Patents by Inventor Joachim Grundmann

Joachim Grundmann 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).

  • Method for conditioning a liquid in receptacle fitted with a positive pressure valve
    Patent number: 6655419
    Abstract: A method for conditioning a receptacle which can contain a pressurized liquid, e.g. a gas cylinder, whereby the receptacle is fitted with a positive pressure valve into which a gas with a water or water vapor content of less than 40 ppmv is introduced after the internal volume, i.e. the inside, of the receptacle has been dried in order to remove any water vapor therein. A receptacle conditioned in such a way can be used in a welding operation, especially TIG, MIG or MAG welding, or in a plasma-arc cutting operation.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: December 2, 2003
    Assignee: L'Air Liquide - Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventor: Joachim Grundmann