Patents by Inventor Erik Hacker

Erik Hacker 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).

  • Radiation projection arrangement with integrated radiation indicator
    Patent number: 5617250
    Abstract: An arrangement is produced for protection against harmful effects of radiation and for indicating such radiation which can preferably be designed as a viewing window or as goggles and can be used for protecting the eyes from injury due to high-intensity electromagnetic radiation. It includes a transparent substrate and a sequence of thin optical layers which are applied to this substrate and are arranged according to the principle of an optical thin-film resonance absorber system.
    Type: Grant
    Filed: February 15, 1994
    Date of Patent: April 1, 1997
    Assignee: Jenoptik GmbH
    Inventors: Erik Hacker, Hubert Pohlack