Patents by Inventor Joseph William McClean

Joseph William McClean 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 hybrid illuminated signage apparatus
    Patent number: 9488354
    Abstract: An illuminated signage apparatus operable in high ambient light environments and in low ambient light environments comprises a first light source (30) operable in high ambient light environments and a second light source (26) operable in low ambient light environments. It includes means to detect a relevant ambient light environment threshold and means to switch between the operation of the first (30) and second light sources (26).
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: November 8, 2016
    Assignee: ECOBALLAST TECHNOLOGIES LIMITED
    Inventor: Joseph William McClean
  • ENERGY HYBRID ILLUMINATED SIGNAGE APPARATUS
    Publication number: 20150042493
    Abstract: An illuminated signage apparatus operable in high ambient light environments and in low ambient light environments comprises a first light source (30) operable in high ambient light environments and a second light source (26) operable in low ambient light environments. It includes means to detect a relevant ambient light environment threshold and means to switch between the operation of the first (30) and second light sources (26).
    Type: Application
    Filed: February 25, 2013
    Publication date: February 12, 2015
    Inventor: Joseph William McClean