Patents by Inventor Howard P. Harrenstien

Howard P. Harrenstien 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).

  • Method for supporting a stretched membrane solar trough collector
    Patent number: 8539943
    Abstract: An improved solar reflector with a frame structure suitable for spanning longer distances that utilizes light-weight side beams, ridgecaps and tensioned cables to form a truss-system.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: September 24, 2013
    Inventors: Howard P. Harrenstien, Allen I. Bronstein
  • Method for Supporting a Stretched Membrane Solar Trough Collector
    Publication number: 20100258186
    Abstract: An improved solar reflector with a frame structure suitable for spanning longer distances that utilizes light-weight side beams, ridgecaps and tensioned cables to form a truss-system.
    Type: Application
    Filed: April 14, 2009
    Publication date: October 14, 2010
    Applicant: FOCAL POINT ENERGY, INC.
    Inventors: Howard P. Harrenstien, Allen I. Bronstein