Location History:
- St-Julien-les-Metz, FR (1978 - 1983)
- St. Julien-les-Metz, FR (1984)
- Saint-Julien-les-Metz, FR (1988)
Company Filing History:
3 out of 35 
1 out of 1 
1 out of 37 Years Active: 1978-1988
Title: Hugues Zanetta: Innovator in Smelting Technology
Introduction
Hugues Zanetta is a notable inventor based in St-Julien-les-Metz, France. He has made significant contributions to the field of smelting technology, holding a total of five patents. His work focuses on innovative devices that enhance the efficiency and effectiveness of industrial processes.
Latest Patents
Zanetta's latest patents include a device for injecting divided solid materials in a smelting blast furnace. This invention features a tuyere with a cylindrical or slightly convergent frusto-conical downstream part and a divergent frusto-conical upstream part. A plasma torch is positioned co-axially to the tuyere, allowing solid materials to be injected at an angle that corresponds to the natural expansion of the plasma jet. This design ensures that the materials are effectively carried with the plasma jet and deposited onto the inner wall of the tuyere.
Another significant patent is for an oxygen lance used in steel converters. This gas-injection lance has a main tube with multiple inner orifices and is designed to deliver treatment gas under pressure. The gas exits through the orifices at supersonic speed, while an annular array of nozzles allows for controlled gas flow at subsonic speed. This innovative design enhances the efficiency of gas injection in steel production.
Career Highlights
Throughout his career, Hugues Zanetta has worked with esteemed organizations such as the Institut de Recherches de la Siderurgie Francaise. His experience in these research institutions has allowed him to develop and refine his innovative technologies in smelting.
Collaborations
Zanetta has collaborated with notable professionals in his field, including Jacques Michelet and Bernard Schaffar. These partnerships have contributed to the advancement of his inventions and the overall progress in smelting technology.
Conclusion
Hugues Zanetta's contributions to smelting technology through his innovative patents demonstrate his expertise and commitment to advancing industrial processes. His work continues to influence the field and improve efficiency in steel production.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.