Patents by Inventor Derek Columbus

Derek Columbus 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).

  • Airfoil shape for a compressor
    Patent number: 7572105
    Abstract: An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in a TABLE 1. Wherein X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z in inches. The profile sections at the Z distances being joined smoothly with one another to form a complete airfoil shape.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: August 11, 2009
    Assignee: General Electric Company
    Inventors: Derek Columbus, Michael Dutka
  • Airfoil shape for a compressor
    Patent number: 7534092
    Abstract: An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in a TABLE 1. Wherein X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z in inches. The profile sections at the Z distances being joined smoothly with one another to form a complete airfoil shape.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: May 19, 2009
    Assignee: General Electric Company
    Inventors: Derek Columbus, Peter King
  • Airfoil shape for a compressor
    Publication number: 20080101943
    Abstract: An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in a TABLE 1. Wherein X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z in inches. The profile sections at the Z distances being joined smoothly with one another to form a complete airfoil shape.
    Type: Application
    Filed: October 25, 2006
    Publication date: May 1, 2008
    Inventors: Derek Columbus, Peter King
  • Airfoil shape for a compressor
    Publication number: 20080101957
    Abstract: An article of manufacture having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in a TABLE 1. Wherein X and Y are distances in inches which, when connected by smooth continuing arcs, define airfoil profile sections at each distance Z in inches. The profile sections at the Z distances being joined smoothly with one another to form a complete airfoil shape.
    Type: Application
    Filed: October 25, 2006
    Publication date: May 1, 2008
    Inventors: Derek Columbus, Michael Dutka