Company Filing History:
2 out of 31 
1 out of 1 
1 out of 2 Years Active: 1989-2005
Title: The Innovations of Fred M Fehsenfeld
Introduction
Fred M Fehsenfeld is a notable inventor based in Indianapolis, IN. He has made significant contributions to the field of mechanical separation and metal processing, holding a total of four patents. His work focuses on innovative methods that enhance the efficiency and effectiveness of metal recovery processes.
Latest Patents
Fehsenfeld's latest patents include a method for the mechanical separation of volatile metals at high temperatures. This method allows for the separation of various volatile metals, metal halides, and metal oxides, resulting in the production of high-purity materials. Another significant patent involves the dual use of an induction furnace to produce hot metal or pig iron while processing iron and volatile metal-containing materials. This method enables the operation of an induction furnace to receive electric arc furnace dust, basic oxygen furnace sludge, and other materials, producing an iron-containing hot metal product while recovering valuable components.
Career Highlights
Throughout his career, Fehsenfeld has worked with several companies, including Heritage Environmental Services and Electronics Research Group. His expertise in metal processing and recovery has made him a valuable asset in these organizations.
Collaborations
Fehsenfeld has collaborated with notable individuals in his field, including Donald M Silva and LeRoy F Silva. These collaborations have contributed to the advancement of his innovative methods and technologies.
Conclusion
Fred M Fehsenfeld's contributions to the field of metal processing and recovery are noteworthy. His innovative patents and career achievements reflect his dedication to advancing technology in this area. His work continues to influence the industry and pave the way for future innovations.