Patents by Inventor Dirk NIEPMANN

Dirk NIEPMANN 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).

  • AUTOCLAVED CEMENT COMPOSITIONS
    Publication number: 20220220035
    Abstract: The use of calcium aluminate cement in autoclaved cement products, cementitious compositions suitable for forming the autoclaved cement products, and methods for making the cementitious compositions and autoclaved cement products.
    Type: Application
    Filed: April 29, 2020
    Publication date: July 14, 2022
    Inventors: Bruno ESPINOSA, Dirk NIEPMANN, Jerome GROLLEAU, Eric CHARPENTIER, Jean-Noël BOUSSEAU