Company Filing History:
1 out of 22 
1 out of 12 Years Active: 1989
Title: Innovations of Hans-Joachim Fleischer
Introduction
Hans-Joachim Fleischer is a notable inventor based in Velbert, Germany. He has made significant contributions to the field of materials science, particularly in the development of advanced metallic products. With a total of two patents to his name, Fleischer's work focuses on enhancing the properties of ferritic steel and metallic semi-finished products.
Latest Patents
Fleischer's latest patents include innovations in semi-finished products of ferritic steel and catalytic substrates. His first patent describes a ferritic, heat-resistant steel that improves behavior at high application temperatures through the addition of oxygen-affinitive elements. This innovation stabilizes the electric resistance of heating elements by incorporating zirconium, titanium, and rare earth metals. Additionally, it significantly reduces creep elongation under load at temperatures exceeding 900 degrees Celsius, thereby increasing thermal stress capacity. The resulting complex oxide coating enhances the protective function, preserving the metallic cross-section during continuous and cyclic heat treatments.
His second patent relates to a metallic semi-finished product based on iron, nickel, and cobalt, containing 2 to 16% aluminum and 12 to 30% chromium. This invention features the formation of metallic columnar crystals in the surface region, with columnar crystals of aluminum oxide and/or chromium oxide growing out of these metallic structures. The axes of these crystals are predominantly at right angles to the geometric surface of the semi-finished product.
Career Highlights
Fleischer has worked with prominent companies in the industry, including Thyssen Edelstahlwerke AG and Thyssen Aktiengesellschaft Vorm. August Thyssen-Hütte. His experience in these organizations has contributed to his expertise in materials development and innovation.
Collaborations
Throughout his career, Fleischer has collaborated with notable colleagues such as Kurt Bohnke and Helmut Brandis. Their joint efforts have likely played a role in advancing the research and development of new materials.
Conclusion
Hans-Joachim Fleischer's contributions to the field of materials science through his patents and collaborations highlight his innovative spirit and dedication to improving industrial materials. His work continues to influence advancements in the industry.
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