Patents by Inventor Daniel Eugene George

Daniel Eugene George 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).

  • Separation fingers for electro photographic devices
    Patent number: 6844051
    Abstract: This invention relates to a separation finger used in an Electro photographic device such as photocopying devices and laser-beam printers. More specifically, it relates to a separation finger with remarkably improved durability which has a sharp tips and is capable of preventing paper jams, caused by, for example, adhesion of the toner, over extended periods of time.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: January 18, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Daniel Eugene George, Shinichi Nakagawa, Akira Yokoyama
  • Polyimide compositions with improved wear resistance and friction at high PV (pressure .times. velocity) conditions
    Patent number: 5789523
    Abstract: Polyimide compositions can be substantially improved by incorporating in the composition an inorganic, low hardness, thermally stable, sheet silicate, such as muscovite mica, talc, and kaolinite, which results in improved wear resistance and reduced coefficient of friction.
    Type: Grant
    Filed: July 9, 1996
    Date of Patent: August 4, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Daniel Eugene George, Joy Sawyer Bloom, Thomas Paul Feist