Patents by Inventor Christian Viermann

Christian Viermann 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).

  • Leadthrough for passing conduits through constructional components
    Patent number: 8188382
    Abstract: A leadthrough for passing conduits (6) through a constructional component (5) includes a circumferentially closed housing (12), an insert (21) of intumescent material located in the housing (12), and a first and second diaphragm-shaped sealing members (31, 36) formed, respectively, of an elastic material, and a textile flat material, each having a through-opening (32, 37) and both located in the housing (12), with the second sealing member (36) having a transition temperature of at least 600° C.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: May 29, 2012
    Assignee: Hilti Aktiengesellschaft
    Inventors: Thomas Monden, Christian Viermann
  • Leadthrough for passing conduits through constructional components
    Publication number: 20090218130
    Abstract: A leadthrough for passing conduits (6) through a constructional component (5) includes a circumferentially closed housing (12), an insert (21) of intumescent material located in the housing (12), and a first and second diaphragm-shaped sealing members (31, 36) formed, respectively, of an elastic material, and a textile flat material, each having a through-opening (32, 37) and both located in the housing (12), with the second sealing member (36) having a transition temperature of at least 600° C.
    Type: Application
    Filed: February 26, 2009
    Publication date: September 3, 2009
    Inventors: Thomas Monden, Christian Viermann