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For the Inventor, By the Inventor

West Chester, OH, United States of America

William F McGreehan

This inventor holds 7 USPTO granted patents. Top assignee: General Electric Company. Active years: 1987-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William F McGreehan. Retrieved from https://idiyas.com/inventor/william-f-mcgreehan

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 151(Granted Patents)


Location History:

  • Fairfield, OH (US) (1987)
  • Westchester, OH (US) (1990 - 1993)

Company Filing History:

goldMedal7 out of 52,387 
 
General Electric Company
 patents

Years Active: 1987-1993

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7 patents (USPTO):Explore Patents
1. 5271711 - Compressor bore cooling manifold (1993-12-21),
2. 5209633 - High pressure compressor flowpath bleed valve extraction slot (1993-05-11),
3. 5167484 - Method for thrust balancing and frame heating (1992-12-01),
4. 5154048 - Apparatus for thrust balancing and frame heating (1992-10-13),
5. 4893984 - Clearance control system (1990-01-16),
6. 4893983 - Clearance control system (1990-01-16),
7. 4715213 - Flow measurement system (1987-12-29),

Title: The Innovative Contributions of William F. McGreehan

Introduction

William F. McGreehan is a notable inventor based in West Chester, OH (US), recognized for his significant contributions to the field of gas turbine engine technology. With a total of 7 patents to his name, McGreehan has made advancements that enhance the efficiency and performance of high-pressure compressors.

Latest Patents

Among his latest patents is the "Compressor Bore Cooling Manifold." This invention is designed to control disc temperature, provide blade tip clearance control, and purge the rotor bore of a high-pressure compressor in a gas turbine engine. The axially elongated manifold is disposed coaxially in the rotor bore to distribute cooling air bleed from the compressor inlet airstream to selected cavities between successive rotor discs, tailored to meet the specific cooling needs of neighboring discs. Another significant patent is the "High Pressure Compressor Flowpath Bleed Valve Extraction Slot." This innovation features an articulated portion of the outer band of the compressor that forms a slot, allowing for efficient conversion of core air to diffuser air while retaining substantial pressure and velocity energies. The diffuser slot can be applied to an earlier compressor stage, resulting in improved performance.

Career Highlights

William F. McGreehan has had a distinguished career at General Electric Company, where he has been instrumental in developing technologies that push the boundaries of gas turbine efficiency. His work has not only contributed to the advancement of engineering practices but has also set new standards in the industry.

Collaborations

Throughout his career, McGreehan has collaborated with esteemed colleagues, including Robert Louis Ponziani and Neil Howes. These partnerships have fostered an environment of innovation and creativity, leading to groundbreaking advancements in their field.

Conclusion

William F. McGreehan's contributions to gas turbine technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence the development of more efficient and effective gas turbine engines.

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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