Patents by Inventor Antonius Marinus Ettema

Antonius Marinus Ettema 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).

  • Insulated metal wall construction
    Patent number: 6070382
    Abstract: A wall with enhanced fire resistance and thermal insulation is formed from first and second skins manufactured substantially from plate material, wherein insulating material manufactured from mineral wool is arranged between the skins, wherein the first skin is provided with noses arranged at regular distances and facing toward the inside of the wall, pointed connections are arranged between the noses and the second skin and a material strip manufactured from insulating material and dimensioned to absorb pressure forces is placed between the noses and the second skins.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: June 6, 2000
    Assignee: Rockwool Lapinus B.V.
    Inventor: Antonius Marinus Ettema