Patents by Inventor John Kelvin Ward

John Kelvin Ward 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).

  • Method and apparatus for harvesting energy from mechanical vibrations
    Patent number: 7977852
    Abstract: A method of harvesting energy from a vibrational energy source having a varying energy characteristic. The method includes the step of varying a characteristic of a harvesting arrangement arranged to harvest the energy, the characteristic of the harvesting arrangement being varied in response to the varying energy characteristic of the vibrational energy source.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: July 12, 2011
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: John Kelvin Ward, Sam Behrens
  • Method and Apparatus for Harvesting Energy from Mechanical Vibrations
    Publication number: 20090127976
    Abstract: A method of harvesting energy from a vibrational energy source having a varying energy characteristic. The method includes the step of varying a characteristic of a harvesting arrangement arranged to harvest the energy, the characteristic of the harvesting arrangement being varied in response to the varying energy characteristic of the vibrational energy source.
    Type: Application
    Filed: April 18, 2007
    Publication date: May 21, 2009
    Applicant: Commonwealth Scientific and Industrial Research Organisation
    Inventors: John Kelvin Ward, Sam Behrens