Patents by Inventor DAVID COBURN

DAVID COBURN 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).

  • Rotor assembly and reversible turbine blade retainer therefor
    Patent number: 8727735
    Abstract: A blade retainer for a gas turbine engine includes a plate-like member with an arcuate outer face, an opposed inner face, and two spaced-apart end faces. The member has an outer portion disposed adjacent the outer face, and an inner portion disposed adjacent the inner face, and a wedge-shaped recess with a concave radiused valley is formed in the inner portion adjacent each end face. The retainer is left-right symmetrical.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: May 20, 2014
    Assignee: General Electric Company
    Inventors: Michael Lee, David Coburn, Joseph Fagan
  • ROTOR ASSEMBLY AND REVERSIBLE TURBINE BLADE RETAINER THEREFOR
    Publication number: 20130004319
    Abstract: A blade retainer for a gas turbine engine includes a plate-like member with an arcuate outer face, an opposed inner face, and two spaced-apart end faces. The member has an outer portion disposed adjacent the outer face, and an inner portion disposed adjacent the inner face, and a wedge-shaped recess with a concave radiused valley is formed in the inner portion adjacent each end face. The retainer is left-right symmetrical.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 3, 2013
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Michael Lee, David Coburn, Joseph Fagan
  • PRIMARY CURRENT CONDUCTOR CONFIGURATIONS FOR A RESIDENTIAL ELECTRONIC METER
    Publication number: 20020011832
    Abstract: A current sensor assembly includes a plurality of symmetric current conductors that pass asymmetrically through the sensor assembly. A blade is connected to each end of the conductors. The conductors have a diagonal symmetry and have the general shape of a “V” as viewed from the top of the sensor assembly. The conductors pass through an opening located at the center of the current sensor.
    Type: Application
    Filed: September 11, 1998
    Publication date: January 31, 2002
    Inventors: ERTUGRUL BERKCAN, DANIEL ARTHUR STAVER, DAVID COBURN, GLENN ALAN WATTS