Tucson, AZ, United States of America

William Richard Stern

This inventor holds 2 USPTO granted patents and 3 published patent applications. Top assignee: The Anaconda Company. Active years: 1976-1980.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William Richard Stern. Retrieved from https://idiyas.com/inventor/william-richard-stern

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 30(Granted Patents)


Location History:

  • Tuscon, AZ (US) (1976)
  • Tucson, AZ (US) (1980)

Company Filing History:


Years Active: 1976-1980

Loading Chart...
2 patents (USPTO):Explore Patents

Title: Innovations of William Richard Stern

Introduction

William Richard Stern is a notable inventor based in Tucson, Arizona. He has made significant contributions to the field of materials recovery, particularly in the extraction of valuable metals. With a total of two patents to his name, Stern's work reflects a commitment to advancing industrial processes.

Latest Patents

Stern's latest patents include a process for recovering gallium and a method for recovering copper by cementation. The gallium recovery process involves leaching calcined clay with hydrochloric acid, followed by ion exchange to separate aluminum ions. The remaining solution is treated to reduce ferric ions to ferrous ions, allowing for the acidification and ultimate recovery of gallium. His second patent focuses on recovering copper using cementation, where copper-iron materials are utilized as part of the cementation scrap, effectively separating the two metals.

Career Highlights

Stern is currently associated with the Anaconda Company, where he applies his expertise in metal recovery processes. His innovative approaches have the potential to enhance efficiency and sustainability in metal extraction.

Collaborations

Stern has worked alongside notable colleagues such as Robert E. Sullivan and Bess L. Vance, contributing to a collaborative environment that fosters innovation.

Conclusion

William Richard Stern's contributions to the field of materials recovery through his patents demonstrate his innovative spirit and dedication to improving industrial processes. His work continues to influence the way valuable metals are extracted and recovered.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…