Location History:
- 68300 St. Louis, FR (1988)
- Le Verger, FR (1989 - 1990)
Company Filing History:
7 out of 6,858 
1 out of 309 
1 out of 832,912 Years Active: 1988-1990
Title: **Andre Metzger: Innovator in Automated Sample Preparation Systems**
Introduction
Andre Metzger, based in Le Verger, France, is a notable inventor with a strong portfolio of nine patents. Her innovative work primarily focuses on the automation of sample preparation for chemical assays, showcasing her dedication to advancing analytical techniques.
Latest Patents
Among her latest inventions is a revolutionary **System for Preparation of Samples for Analysis**. This automated system encompasses a sample preparation chamber equipped with a removable cup designed for solid or viscous samples. The cup, which is sealed with a cap, integrates utilities like a mixer/grinder for grinding and mixing non-homogeneous samples, a fill pipe for liquid samples, and a specialized nozzle for spraying liquids. Additionally, a sample metering valve facilitates the isolation of specific sample volumes, enabling dilution to user-defined concentrations effectively.
Another significant patent is the **Sample Preparation Chamber with Mixer/Grinder**. This chamber features a threaded cap and a lightweight, translucent cup. It includes a stirrer/grinder shaft connected to a propeller, ensuring efficient mixing and grinding. The innovative design incorporates a fill and empty pipe, allowing the convenient washing down of walls as liquids are introduced into the cup. Furthermore, a second fill pipe and a sample metering valve ensure precise control over sample volumes and concentrations.
Career Highlights
Andre Metzger's career includes valuable contributions to prominent companies such as Ciba-Geigy Corporation and Spectra-Physics GmbH. Her expertise in sample preparation systems has positioned her as a reputable figure in the field of analytical chemistry, driving advancements in laboratory efficiency and accuracy.
Collaborations
Throughout her career, Metzger has collaborated with notable coworkers, including Andre J. Nohl and Vance J. Nau. These partnerships have fostered an environment of innovation and support, enabling her to enhance her research and development initiatives.
Conclusion
Andre Metzger's contributions to the field of automated sample preparation exemplify her innovative spirit and commitment to advancing scientific research. Her patents not only reflect her technical knowledge but also her passion for improving analytical methodologies. As she continues to develop new technologies, Metzger remains a prominent figure in the landscape of modern invention.