Patents by Inventor Ejvind Voldby LARSEN

Ejvind Voldby LARSEN 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).

  • METHOD OF MAKING MINERAL FIBRES
    Publication number: 20230075323
    Abstract: The invention provides a method to form a melt for making man-made vitreous fibres, in which mineral raw material is melted in a gas-fired cyclone furnace and the mineral charge comprises a material that comprises metallic aluminium.
    Type: Application
    Filed: January 29, 2021
    Publication date: March 9, 2023
    Inventors: Lars Elmekilde HANSEN, Ejvind Voldby LARSEN
  • METHOD FOR MAKING MAN-MADE VITREOUS FIBRES
    Publication number: 20230062262
    Abstract: The invention provides methods of making man-made vitreous fibres (MMVF), comprising incorporating metallic aluminium into the mineral charge, with the benefit of reduced shrinkage of consolidated MMVF products.
    Type: Application
    Filed: January 29, 2021
    Publication date: March 2, 2023
    Inventors: Lars Elmekilde HANSEN, Ejvind Voldby LARSEN
  • METHOD FOR MAKING MAN-MADE VITREOUS FIBRES
    Publication number: 20230061070
    Abstract: The invention provides methods of making man-made vitreous fibres (MMVF), comprising providing an electric furnace having molybdenum electrodes, providing mineral raw material, wherein the mineral raw material comprises (a) particulate material that comprises metallic aluminium and (b) other mineral component, introducing the mineral raw material into the furnace, melting the mineral raw material to form a mineral melt, and forming MMVF from the mineral melt, with the benefit of reduced shrinkage of consolidated MMVF products.
    Type: Application
    Filed: January 29, 2021
    Publication date: March 2, 2023
    Inventors: Lars Elmekilde HANSEN, Ejvind Voldby LARSEN