Patents by Inventor David Geoffrey Hall

David Geoffrey 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).

  • Manufacture of plain bearings
    Patent number: 6485608
    Abstract: The bearing comprises a metal backing, a sintered layer on said metal backing, and a lining layer infiltrated into pores of the sintered layer and standing proud thereof to provide a bearing surface. The lining layer comprises polytetrafluoroethylene including 2 to 10% by volume of fibrillated aramid fibres.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: November 26, 2002
    Assignee: Glacier Garlock Bearings, Inc.
    Inventors: Julie Ann McDonald, John Edward Wheatley, Anthony Latkowski, David Geoffrey Hall
  • Manufacture of plain bearings
    Patent number: 6425977
    Abstract: A method of manufacturing a bearing material, a bearing material and a bearing having the bearing material on a strong backing are described.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: July 30, 2002
    Assignee: Glacier Garlock Bearings, Inc.
    Inventors: Julie Ann McDonald, John Edward Wheatley, Anthony Latkowski, David Geoffrey Hall
  • Manufacture of plain bearings
    Publication number: 20010031596
    Abstract: A method of manufacturing a bearing material, a bearing material and a bearing having the bearing material on a strong backing are described.
    Type: Application
    Filed: April 16, 2001
    Publication date: October 18, 2001
    Inventors: Julie Ann McDonald, John Edward Wheatley, Anthony Latkowski, David Geoffrey Hall