Patents by Inventor Elisabeth Siebert

Elisabeth Siebert 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).

  • ANAMORPHIC LENS
    Publication number: 20260009983
    Abstract: According to one aspect of the present invention, there is provided an anamorphic objective lens having optical elements arranged along an optical axis in a sequence from an object side to an image side, the optical elements including: a first objective section arranged on the object side; a second objective section arranged on the image side; and a diaphragm arranged between the first and second objective sections, wherein the second objective section includes at least one astigmatizer.
    Type: Application
    Filed: July 7, 2025
    Publication date: January 8, 2026
    Inventors: Christoph Horneber, Elisabeth Siebert, Volker Türck, David Kellermann, Viola Evang
  • Oxygen gauge the working electrode of which is composed of a macrocyclic pyrolic compound
    Patent number: 4526674
    Abstract: Oxygen gauges in which the working electrode is composed of a macrocyclic pyrolic compound.These gauges are intended to be used for the measurement of oxygen concentration in a gaseous medium.Application for the measurement of oxygen partial pressure at low temperatures.
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: July 2, 1985
    Assignee: Societe Nationale Elf Aquitaine
    Inventors: Mireille Fouletier, Elisabeth Siebert, Jacques Le Moigne
  • Electrochemical system for measuring the partial oxygen pressure in a gaseous or liquid atmosphere
    Patent number: 4479867
    Abstract: Electrochemical system for measuring the partial pressure of oxygen in a gaseous or liquid atmosphere, in which the electrolyte is a halogenide mixture doped with peroxide ions. This system constitutes an oxygen gauge permitting measurements at temperatures below 200.degree. C.
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: October 30, 1984
    Assignee: Societe Nationale Elf Aquitaine
    Inventors: Elisabeth Siebert, Jacques Fouletier, Serge Vilminot