logo

For the Inventor, By the Inventor

Toledo, OH, United States of America

John C Scarlett

This inventor holds 17 USPTO granted patents, primarily in Iron Reduction Technology. Top assignees: Midrex Corporation, Midrex International B.v. Rotterdam, Midrex International, B.v., Rotterdam, Zurich Branch. Active years: 1980-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John C Scarlett. Retrieved from https://idiyas.com/inventor/john-c-scarlett

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 217(Granted Patents)


Company Filing History:

goldMedal15 out of 50 
 
Midrex Corporation
 patents
silverMedal1 out of 3 
 
Midrex International B.v. Rotterdam
 patents
bronzeMedal1 out of 26 
 
Midrex International, B.v., Rotterdam, Zurich Branch
 patents

Years Active: 1980-1991

Loading Chart...
Areas of Expertise:
Iron Oxide
Molten Iron
Selective Reduction
Shaft Furnace
Submerged Combustion
Fuel Gas
Fluid Bed Gasification
Coal Gasification
Impact Bed Gasifier
Direct Reduction
Gas from Coal
Production Apparatus
17 patents (USPTO):Explore Patents
1. 4985068 - Method and apparatus for smelting iron oxide (1991-01-15),
2. 4685964 - Method and apparatus for producing molten iron using coal (1987-08-11),
3. 4470581 - Apparatus for selective reduction of metallic oxides (1984-09-11),
4. 4381939 - Method for selective reduction of metallic oxides (1983-05-03),
5. 4365789 - Apparatus for the direct reduction of iron in a shaft furnace using gas (1982-12-28),
6. 4331470 - Method for the direct reduction of iron in a shaft furnace using gas (1982-05-25),
7. 4316739 - Method for producing molten iron (1982-02-23),
8. 4286775 - Apparatus for producing molten iron from iron oxide with coal and oxygen (1981-09-01),
9. 4270740 - Apparatus for producing molten iron by submerged combustion (1981-06-02),
10. 4260412 - Method of producing direct reduced iron with fluid bed coal gasification (1981-04-07),
11. 4248626 - Method for producing molten iron from iron oxide with coal and oxygen (1981-02-03),
12. 4238226 - Method for producing molten iron by submerged combustion (1980-12-09),
13. 4235425 - Impact bed gasifier-melter (1980-11-25),
14. 4234169 - Apparatus for the direct reduction of iron and production of fuel gas (1980-11-18),
15. 4225340 - Method for the direct reduction of iron using gas from coal (1980-09-30),

Title: The Innovative Contributions of John C. Scarlett

Introduction

John C. Scarlett is a notable inventor based in Toledo, Ohio, recognized for his significant contributions to the field of metallurgy. With a total of 17 patents to his name, Scarlett has developed innovative methods and apparatuses that enhance the efficiency of iron production.

Latest Patents

Among his latest patents is a method and apparatus for smelting iron oxide. This innovative process utilizes pre-heated natural gas combusted with oxygen, which generates carbon monoxide and hydrogen gas. The combustion products effectively carbonize the molten iron, while the heat produced is sufficient to meet all chemical reaction requirements and melt the iron oxide charge. Another significant patent involves a method and apparatus for producing molten iron using coal. This highly efficient process employs coal gasification in a molten iron gasifier-melter, coupled with a direct reduction shaft furnace, making it particularly effective when utilizing non-metallurgical coals.

Career Highlights

Throughout his career, John C. Scarlett has worked with prominent companies such as Midrex Corporation and Midrex International B.V. in Rotterdam. His work has focused on advancing technologies that improve the production of molten iron, showcasing his expertise in the field.

Collaborations

Scarlett has collaborated with notable colleagues, including Charles W. Sanzenbacher and Donald Beggs, contributing to various projects that have furthered advancements in metallurgy.

Conclusion

John C. Scarlett's innovative patents and career achievements have made a lasting impact on the metallurgy industry. His work continues to influence the methods used in iron production today.

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…