This inventor holds 4 USPTO granted patents. Top assignees: Benteler Werke Ag, Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft. Active years: 1981-1986.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 23 
1 out of 177 
Years Active: 1981-1986
Title: Lothar Harmsen: Innovator in Electric Arc Furnace Technology
Introduction
Lothar Harmsen is a notable inventor based in Lingen, Germany, recognized for his contributions to the field of electric arc furnace technology. With a total of four patents to his name, Harmsen has made significant advancements in the melting of metals, particularly steel.
Latest Patents
One of Harmsen's latest patents is an electric arc furnace designed for melting metal, especially steel. This innovative furnace features a container with an upper open-ended cylindrical wall portion and a lower cylindrical wall portion that extends downward and is closed at the bottom. The design allows for a bath of molten material to be received during operation, maintaining a predetermined maximum elevation above the bottom of the container. The outer metal shell and refractory material covering the lower wall portion enhance the furnace's efficiency. Additionally, the upper wall portion has an inner diameter greater than the outer diameter of the lower wall portion's metal shell, increasing the charging volume without altering the height of the container.
Another significant patent involves a method for lowering electrodes in an electric arc furnace. This method includes vertically displaceable electrode holders that extend through the furnace cover. The process involves swinging the furnace cover completely away from the vessel and adjusting the free lengths of the electrodes below the clamps to ensure a stable electric arc.
Career Highlights
Throughout his career, Lothar Harmsen has worked with prominent companies such as Benteler Werke AG and Maschinenfabrik Augsburg-Nürnberg Aktiengesellschaft. His experience in these organizations has contributed to his expertise in furnace technology and innovation.
Collaborations
Harmsen has collaborated with notable individuals in his field, including Jurgen Zieschang and Klaus Bick. These partnerships have likely fostered the exchange of ideas and advancements in electric arc furnace technology.
Conclusion
Lothar Harmsen's contributions to electric arc furnace technology have established him as a significant figure in the field of metal melting. His innovative patents and collaborations reflect his commitment to advancing industrial processes.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile