Patents by Inventor Thorstan Kretzer

Thorstan Kretzer 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).

  • Lighting installation
    Patent number: 7674014
    Abstract: A lighting installation has two light fixtures which each have an illuminant in a horizontal burning position and a box reflector surrounding the illuminant. The box reflectors of the two light fixtures are each designed to produce half bat wing light distributions. The two light fixtures are positioned parallel to one another such that they together produce bat wing distribution and the two light fixtures can be adjusted in relation to one another.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: March 9, 2010
    Assignee: BA*RO GmbH & Co. KG
    Inventors: Martin Kirsten, Bernhard Schutte, Matthias Koller, Thorstan Kretzer
  • Lighting installation
    Publication number: 20080074876
    Abstract: A lighting installation has two light fixtures which each have an illuminant in a horizontal burning position and a box reflector surrounding the illuminant. The box reflectors of the two light fixtures are each designed to produce half bat wing light distributions. The two light fixtures are positioned parallel to one another such that they together produce bat wing distribution and the two light fixtures can be adjusted in relation to one another.
    Type: Application
    Filed: September 4, 2007
    Publication date: March 27, 2008
    Inventors: Martin Kirsten, Bernhard Schutte, Matthias Koller, Thorstan Kretzer