Patents by Inventor Keith Kauffmann

Keith Kauffmann 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).

  • HIGH UTILIZATION PHOTO-VOLTAIC DEVICE
    Publication number: 20150101649
    Abstract: An article of manufacture includes a first and second PV cell layer, where the first and second PV cell layers are at least partially displaced from each other and define a continuous optical coverage area throughout a solar active area. The article provides for enhanced utilization of the active solar area.
    Type: Application
    Filed: May 29, 2013
    Publication date: April 16, 2015
    Inventors: Hua Liu, Jie Feng, Leonardo Lopez, Rebekah Feist, Keith Kauffmann
  • PHOTOVOLTAIC DEVICES WITH AN IMPROVED POSITIONING AND LOCKING FEATURES AND METHOD OF ASSEMBLY
    Publication number: 20140166082
    Abstract: The present invention concerns photovoltaic devices for mounting on a structure, e.g. photovoltaic roof tiles. The photovoltaic devices (100) comprise improved positioning and locking features (252, 254) that prevent adjoining devices from nesting unless the locking feature is engaged.
    Type: Application
    Filed: July 27, 2012
    Publication date: June 19, 2014
    Applicant: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Joseph A. Langmaid, James R. Kennihan, Ryan Gaston, Keith Kauffmann, Jie Feng