Patents by Inventor Thomas F. Willey

Thomas F. Willey 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).

  • Rock bit grease composition
    Patent number: 7312185
    Abstract: A grease for rock bit lubrication and other high temperature bearing applications is provided comprising a high viscosity index polyalphaolefin synthetic base fluid in combination with an alkylated naphthalene base fluid.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: December 25, 2007
    Assignee: Tomlin Scientific Inc.
    Inventors: Thomas F. Willey, Ryan J. Willey, Scott T. Willey
  • Rock bit grease composition
    Publication number: 20040092408
    Abstract: A grease for rock bit lubrication and other high temperature bearing applications is provided comprising a high viscosity index polyalphaolefin synthetic base fluid in combination with an alkylated naphthalene base fluid.
    Type: Application
    Filed: October 30, 2003
    Publication date: May 13, 2004
    Applicant: Tomlin Scientific, Inc.
    Inventors: Thomas F. Willey, Ryan J. Willey, Scott T. Willey
  • Lubricating grease
    Patent number: 6056072
    Abstract: A heavy-duty lubricating grease is shown which includes a synthetic fluid base and a thickener system. The heavy-duty grease can be used in both rolling element and journal type rock bit bearings to drill in heavy-duty, high temperature applications, such as in the bearing structures of rock bits used to drill hot subterranean formations.
    Type: Grant
    Filed: November 2, 1998
    Date of Patent: May 2, 2000
    Assignee: Baker Hughes Inc.
    Inventors: Terry J. Koltermann, Thomas F. Willey
  • Lubricating grease
    Patent number: 5891830
    Abstract: A heavy-duty lubricating grease is shown which includes a synthetic fluid base and a thickener system. The heavy-duty grease can be used in both rolling element and journal type rock bit bearings to drill in heavy-duty, high temperature applications, such as in the bearing structures of rock bits used to drill hot subterranean formations.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: April 6, 1999
    Assignee: Baker Hughes Incorporated
    Inventors: Terry J. Koltermann, Thomas F. Willey