Patents by Inventor Mark Patrick DeLong

Mark Patrick DeLong 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).

  • Methods and systems for controlling temperature of a bushing
    Patent number: 8210002
    Abstract: Various embodiments of the present invention relate to glass fiber forming bushings, to methods of controlling the temperature of bushings having multiple segments, to systems of controlling the temperature of bushings having multiple segments, and to other systems and methods. In one embodiment, a method of controlling the temperature of a bushing having multiple segments comprises forming a plurality of filaments from a bushing comprising at least two segments, gathering the filaments into at least two ends, measuring the size of each of the at least two ends, comparing the measured size of the at least two ends to a desired end size, adjusting the amount of current passing through the at least two bushing segments in response to the end size comparisons.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: July 3, 2012
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Pu Gu, Timothy S. McAbee, James C. Peters, Mark Patrick DeLong
  • Methods and systems for controlling temperature of a bushing
    Patent number: 7980097
    Abstract: Various embodiments of the present invention relate to glass fiber forming bushings, to methods of controlling the temperature of bushings having multiple segments, to systems of controlling the temperature of bushings having multiple segments, and to other systems and methods. In one embodiment, a method of controlling the temperature of a bushing having multiple segments comprises forming a plurality of filaments from a bushing comprising at least two segments, gathering the filaments into at least two ends, measuring the size of each of the at least two ends, comparing the measured size of the at least two ends to a desired end size, adjusting the amount of current passing through the at least two bushing segments in response to the end size comparisons.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: July 19, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Pu Gu, Timothy S. McAbee, James C. Peters, Mark Patrick DeLong