Murrysville, PA, United States of America

Richard J Fruehan

This inventor holds 5 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents. Top assignees: Alcoa Inc., Elkem as, Carnegie Mellon University. Active years: 1995-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard J Fruehan. Retrieved from https://idiyas.com/inventor/richard-j-fruehan

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

USPTO Granted Patents = 5

% Patents Active = 80.0

CIPO Patents = 1

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 2.3

ph-index = 2

Forward Citations = 10(Granted Patents)

Company Filing History:

Carnegie Mellon University

The United States of America as Represented by the Department of Energy

patents

where one patent can have more than one assignee

Years Active: 1995-2010

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7819937 - Use of alumina-carbon agglomerates in the carbothermic production of aluminum (2010-10-26),

2. 7753988 - Use of alumina-carbon agglomerates in the carbothermic production of aluminum (2010-07-13),

3. 7556667 - Low carbon aluminum production method using single furnace carbothermic reduction operated in batch mode (2009-07-07),

4. 6849101 - Method using selected carbons to react with Al2O and Al vapors in the carbothermic production of aluminum (2005-02-01),

5. 5378260 - Two-zone countercurrent smelter system and process (1995-01-03),

Title: The Innovations of Richard J. Fruehan

Introduction

Richard J. Fruehan is a notable inventor based in Murrysville, PA (US). He has made significant contributions to the field of aluminum production, holding a total of 5 patents. His work focuses on improving the efficiency and sustainability of aluminum manufacturing processes.

Latest Patents

Fruehan's latest patents include the innovative use of alumina-carbon agglomerates in the carbothermic production of aluminum. This patent discloses an agglomerate comprising alumina, carbon, and a binder for use in a vapor recovery reactor of a carbothermic alumina reduction furnace. Additionally, it outlines a method for using these agglomerates to capture aluminum vapor species and utilize waste heat from off-gases in a vapor recovery reactor to form a recyclable material.

Career Highlights

Throughout his career, Richard J. Fruehan has worked with prominent companies such as Alcoa Inc. and Elkem AS. His experience in these organizations has allowed him to develop and refine his innovative ideas in aluminum production.

Collaborations

Fruehan has collaborated with notable professionals in his field, including David J. Roha and Anders Schei. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Richard J. Fruehan's contributions to aluminum production through his innovative patents and collaborations highlight his importance in the field. His work continues to influence the industry and promote sustainable practices in manufacturing.

Profile summary based on public USPTO records.