Patents by Inventor William D. Filler

William D. Filler 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).

  • Valve gear operator
    Patent number: D522619
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: June 6, 2006
    Assignee: Valve Innovations, L.L.C.
    Inventors: John P. Scaramucci, William D. Filler
  • Valve gear operator
    Patent number: D540920
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: April 17, 2007
    Assignee: Valve Innovations, L.L.C.
    Inventors: John P. Scaramucci, William D. Filler
  • Valve gear operator
    Patent number: D734435
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: July 14, 2015
    Assignee: Valve Innovations LLC
    Inventors: John P. Scaramucci, William D. Filler