Patents by Inventor Volker Spiegel

Volker Spiegel 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: 9636565
    Abstract: The invention concerns a method of adjusting a room air in a first room wherein the room air is supplemented continuously or at recurring intervals of time by nitrogen or a nitrogen-bearing, carbon dioxide-poor gas mixture in such a way that the proportion of oxygen in the room air is less than 20.9% by volume and the proportion of carbon dioxide in the room air is less than 1% by volume, wherein at the same time at least a slight overpressure in relation to an outside atmosphere surrounding the room is set in the room.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: May 2, 2017
    Assignee: Volker Spiegel
    Inventors: Volker Spiegel, Ulrich Fuchs
  • Publication number: 20110065372
    Abstract: The invention concerns a method of adjusting a room air in a first room wherein the room air is supplemented continuously or at recurring intervals of time by nitrogen or a nitrogen-bearing, carbon dioxide-poor gas mixture in such a way that the proportion of oxygen in the room air is less than 20.9% by volume and the proportion of carbon dioxide in the room air is less than 1% by volume, wherein at the same time at least a slight overpressure in relation to an outside atmosphere surrounding the room is set in the room.
    Type: Application
    Filed: November 22, 2010
    Publication date: March 17, 2011
    Inventors: Volker SPIEGEL, Ulrich FUCHS
  • Patent number: 7841929
    Abstract: The invention concerns a method of adjusting a room air in a first room wherein the room air is supplemented continuously or at recurring intervals of time by nitrogen or a nitrogen-bearing, carbon dioxide-poor gas mixture in such a way that the proportion of oxygen in the room air is less than 20.9% by volume and the proportion of carbon dioxide of the room air is less than 1% by volume, wherein at the same time at least a slight overpressure in relation to an outside atmosphere surrounding the room is set in the room.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: November 30, 2010
    Assignee: Volker Spiegel
    Inventors: Volker Spiegel, Ulrich Fuchs
  • Publication number: 20060199518
    Abstract: The invention concerns a method of adjusting a room air in a first room wherein the room air is supplemented continuously or at recurring intervals of time by nitrogen or a nitrogen-bearing, carbon dioxide-poor gas mixture in such a way that the proportion of oxygen in the room air is less than 20.9% by volume and the proportion of carbon dioxide of the room air is less than 1% by volume, wherein at the same time at least a slight overpressure in relation to an outside atmosphere surrounding the room is set in the room.
    Type: Application
    Filed: December 2, 2003
    Publication date: September 7, 2006
    Inventors: Volker Spiegel, Ulrich Fuchs