Patents by Inventor Hans Henning ARTMANN

Hans Henning ARTMANN 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).

  • Firestop collar
    Patent number: 11628321
    Abstract: A firestop collar for sealing of openings, especially of line penetrations, that pass through walls or ceilings, has a frame and a block of optionally intumescent material disposed therein.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: April 18, 2023
    Assignee: Hilti Aktiengesellschaft
    Inventors: Herbert Muenzenberger, Hans Henning Artmann, Markus Koegler, Egon Berghofer
  • FIRESTOP COLLAR
    Publication number: 20230013036
    Abstract: A firestop collar for sealing of openings, especially of line penetrations, that pass through walls or ceilings, has a frame and a block of optionally intumescent material disposed therein.
    Type: Application
    Filed: September 22, 2022
    Publication date: January 19, 2023
    Applicant: Hilti Aktiengesellschaft
    Inventors: Herbert MUENZENBERGER, Hans Henning Artmann, Markus Koegler, Egon Berghofer
  • FIRESTOP COLLAR
    Publication number: 20200188711
    Abstract: A firestop collar for sealing of openings, especially of line penetrations, that pass through walls or ceilings, has a frame and a block of optionally intumescent material disposed therein, and is characterized in that the frame is of modular construction.
    Type: Application
    Filed: February 24, 2020
    Publication date: June 18, 2020
    Applicant: Hilti Aktiengesellschaft
    Inventors: Herbert MUENZENBERGER, Hans Henning Artmann, Markus Koegler, Egon Berghofer
  • Firestop collar
    Patent number: 10610711
    Abstract: A firestop collar (10) for sealing of an opening, especially of a line penetration (12), that passes through a wall (11) or ceiling, has a frame (16) and a block (20) of optionally intumescent material disposed therein, and is characterized in that the frame (16) is of modular construction.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: April 7, 2020
    Assignee: Hilti Aktiengesellschaft
    Inventors: Herbert Muenzenberger, Hans Henning Artmann, Markus Koegler, Egon Berghofer
  • Firestop collar
    Patent number: 10596399
    Abstract: A firestop collar (10) for sealing of openings, especially of line penetrations (12), that pass through walls (11) or ceilings, has a frame (16) and a block (20) of optionally intumescent material disposed therein, and is characterized in that the frame (16) is of modular construction.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: March 24, 2020
    Assignee: Hilti Aktiengesellschaft
    Inventors: Herbert Muenzenberger, Hans Henning Artmann, Markus Koegler, Egon Berghofer
  • FIRESTOP COLLAR
    Publication number: 20190184215
    Abstract: A firestop collar (10) for sealing of openings, especially of line penetrations (12), that pass through walls (11) or ceilings, has a frame (16) and a block (20) of optionally intumescent material disposed therein, and is characterized in that the frame (16) is of modular construction.
    Type: Application
    Filed: February 19, 2019
    Publication date: June 20, 2019
    Applicant: Hilti Aktiengesellschaft
    Inventors: Herbert Muenzenberger, Hans Henning Artmann, Markus Koegler, Egon Berghofer
  • FIRESTOP COLLAR
    Publication number: 20180015314
    Abstract: A firestop collar (10) for sealing of an opening, especially of a line penetration (12), that passes through a wall (11) or ceiling, has a frame (16) and a block (20) of optionally intumescent material disposed therein, and is characterized in that the frame (16) is of modular construction.
    Type: Application
    Filed: April 27, 2016
    Publication date: January 18, 2018
    Applicant: HILTI AKTIENGESELLSCHAFT
    Inventors: Herbert MUENZENBERGER, Hans Henning ARTMANN, Markus KOEGLER, Egon BERGHOFER