Patents by Inventor Thomas Wellnitz

Thomas Wellnitz 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).

  • Air treatment plant provided with noise attenuation means
    Patent number: 6451097
    Abstract: An air treatment plant includes a waste gas vent connected to structure (50) for attenuating the noise conducted by this waste gas. The noise attenuation structure (50) is a substantially closed and at least partially buried enclosure (52). The invention applies especially to plants for separating air by pressure swing adsorption.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: September 17, 2002
    Assignee: L'Air Liquide Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Philippe Andreani, Christian Berta, Thomas Wellnitz