Patents by Inventor Stanislas F. Ulens

Stanislas F. Ulens 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 repairing the tubes of a steam generator
    Patent number: 4696723
    Abstract: For repairing the tubes (2') of a steam generator (1), an impervious metallic sleeve is formed along the defective area (26) of the internal wall of a tube (2') by a wet process. The surface treatment is carried out on the spot in the tube (2') by means of a nickel solution free from chlorine, preferably a nickel sulphamate solution free from chlorine.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: September 29, 1987
    Assignee: N.V. Verenigde Energiebedrijven Van Het Scheldeland Mechelsesteenweg
    Inventors: Herman Bosquet, Stanislas F. Ulens