Location History:
- Osnabruck, DE (1983 - 2000)
- Osnabrück, DE (2003)
Company Filing History:
3 out of 8 
1 out of 30 
1 out of 73 Years Active: 1983-2003
Title: Horst Gravemann: Innovator in Copper Alloy Technologies
Introduction
Horst Gravemann is a notable inventor based in Osnabruck, Germany, recognized for his contributions to the field of metallurgy, particularly in the development of age-hardenable copper alloys. With a total of seven patents to his name, Gravemann has made significant advancements that enhance the performance and durability of casting molds and rolls.
Latest Patents
Gravemann's latest patents include innovative methods for manufacturing casting molds and rolls made from age-hardenable copper alloys. One of his key inventions is a method for producing casting molds that utilize an electromagnetic rabbling mechanism in the continuous casting of steel. This method involves selecting a specific age-hardenable copper alloy with nickel content ranging from 0.1 to 2.0%, allowing for adjustable electrical conductivity between 80 to 35 IACS. The process includes melting, casting, hot-rolling, solution heat treating, and rapidly cooling the alloy, followed by age-hardening, resulting in molds with a tensile strength of at least 430 N/mm, high thermal conductivity, and low magnetic field damping.
Another significant patent focuses on a hardenable copper alloy suitable for manufacturing casting rolls and wheels that endure varying temperature stresses. This alloy comprises 1.0 to 2.6% nickel, 0.1 to 0.45% beryllium, and the remainder being copper, including impurities and customary processing additives. The resulting material boasts a Brinell hardness of at least 200 and an electric conductivity exceeding 38 mΩ·mm².
Career Highlights
Throughout his career, Gravemann has worked with prominent companies such as Km-Kabelmetal AG and Kabel- und Metallwerke Gutehoffnungshütte AG. His experience in these organizations has contributed to his expertise in the field of metallurgy and alloy development.
Collaborations
Gravemann has collaborated with notable colleagues, including Andreas Krause and Eike Weisner, further enhancing his innovative work in the industry.
Conclusion
Horst Gravemann's contributions to the development of age-hardenable copper alloys have significantly impacted the manufacturing of casting molds and rolls. His innovative methods and collaborations continue to influence the field of metallurgy, showcasing the importance of advancements in material science.
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.