Company Filing History:
3 out of 150 
1 out of 32 
1 out of 3 Years Active: 1995-2001
Title: **Gunter Schrey: Innovator in Metallurgical Processes**
Introduction
Gunter Schrey is a notable inventor based in Linz, Austria, recognized for his innovative contributions to metallurgical processes. With a total of five patents to his name, he has dedicated his career to refining methods that enhance the efficiency and sustainability of iron and steel production.
Latest Patents
One of Schrey's latest patents outlines a novel process for the production of liquid pig iron and spongy metal from charge materials such as iron ore. The method involves a two-stage reduction process where charging substances are directly reduced to sponge iron in a primary reduction zone, which is then melted down in a gasifying zone. This process not only creates a CO and H2-containing reducing gas but also ensures that by-products are efficiently managed. The top gas produced is cleaned and recycled for further reductions, minimizing waste and energy consumption.
Career Highlights
Throughout his career, Gunter Schrey has worked with several prominent companies, including Voest-Alpine Industrieanlagenbau GmbH and Deutsche Voest-Alpine Industrieanlagenbau GmbH. His work at these organizations has not only advanced his personal innovations but also contributed significantly to the progress of metallurgical engineering.
Collaborations
Gunter has collaborated with distinguished colleagues in his field, including Gero Tessmer and Herbert Grunbacher. These partnerships have enriched his projects and facilitated the exchange of ideas that drive innovation in production methods.
Conclusion
Gunter Schrey's contributions to metallurgical processes illustrate the vital role of inventors in advancing industrial efficiency and sustainability. His patented methods exemplify innovation that meets the challenges of modern manufacturing, highlighting the importance of continuous research and development in the field.