This inventor holds 3 USPTO granted patents. Top assignees: Didier-Werke Ag, M.a.n. Maschinenfabrik Augsburg-Nurnberg A.g.. Active years: 1987-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Mainz, DE (1987 - 1988)
- Mainz-Bretzenheim, DE (1989)
Company Filing History:

Years Active: 1987-1989
Title: Hartmut Hlawatschek: Innovator in Refractory Technology
Introduction
Hartmut Hlawatschek is a notable inventor based in Mainz, Germany. He has made significant contributions to the field of refractory technology, holding a total of 3 patents. His work focuses on improving the durability and efficiency of furnace components.
Latest Patents
Hlawatschek's latest patents include a revolutionary furnace hearth designed for use in DC arc furnaces. This hearth features an upper layer of magnesia containing chromic oxide, a lower layer of graphite with an organic bonding agent, and an intermediate layer that combines materials from both the upper and lower layers. This innovative design enhances service durability, particularly in applications where steel rods act as the anode. Another significant patent involves refractory compositions that can be gun-applied, which include sintered magnesite and/or sintered dolomite as the main component. These compositions are characterized by the inclusion of magnesium hydroxide and/or caustic-calcined MgO, ensuring that they do not exhibit binder migration or suffer from cracks and chipping.
Career Highlights
Throughout his career, Hlawatschek has worked with prominent companies such as Didier-Werke AG and MAN Maschinenfabrik Augsburg-Nürnberg AG. His experience in these organizations has allowed him to refine his expertise in refractory materials and furnace technology.
Collaborations
Hlawatschek has collaborated with notable professionals in his field, including Gunter Gelsdorf and Kurt Bohm. These partnerships have contributed to the advancement of refractory technology and the successful development of his patented inventions.
Conclusion
Hartmut Hlawatschek's innovative work in refractory technology has led to significant advancements in furnace design and materials. His contributions continue to impact the industry positively, showcasing the importance of innovation in engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile