Patents by Inventor Bernd Wilhelmi

Bernd Wilhelmi 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).

  • Patent number: 8026457
    Abstract: Laser protection arrangement with a safety cutoff comprising a passive laser protection wall which stores the radiation energy of impinging radiation of a laser of a laser material processing installation, a laser protection foil which causes a detectable change when struck by laser radiation and which is arranged in front in direction of the laser radiation, and at least one sensor which is connected to the laser by a threshold switch in order to switch off the laser when the received detector signal exceeds or falls below a threshold value.
    Type: Grant
    Filed: November 7, 2007
    Date of Patent: September 27, 2011
    Assignee: JENOPTIK Automatisierungstechnik GmbH
    Inventors: Bernd Wilhelmi, Ulf Feistel
  • Publication number: 20080112447
    Abstract: Laser protection arrangement with a safety cutoff comprising a passive laser protection wall which stores the radiation energy of impinging radiation of a laser of a laser material processing installation, a laser protection foil which causes a detectable change when struck by laser radiation and which is arranged in front in direction of the laser radiation, and at least one sensor which is connected to the laser by a threshold switch in order to switch off the laser when the received detector signal exceeds or falls below a threshold value.
    Type: Application
    Filed: November 7, 2007
    Publication date: May 15, 2008
    Inventors: BERND WILHELMI, Ulf Feistel