Patents by Inventor Jeffrey D. Flis

Jeffrey D. Flis 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).

  • Method for reducing void volumes in cavities for laser drilling
    Patent number: 5928534
    Abstract: A method for disposing a blocking material in a cavity 38 for blocking a laser beam is disclosed. Various details of the method are developed to minimize the formation of voids in the cavity. In one embodiment, a reduced pressure is used during the method to reduce the amount of gas trapped in the cavity.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: July 27, 1999
    Assignee: United Technologies Corporation
    Inventors: Jeffrey D. Flis, James D. Jones, James F. Waller, Jr.
  • Method of laser drilling an airfoil
    Patent number: 5914060
    Abstract: A method for laser drilling cooling air holes 42 into a leading edge passage 38 of an airfoil is disclosed. Various details of the method are developed for forcing material which blocks the laser beam into the leading edge passage. In one embodiment, the blocking material is forced into the leading edge passage 38 by expanding gas bubbles in a supply passage 54 for the blocking material.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: June 22, 1999
    Assignee: United Technologies Corporation
    Inventors: Jeffrey D. Flis, James D. Jones, James F. Waller, Jr.