn (Y) in a stretch-break process, each roll-set comrpising at least two rolls, the method is characterized by the step of each roll-set, changing the speed of each roll from an initial condition to a steady state condition in accordance with a predetermined sequence and in coordination with a change in speed of at least one of the other rolls, such that simultaneous complete breakage of a yarn (Y) being processed in a stretch-break process is minimized.
    Type: Grant
    Filed: December 12, 2003
    Date of Patent: March 25, 2008
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Gregory James Scott, Joseph Anthony Perrotto, Glen Edward Simmonds, Richard Davis Bryson, William Robert Corcoran, William Charles Walker