Patents by Inventor Daniel Nicoud

Daniel Nicoud 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).

  • Plasma producing gas for plasma projection of metallic oxide
    Patent number: 5271869
    Abstract: The plasma producing gas consists of a ternary mixture of helium, argon and hydrogen and contains at least about 10% hydrogen, typically 30 to 70% helium, 10 to 50% argon and 10 to 25% hydrogen, preferably 20% (.+-.5%) hydrogen. Use for the plasma projection of metallic oxide.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: December 21, 1993
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Daniel Nicoud, Jean-Martial Leger, Pierre Fauchais, Alain Grimaud
  • Gas mixture and welding method
    Patent number: 4999474
    Abstract: Gas mixture suitable for MAG welding at a high current using a rod filled with non-alloyed or low alloy steels, comprises 20 to 65% argon, 5 to 20% helium, and at least 30% CO.sub.2.
    Type: Grant
    Filed: March 27, 1990
    Date of Patent: March 12, 1991
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jean-Pierre Schultz, Jean Soler, Daniel Nicoud