Patents by Inventor Patrick Craig Howlett

Patrick Craig Howlett 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).

  • Energy storage devices
    Patent number: 7479353
    Abstract: Pyrrolidinium-based room temperature ionic liquids, and phosphorus and arsenic analogues, are used as electrolytes in energy storage devices including secondary lithium batteries, supercapacitors and asymmetric battery-supercapacitors. The electrolytes preferably contain lithium ions as the charge-carrying species. The electrolytes are in a liquid state at the operating temperature.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: January 20, 2009
    Assignees: Commonwealth Scientific and Industrial Research Organisation, Monash University
    Inventors: Anthony Frank Hollenkamp, Patrick Craig Howlett, Douglas Robert MacFarlane, Stewart Alexander Forsyth, Maria Forsyth