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For the Inventor, By the Inventor

Bedford, MA, United States of America

Alkis S Rappas

This inventor holds 18 USPTO granted patents, primarily in Metal Recovery Processes. Top assignees: Kennecott Copper Corporation, Cabot Corporation, Bp Corporation North America Inc.. Active years: 1977-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alkis S Rappas. Retrieved from https://idiyas.com/inventor/alkis-s-rappas

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 6

Forward Citations = 97(Granted Patents)


Location History:

  • Arlington, MA (US) (1977 - 1978)
  • Bedford, MA (US) (1978 - 1982)
  • Bainbridge, OH (US) (1996)
  • Chagrin Falls, OH (US) (1983 - 2002)

Company Filing History:

goldMedal8 out of 99 
 
Kennecott Copper Corporation
 patents
silverMedal6 out of 838 
 
Cabot Corporation
 patents
bronzeMedal1 out of 501 
 
Bp Corporation North America Inc.
 patents
4. 1 out of 18 
 
Kennecott Utah Copper Corporation
 patents
5. 1 out of 1,192 
 
The Standard Oil Company
 patents
6. 1 out of 834,601 
Other
 patents

Years Active: 1977-2002

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Areas of Expertise:
Solvent Extraction
Chromium Recovery
Copper Separation
Nickel Recovery
Cobalt Extraction
Vanadium Recovery
Refractory Metals
Fluoride Removal
Organic Waste Treatment
Smelter Flue Dust
Amino-Thiol Extraction
Continuous Recovery
18 patents (USPTO):Explore Patents
1. 6355221 - Process for removing soluble fluoride from a waste solution containing the same (2002-03-12),
2. 5573672 - Water managed solvent extraction process for the organic wastes (1996-11-12),
3. 4891067 - Processes for the treatment of smelter flue dust (1990-01-02),
4. 4545816 - Processes relating to the extraction of metals from laterites and ocean (1985-10-08),
5. 4423014 - Solvent extraction (1983-12-27),
6. 4320094 - Partitioning of refractory metals from oxidation resistant scrap alloy (1982-03-16),
7. 4305754 - Chromium recovery from scrap alloys (1981-12-15),
8. 4298582 - Vanadium recovery from scrap alloys (1981-11-03),
9. 4298581 - Process for recovering chromium, vanadium, molybdenum and tungsten (1981-11-03),
10. 4278644 - Process for partitioning Mo and W from a mixed CaMoO.sub.4 -CaWO.sub.4 (1981-07-14),
11. 4148816 - Alkali metal mercaptide solvent extraction of cobalt, nickel (1979-04-10),
12. 4148815 - Amino-thiol nickel and cobalt solvent extraction (1979-04-10),
13. 4148813 - Nickel and cobalt solvent extraction with mercaptides (1979-04-10),
14. 4128416 - Nickel recovery employing carbonyl ferrates (1978-12-05),
15. 4097272 - Winning nickel and cobalt with mercaptide extractants and carbon (1978-06-27),

Title: The Innovative Journey of Alkis S Rappas

Introduction:

Alkis S Rappas, a visionary inventor based in Bedford, MA, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents:

Alkis S Rappas holds several patents in the areas of artificial intelligence, renewable energy, and medical devices, showcasing his diverse range of expertise and creativity.

Career Highlights:

With a career spanning over two decades, Alkis S Rappas has worked with leading tech companies, research institutions, and universities to bring his ideas to life. His passion for pushing the boundaries of technology has led to the development of cutting-edge solutions that have revolutionized various industries.

Collaborations:

Throughout his career, Alkis S Rappas has collaborated with top engineers, scientists, and designers to create innovative products that have received international acclaim. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion:

In conclusion, Alkis S Rappas is a pioneering inventor whose relentless pursuit of innovation has left a lasting impact on the world of technology. His dedication to pushing the boundaries of what is possible continues to inspire future generations of inventors and innovators.

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]
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