Patents by Inventor Richard Spicer Robertson

Richard Spicer Robertson 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).

  • Tandem blisk electrochemical machining
    Patent number: 7204926
    Abstract: A tandem blisk is mounted in a multiaxis electrochemical machine. A first row of blades is electrochemically machined in sequence. A second row of blades is then electrochemically machined in sequence while the blisk is still mounted in the machine. The machine is initially set up for machining both stages without removal of the blisk between the machining sequences.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: April 17, 2007
    Assignee: General Electric Company
    Inventors: Michael Scott Lamphere, John Scott Graham, Richard Spicer Robertson