Patents by Inventor Andrew Bittner

Andrew Bittner 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).

  • Multijunction solar cells
    Patent number: 11916159
    Abstract: A multijunction solar cell including an upper first solar subcell having a first band gap and positioned for receiving an incoming light beam; and a second solar subcell disposed below and adjacent to and lattice matched with said upper first solar subcell, and having a second band gap smaller than said first band gap; wherein at least one of the solar subcells has a graded band gap throughout the thickness of at least a portion of its emitter layer and base layer.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: February 27, 2024
    Assignee: SolAero Technologies Corp.
    Inventors: John Hart, Daniel Derkacs, Zachary Bittner, Andrew Espenlaub
  • Tool For Plumbing, Squaring and Attaching
    Publication number: 20070245582
    Abstract: The present invention is generally related to products and methods for leveling, plumbing, squaring and a frame to a structure during its attachment.
    Type: Application
    Filed: April 16, 2007
    Publication date: October 25, 2007
    Inventor: Andrew Bittner