Patents by Inventor Hans Gaida

Hans Gaida 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).

  • High rise building with a stairwell and a intake air shaft
    Patent number: 9187918
    Abstract: A high-rise building has a stairwell, an air supply shaft, inlet openings connecting the air supply shaft to the stairwell, and a pressure system for keeping the stairwell free from smoke. The stairwell is vertically divided into several partial spaces. The separation is performed by at least one partition. Each partition has a door enabling a passage from one partial space of the stairwell into an adjacent partial space.
    Type: Grant
    Filed: April 8, 2011
    Date of Patent: November 17, 2015
    Assignee: SWISS RALTEC GMBH
    Inventors: Horst A. Ermer, Hans Gaida
  • High Rise Building With A Stairwell And A Intake Air Shaft
    Publication number: 20110179732
    Abstract: A high-rise building has a stairwell, an air supply shaft, inlet openings connecting the air supply shaft to the stairwell, and a pressure system for keeping the stairwell free from smoke. The stairwell is vertically divided into several partial spaces. The separation is performed by at least one partition. Each partition has a door enabling a passage from one partial space of the stairwell into an adjacent partial space.
    Type: Application
    Filed: April 8, 2011
    Publication date: July 28, 2011
    Inventors: Horst A. Ermer, Hans Gaida