Patents by Inventor Eric Rojahn

Eric Rojahn 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).

  • Fire escape chamber with outer cage and inner cage
    Patent number: 9834947
    Abstract: A fire escape chamber includes a hermetically sealable outer cage with outer side wall elements, with an outer floor element and with an outer ceiling element. Fire protection insulation layers are provided on the inner sides of the outer elements with some fastened by pin elements, which protrude from the outer side wall elements and from the outer ceiling element into the respective fire protection insulation layers. An inner cage has inner side wall elements, an inner ceiling element and an inner floor element. The inner floor element is mounted in a supporting manner on the fire protection insulation layer of the outer floor element. The inner side wall elements and the inner ceiling element are formed by a plurality of support structure elements, on the inner sides of which panels are, in turn, fastened. The support structure elements are located at spaced locations from the pin elements.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: December 5, 2017
    Assignee: Dräger Safety AG & Co. KGaA
    Inventors: Alexander Beckmann, Matthias Lühr, Eric Rojahn
  • FIRE ESCAPE CHAMBER WITH OUTER CAGE AND INNER CAGE
    Publication number: 20160348386
    Abstract: A fire escape chamber includes a hermetically sealable outer cage with outer side wall elements, with an outer floor element and with an outer ceiling element. Fire protection insulation layers are provided on the inner sides of the outer elements with some fastened by pin elements, which protrude from the outer side wall elements and from the outer ceiling element into the respective fire protection insulation layers. An inner cage has inner side wall elements, an inner ceiling element and an inner floor element. The inner floor element is mounted in a supporting manner on the fire protection insulation layer of the outer floor element. The inner side wall elements and the inner ceiling element are formed by a plurality of support structure elements, on the inner sides of which panels are, in turn, fastened. The support structure elements are located at spaced locations from the pin elements.
    Type: Application
    Filed: May 23, 2016
    Publication date: December 1, 2016
    Inventors: Alexander Beckmann, Matthias Lühr, Eric Rojahn