Patents by Inventor Rolf JAKOBSEN

Rolf JAKOBSEN 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).

  • Tunnel profile element
    Patent number: 11994029
    Abstract: A tunnel profile element is disclosed. The tunnel profile element includes a lightweight body constituted by a plurality of foam glass side wall panels and a foam glass roof panel between the plurality of side wall panels. The foam glass panels being sprayed with unbroken polyurea layer.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: May 28, 2024
    Assignee: FOAMROX AS
    Inventor: Rolf Jakobsen
  • TUNNEL PROFILE ELEMENT
    Publication number: 20230032471
    Abstract: The present invention disclose a tunnel profile element (10, 20A, 20) comprising a lightweight body constituted by foam glass panels sprayed with unbroken polyurea layer providing a fire resistant coating, and which is providing increased mechanical integrity of the tunnel profile element (10, 20A, 20).
    Type: Application
    Filed: September 26, 2022
    Publication date: February 2, 2023
    Inventor: Rolf JAKOBSEN
  • Tunnel profile element
    Patent number: 11459886
    Abstract: The present invention disclose a tunnel profile element (10, 20A, 20) comprising a lightweight body constituted by foam glass panels sprayed with unbroken polyurea layer providing a fire resistant coating, and which is providing increased mechanical integrity of the tunnel profile element (10, 20A, 20).
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: October 4, 2022
    Assignee: FOAMROX AS
    Inventor: Rolf Jakobsen
  • Tunnel wall element and a method of assembling tunnel walls comprising the tunnel wall elements
    Patent number: 10844716
    Abstract: The present invention disclose a tunnel wall element comprising a lightweight body element coated with a fire resistant coating providing increased mechanical integrity of the tunnel wall element. The present invention is also related to a method of building road and railway tunnels with the lightweight coated tunnel element.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: November 24, 2020
    Assignee: FOAMROX AS
    Inventor: Rolf Jakobsen
  • A TUNNEL PROFILE ELEMENT
    Publication number: 20200277855
    Abstract: The present invention disclose a tunnel profile element (10, 20A, 20) comprising a lightweight body constituted by foam glass panels sprayed with unbroken polyurea layer providing a fire resistant coating, and which is providing increased mechanical integrity of the tunnel profile element (10, 20A, 20).
    Type: Application
    Filed: September 10, 2018
    Publication date: September 3, 2020
    Inventor: Rolf JAKOBSEN
  • A TUNNEL WALL ELEMENT AND A METHOD OF ASSEMBLING TUNNEL WALLS COMPRISING THE TUNNEL WALL ELEMENTS
    Publication number: 20190112925
    Abstract: The present invention disclose a tunnel wall element comprising a lightweight body element coated with a fire resistant coating providing increased mechanical integrity of the tunnel wall element. The present invention is also related to a method of building road and railway tunnels with the lightweight coated tunnel element.
    Type: Application
    Filed: March 29, 2017
    Publication date: April 18, 2019
    Inventor: Rolf JAKOBSEN