Patents by Inventor Paul Norman Trevena

Paul Norman Trevena 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).

  • Publication number: 20180228997
    Abstract: A pneumatic oxygen conserver delivering a constant minute flow volume rate to a nasal mask, face mask, or nasal cannula is rendered lightweight by using tubing connected between the conserver and an oxygen source as a reservoir of oxygen for delivery to the nasal mask, face mask, or nasal cannula.
    Type: Application
    Filed: February 16, 2018
    Publication date: August 16, 2018
    Applicant: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Stephen Bruce Krentler, Hans Irr, Paul Norman Trevena