Company Filing History:
Years Active: 1992-1994
Title: The Innovative Contributions of David E Hall
Introduction
David E Hall is a notable inventor based in Sudbury, Canada, recognized for his significant contributions to the field of metallurgy. With a total of three patents to his name, Hall has made strides in the conversion processes of non-ferrous materials, particularly nickel and copper sulfides. His work has implications for improving efficiency and reducing environmental impact in metal processing.
Latest Patents
Hall's latest patents include innovative methods for the conversion of non-ferrous sulfides and matte. The first patent focuses on the smelting or converting of particulate sulfide material, where a molten seed bath is utilized in a reaction vessel. This process involves injecting particulate sulfide material below the surface of the melt and employing top blowing with an oxygen-containing gas to generate heat and oxidize the sulfides, significantly reducing dust generation. The second patent details a non-ferrous matte conversion process, where molten non-ferrous matte is stirred from below with a non-reactive gas and surface-blown with an oxygen-containing gas. This method incorporates the addition of flux and cold crushed matte to maintain temperature and improve efficiency.
Career Highlights
David E Hall has built a successful career at Inco Limited, a company known for its expertise in metallurgy and mining. His innovative approaches to metal conversion processes have not only advanced the field but have also contributed to the company's reputation for technological leadership.
Collaborations
Throughout his career, Hall has collaborated with esteemed colleagues such as Carlos A Landolt and Samuel W Marcuson. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
David E Hall's contributions to the field of metallurgy through his patents and career at Inco Limited highlight his role as a significant inventor. His innovative methods for converting non-ferrous materials demonstrate the potential for advancements in metal processing.