Patents by Inventor David N. Dupra

David N. Dupra 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).

  • Changing radius generator
    Patent number: 8674531
    Abstract: An electrical generator is provided that generates electricity when bending of conductor layers and a magnetic field layer causes movement of the conductors relative to a magnetic field provided by the magnetic field layer.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: March 18, 2014
    Assignee: Eastman Kodak Company
    Inventor: David N. Dupra
  • Method for generating electricity
    Patent number: 8669667
    Abstract: An electrical generating method is provided that generates electricity when bending of a first flexible plurality of conductors, a second flexible plurality of conductors and a flexible magnetic field source causes movement of the conductors relative to a magnetic field provided by the magnetic field source.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: March 11, 2014
    Assignee: Eastman Kodak Company
    Inventor: David N. Dupra
  • CHANGING RADIUS GENERATOR
    Publication number: 20140062089
    Abstract: An electrical generator is provided that generates electricity when bending of conductor layers and a magnetic field layer causes movement of the conductors relative to a magnetic field provided by the magnetic field layer.
    Type: Application
    Filed: August 30, 2012
    Publication date: March 6, 2014
    Inventor: David N. Dupra
  • METHOD FOR GENERATING ELECTRICITY
    Publication number: 20140062090
    Abstract: An electrical generating method is provided that generates electricity when bending of a first flexible plurality of conductors, a second flexible plurality of conductors and a flexible magnetic field source causes movement of the conductors relative to a magnetic field provided by the magnetic field source.
    Type: Application
    Filed: August 30, 2012
    Publication date: March 6, 2014
    Inventor: David N. Dupra