Patents by Inventor DARRELL L. NIEMANN

DARRELL L. NIEMANN 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).

  • RECHARGEABLE POWER SOURCE FOR MOBILE DEVICES WHICH INCLUDES AN ULTRACAPACITOR
    Publication number: 20180342357
    Abstract: Provided herein is a rechargeable power source that can be quickly charged and used for charging mobile and cordless devices. The power source includes an ultracapacitor which comprises a composite structure including, for example open graphene structures or graphene nanoribbons attached to an oxide layer. The oxide layer is on a metal foil surface. The oxide layer includes more than one metal atom.
    Type: Application
    Filed: July 26, 2018
    Publication date: November 29, 2018
    Inventors: CATTIEN V. NGUYEN, YOU LI, DARRELL L. NIEMANN, HOANG NGUYEN LY, PHILIP A. KRAUS
  • Rechargeable Power Source For Mobile Devices Which Includes An Ultracapacitor
    Publication number: 20140321027
    Abstract: Provided herein is a rechargeable power source that can be quickly charged and use for charging mobile and cordless devices. The power source includes an ultracapacitor which comprises a composite structure including carbon nanotubes attached to an oxide layer.
    Type: Application
    Filed: April 29, 2014
    Publication date: October 30, 2014
    Inventors: Cattien V. NGUYEN, YOU LI, DARRELL L. NIEMANN, HOANG NGUYEN LY, PHILIP A. KRAUS