Patents by Inventor Gregory P. Lundie

Gregory P. Lundie 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).

  • Amorphous diamond coating of blades
    Patent number: 6289593
    Abstract: Improved razors and razor blades and processes for producing razor blades or similar cutting tools with sharp and durable cutting edges, by hard-carbon coating of blades with amorphous diamond, preferably using a filtered cathodic arc plasma source. A coating of amorphous diamond having at least 40 percent sp3 carbon bonding, a hardness of at least 45 gigapascals and a modulus of at least 400 gigapascals is applied to the sharpened edge of a substrate. The substrate may be mechanically honed, and there is no interlayer between the substrate and the amorphous diamond coating. The coating imparts stiffness and rigidity to a thin blade while maintaining a high aspect ratio.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: September 18, 2001
    Inventors: Thomas G. Decker, Gregory P. Lundie, David L. Pappas, Richard P. Welty, C. Robert Parent
  • Amorphous diamond coating of blades
    Patent number: 5992268
    Abstract: Improved razors and razor blades and processes for producing razor blades or similar cutting tools with sharp and durable cutting edges, by hard-carbon coating of blades with amorphous diamond, preferably using a filtered cathodic arc plasma source. A coating of amorphous diamond having at least 40 percent sp3 carbon bonding, a hardness of at least 45 gigapascals and a modulus of at least 400 gigapascals is applied to the sharpened edge of a substrate. The substrate may be mechanically honed, and there is no interlayer between the substrate and the amorphous diamond coating. The coating imparts stiffness and rigidity to a thin blade while maintaining a high aspect ratio.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: November 30, 1999
    Inventors: Thomas G. Decker, Gregory P. Lundie, David L. Pappas, Richard P. Welty, C. Robert Parent
  • Amorphous diamond coating of blades
    Patent number: 5799549
    Abstract: Improved razors and razor blades and processes for producing razor blades or similar cutting tools with sharp and durable cutting edges, by hard-carbon coating of blades with amorphous diamond, preferably using a filtered cathodic arc plasma source. A coating of amorphous diamond having at least 40 percent sp3 carbon bonding, a hardness of at least 45 gigapascals and a modulus of at least 400 gigapascals is applied to the sharpened edge of a substrate. The substrate may be mechanically honed, and there is no interlayer between the substrate and the amorphous diamond coating. The coating imparts stiffness and rigidity to a thin blade while maintaining a high aspect ratio.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: September 1, 1998
    Assignee: The Gillette Company
    Inventors: Thomas G. Decker, Gregory P. Lundie, David L. Pappas, Richard P. Welty, C. Robert Parent