This inventor holds 33 USPTO granted patents and 2 published patent applications and 5 EPO patents, primarily in Copper Electrowinning. Top assignees: Phelps Dodge Corporation, Freeport-Mcmoran Corporation, Phelphs Dodge Corporation. Active years: 2002-2012.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Phoenix, AZ (US) (2002 - 2011)
- Paradise Valley, AZ (US) (2010 - 2012)
Company Filing History:
21 out of 35 
11 out of 60 
1 out of 1 Years Active: 2002-2012
Areas of Expertise:
Title: The Innovative Journey of John O. Marsden in Copper Electrowinning
Introduction
John O. Marsden, based in Phoenix, AZ, is a prolific inventor known for his contributions to the field of metal recovery, particularly in copper electrowinning. With an impressive portfolio of 33 patents, Marsden has significantly advanced technologies that enable the efficient extraction of metal values from various materials. His work not only showcases his innovative spirit but also highlights the importance of collaboration in the development of groundbreaking technologies.
Latest Patents
Among his most recent inventions is a patented "Method and apparatus for electrowinning copper using an atmospheric leach with ferrous/ferric anode reaction electrowinning." This invention focuses on a sophisticated process to recover copper and other metals through a unique leaching process enhanced by the synergistic addition of ferrous iron during the leach step.
Another noteworthy innovation by Marsden is the "System and method for producing copper powder by electrowinning in a flow-through electrowinning cell." This patent outlines a system that leverages conventional electrowinning chemistry to produce high-quality metal powders, including copper powder, from metal-containing solutions. This advancement has the potential to revolutionize the production of metal powders through direct electrowinning processes.
Career Highlights
Throughout his career, John O. Marsden has worked with prominent companies such as Phelps Dodge Corporation and Freeport-McMoRan Corporation. His experience in these leading organizations has enabled him to apply his inventive ideas on a large scale, contributing to the engineering and production of copper recovery systems.
Collaborations
Marsden’s journey has been enriched through collaborations with notable colleagues, including David R. Baughman and Wayne Werneke Hazen. These partnerships have fostered an exchange of ideas and expertise, further enhancing the effectiveness and reach of his inventions.
Conclusion
John O. Marsden's work exemplifies innovation in the field of copper electrowinning and metal recovery technologies. With his 33 patents, he continues to influence the landscape of metal production, demonstrating the transformative power of innovation and collaboration in advancing industrial processes. His contributions not only improve the efficiency of metal recovery but also pave the way for sustainable practices in the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile