Patents by Inventor M. Matthews Hall

M. Matthews Hall 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).

  • Electronically actuated valve system
    Patent number: 8434436
    Abstract: An electronically actuated valve assembly for an internal combustion engine is disclosed, wherein the valve assembly comprises a valve stem, and a plurality of shape memory alloy segments in operative communication with the valve stem, wherein each shape memory alloy segment is individually actuatable, and wherein actuation of different shape memory alloy segments is configured to cause different valve lifts.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: May 7, 2013
    Assignee: Ford Global Technologies, LLC
    Inventors: William Riley, Mark Zagata, Michael Schrader, Gregory McConville, M. Matthews Hall, Nicole Williams
  • Electronically actuated valve system
    Publication number: 20080251746
    Abstract: An electronically actuated valve assembly for an internal combustion engine is disclosed, wherein the valve assembly comprises a valve stem, and a plurality of shape memory alloy segments in operative communication with the valve stem, wherein each shape memory alloy segment is individually actuatable, and wherein actuation of different shape memory alloy segments is configured to cause different valve lifts.
    Type: Application
    Filed: April 13, 2007
    Publication date: October 16, 2008
    Inventors: William Riley, Mark Zagata, Michael Schrader, Gregory McConville, M. Matthews Hall, Nicole Williams