Patents by Inventor Jozef A. Helsen

Jozef A. Helsen 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).

  • Process for preparing glass and for conditioning the raw materials intended for this glass preparation
    Patent number: 6009724
    Abstract: The invention concerns a process for preparing glass, more specifically glass powder or glass films, together with a process for conditioning the raw materials intended for preparing glass characterized in that raw materials are converted to freely flowing powder suitable for feeding to a plasma torch in which the powder is converted to glass.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: January 4, 2000
    Inventors: Jozef A. Helsen, Joris Proost, Etienne Brauns