Company Filing History:
2 out of 4 
2 out of 5,071 
1 out of 619 
Years Active: 1998-2001
Title: Kevin L. Stuffle: Innovator in Bioleaching Technologies
Introduction
Kevin L. Stuffle is a notable inventor based in Tucson, AZ, with a significant contribution to the field of bioleaching technologies. He holds a total of eight patents, showcasing his innovative approach to enhancing metal extraction processes. His work primarily focuses on utilizing biological methods to improve efficiency in chemical leach operations.
Latest Patents
Among his latest patents, the "Rapid Ferrous Sulfate Biooxidation" stands out. This invention discloses an improved process for using iron-oxidizing bacteria to reactivate the raffinate ferrous sulfate solution in chemical leach operations. The process incorporates a biological raffinate converter, or BRC, which serves as a key feature. This method provides enhanced efficiency and commercial utility compared to the best-known biological processes for converting raffinate ferrous sulfate. The resulting ferric sulfate can then be recycled back into the bioleaching process, such as extracting copper from chalcocite. Another significant patent is the "Sulfide Mineral Concentrate Bioleaching," which presents a novel process and bioreactor designed to enhance the bioleaching of metals from sulfide mineral concentrations.
Career Highlights
Throughout his career, Kevin has worked with several companies, including Mbx Systems, Inc. and Phillips Petroleum Company. His experience in these organizations has contributed to his expertise in the field of bioleaching and metal extraction technologies.
Collaborations
Kevin has collaborated with notable individuals in his field, including John Lang Lombardi and James E. Sharp. These partnerships have likely enriched his work and led to further advancements in his innovative processes.
Conclusion
Kevin L. Stuffle's contributions to bioleaching technologies through his patents and collaborations highlight his role as a significant innovator in the field. His work continues to influence the efficiency of metal extraction processes, showcasing the importance of innovation in industrial applications.