Patents by Inventor Willis D. Ward

Willis D. Ward 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).

  • Floor grinding machine and grinding head unit therefor
    Patent number: 8251780
    Abstract: A grinding head unit mountable in a planetary disk of a surface grinding machine generally including a housing mountable on the planetary disk, a holder supported on the housing and a surface grinding member detachably connectable to the holder wherein the holder is provided with a recess and the holder is provided with a portion receivable within such recess.
    Type: Grant
    Filed: February 10, 2009
    Date of Patent: August 28, 2012
    Assignee: Amano Pioneer Eclipse Corporation
    Inventors: Willis D. Ward, Derrick L. Hamm, John E. Smith
  • Surface grinding machine and grinding head therefor
    Patent number: 8147297
    Abstract: A surface grinding machine generally consisting of a drive means provided with an output shaft; a planetary disk mounted on the shaft; and at least two grinding head units mounted on the planetary disk, each including a housing mounted on the planetary disk, a shaft having a flange portion, journaled in the unit housing, resilient means interposed between the housing and the flange portion of the unit shaft and a disk provided with a grit surface disposed on an outer side of the flange portion of the unit shaft.
    Type: Grant
    Filed: January 26, 2009
    Date of Patent: April 3, 2012
    Assignee: Amano Pioneer Eclipse Corporation
    Inventors: Derrick L. Hamm, John E. Smith, Willis D. Ward
  • Floor Grinding Machine and Grinding Head Unit Therefor
    Publication number: 20100203813
    Abstract: A grinding head unit mountable in a planetary disk of a surface grinding machine generally including a housing mountable on the planetary disk, a holder supported on the housing and a surface grinding member detachably connectable to the holder wherein the holder is provided with a recess and the holder is provided with a portion receivable within such recess.
    Type: Application
    Filed: February 10, 2009
    Publication date: August 12, 2010
    Applicant: Amano Pioneer Eclipse Corporation
    Inventors: Willis D. WARD, Derrick L. HAMM, John E. SMITH
  • Surface Grinding Machine and Grinding Head Therefor
    Publication number: 20100190421
    Abstract: A surface grinding machine generally consisting of a drive means provided with an output shaft; a planetary disk mounted on the shaft; and at least two grinding head units mounted on the planetary disk, each including a housing mounted on the planetary disk, a shaft having a flange portion, journaled in the unit housing, resilient means interposed between the housing and the flange portion of the unit shaft and a disk provided with a grit surface disposed on an outer side of the flange, portion of the unit shaft.
    Type: Application
    Filed: January 26, 2009
    Publication date: July 29, 2010
    Applicant: Amano Pioneer Eclipse Corporation
    Inventors: Derrick L. Hamm, John E. Smith, Willis D. Ward