Patents by Inventor Philip Burton Jewell, Jr.

Philip Burton Jewell, Jr. 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).

  • Patent number: 7252024
    Abstract: A method and an apparatus or machining a workpiece include the use of a cryogenically cooled oxide containing ceramic cutting tool. The method involves cryogenic cooling of the cutting tool during a cutting operation, which cooling results in enhanced wear resistance and fracture resistance of the cutting tool. A preferred embodiment involves jetting a cryogenic fluid directly at the cutting tool.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: August 7, 2007
    Assignee: Air Products & Chemicals, Inc.
    Inventors: Zbigniew Zurecki, Robert Bruce Swan, Bruce Edward Snyder, John Herbert Frey, Philip Burton Jewell, Jr., Ranajit Ghosh, James Bryan Taylor
  • Publication number: 20040154443
    Abstract: A method and an apparatus or machining a workpiece include the use of a cryogenically cooled oxide containing ceramic cutting tool. The method involves cryogenic cooling of the cutting tool during a cutting operation, which cooling results in enhanced wear resistance and fracture resistance of the cutting tool. A preferred embodiment involves jetting a cryogenic fluid directly at the cutting tool.
    Type: Application
    Filed: March 9, 2004
    Publication date: August 12, 2004
    Inventors: Zbigniew Zurecki, Robert Bruce Swan, Bruce Edward Snyder, John Herbert Frey, Philip Burton Jewell Jr, Ranajit Ghosh, James Bryan Taylor