Patents by Inventor Arvid BJERKESTRAND

Arvid BJERKESTRAND 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).

  • Gas detector
    Patent number: 10416139
    Abstract: The present invention relates to a gas detector cell and cell unit for optical detection of a predetermined gas, the cell being provided with optical means for investigating a gas sample present in the cell. The cell is constituted by a volume enclosed in a container, at least part of the container wall being constituted by a membrane, the membrane being provided with openings allowing diffusion of gas therethrough, and the membrane openings being provided with a catalyst for converting the gas diffusing therethrough to said predetermined gas.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: September 17, 2019
    Assignee: Simtronics AS
    Inventors: Ib-Rune Johansen, Preben Storås, Matthieu Lacolle, Dag Thorstein Wang, Arne Karlsson, Jon Olav Grepstad, Arvid Bjerkestrand
  • GAS DETECTOR
    Publication number: 20160320361
    Abstract: The present invention relates to a gas detector cell and cell unit for optical detection of a predetermined gas, the cell being provided with optical means for investigating a gas sample present in the cell. The cell is constituted by a volume enclosed in a container, at least part of the container wall being constituted by a membrane, the membrane being provided with openings allowing diffusion of gas therethrough, and the membrane openings being provided with a catalyst for converting the gas diffusing therethrough to said predetermined gas.
    Type: Application
    Filed: December 12, 2014
    Publication date: November 3, 2016
    Inventors: Ib-Rune JOHANSEN, Preben STORÅS, Matthieu LACOLLE, Dag Thorstein WANG, Arne KARLSSON, Jon Olav GREPSTAD, Arvid BJERKESTRAND