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For the Inventor, By the Inventor

Cincinnati, OH, United States of America

Rollin G Giffin, Iii

This inventor holds 15 USPTO granted patents. Top assignee: General Electric Company. Active years: 1981-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Rollin G Giffin, Iii. Retrieved from https://idiyas.com/inventor/rollin-g-giffin-iii

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

Calculating rank
USPTO Granted Patents = 15

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 13

Forward Citations = 733(Granted Patents)


Location History:

  • Montgomery, OH (US) (1981)
  • Cincinnati, OH (US) (1989 - 2004)

Company Filing History:

goldMedal15 out of 52,395 
 
General Electric Company
 patents

Years Active: 1981-2004

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15 patents (USPTO):Explore Patents
1. 6672072 - Pressure boosted compressor cooling system (2004-01-06),
2. 6041589 - Asymmetric turboprop booster (2000-03-28),
3. 5820345 - Split rotor shaft driven lift fan (1998-10-13),
4. 5809772 - Turbofan engine with a core driven supercharged bypass duct (1998-09-22),
5. 5345760 - Turboprop booster (1994-09-13),
6. 5327716 - System and method for tailoring rotor tip bleed air (1994-07-12),
7. 5261227 - Variable specific thrust turbofan engine (1993-11-16),
8. 5231825 - Method for compressor air extraction (1993-08-03),
9. 5155993 - Apparatus for compressor air extraction (1992-10-20),
10. 5154052 - Exhaust assembly for a high speed civil transport aircraft engine (1992-10-13),
11. 5056335 - Auxiliary refrigerated air system employing input air from turbine (1991-10-15),
12. 5036678 - Auxiliary refrigerated air system employing mixture of air bled from (1991-08-06),
13. 4817378 - Gas turbine engine with augmentor and variable area bypass injector (1989-04-04),
14. 4809498 - Gas turbine engine (1989-03-07),
15. 4254619 - Partial span inlet guide vane for cross-connected engines (1981-03-10),

Title: Rollin G Giffin, III: Innovator in Gas Turbine Engine Technology

Introduction

Rollin G Giffin, III is a notable inventor based in Cincinnati, OH (US). He has made significant contributions to the field of gas turbine engine technology, holding a total of 15 patents. His innovative designs focus on enhancing the efficiency and performance of cooling systems in gas turbine engines.

Latest Patents

Among his latest patents is the "Pressure Boosted Compressor Cooling System." This invention provides a cooling air system for gas turbine engines, which includes a core engine, high-pressure compressor, combustor, and high-pressure turbine. The system utilizes a heat exchanger to cool pressurized air, which is then directed to both the compressor impeller and turbine cooling. Another significant patent is the "Asymmetric Turboprop Booster," which features a booster-compressor assembly designed to supercharge air into a core engine for turboprop aircraft. This design includes an asymmetric annular booster duct and a unique airflow management system that optimizes performance.

Career Highlights

Rollin G Giffin, III is currently employed at General Electric Company, where he continues to innovate and develop advanced technologies in the aerospace sector. His work has been instrumental in improving the efficiency of gas turbine engines, making them more reliable and effective.

Collaborations

Throughout his career, Giffin has collaborated with esteemed colleagues such as Stanton W Renninger and John Lewis Baughman. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Rollin G Giffin, III is a prominent figure in the field of gas turbine engine technology, with a strong portfolio of patents that reflect his innovative spirit. His contributions continue to shape the future of aerospace engineering.

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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