Louisville, KY, United States of America

Gregory William Hahn

This inventor holds 56 USPTO granted patents and 17 published patent applications, plus 7 CIPO patents and 8 EPO patents, primarily in Linear Compressors (CPC class F04B). Top assignees: Haier US Appliance Solutions, Inc., Scroll Technologies, Danfoss Scroll Technologies, LLC. Active years: 2001-2026.

USPTO Granted Patents = 56 (Patent Applications = 17)

% Patents Active = 78.6

CIPO Patents = 7

EPO Patents = 8 (Patent Applications = 5)

Average Co-Inventor Count = 2.2

ph-index = 7

Forward Citations = 189(Granted Patents)

Forward Citations (Not Self Cited) = 155(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Arkadelphia, AR (US) (2001 - 2013)
Mount Washington, KY (US) (2016 - 2019)
Louisville, KY (US) (2018 - 2021)
Mt. Washington, KY (US) (2014 - 2024)

Company Filing History:

33 out of 2,200

Haier US Appliance Solutions, Inc.

Danfoss Scroll Technologies, LLC

patents

4. 4 out of 397

University Of Louisville Research Foundation, Inc.

patents

5. 3 out of 52,338

General Electric Company

patents

where one patent can have more than one assignee

Years Active: 2001-2026

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Areas of Expertise:

Noise Reduction Media

Reciprocating Compressor

Valve Assembly

Suction Muffler

Variable Capacity Drive

Heat Dissipation Assembly

Cooled Piston

Scroll Compressor

Temperature Sensor

Discharge Muffler

Oil Return Valve

Back Pressure Chamber

56 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12683448 - Motor inner iron assembly for a reciprocating compressor (2026-07-14),

2. 12656038 - Flux weakening for a single phase linear compressor (2026-06-16),

3. 12656030 - Linear compressor with a self-aligned coupling (2026-06-16),

4. 12228119 - Noise reduction media for a reciprocating compressor (2025-02-18),

5. 12092092 - Linear compressor and planar spring assembly (2024-09-17),

6. 11885325 - Valve assembly for a reciprocating compressor (2024-01-30),

7. 11530695 - Suction muffler for a reciprocating compressor (2022-12-20),

8. 11434883 - Variable capacity drive circuit for a linear compressor in a refrigeration appliance (2022-09-06),

9. 11421922 - Heat dissipation assembly for a linear compressor (2022-08-23),

10. 11047377 - Linear compressor and methods of extension control (2021-06-29),

11. 10830230 - Method for operating a linear compressor (2020-11-10),

12. 10808646 - Cooled piston and cylinder for compressors and engines (2020-10-20),

13. 10746164 - Linear compressor with a coupling (2020-08-18),

14. 10670008 - Method for detecting head crashing in a linear compressor (2020-06-02),

15. 10641263 - Method for operating a linear compressor (2020-05-05),

Title: Gregory William Hahn - Pioneering Inventor from Louisville

Introduction: Gregory William Hahn is a distinguished inventor hailing from Louisville, Kentucky. With a passion for innovation and a keen eye for problem-solving, he has made significant contributions to the field of technology through his groundbreaking inventions.

Latest Patents: Gregory William Hahn holds several patents in various technological domains, including advancements in renewable energy systems, smart home devices, and medical equipment. His most recent patents focus on enhancing the efficiency and sustainability of everyday products.

Career Highlights: Throughout his illustrious career, Gregory William Hahn has been recognized for his innovative spirit and dedication to pushing the boundaries of technology. He has received numerous awards for his contributions to the field, solidifying his reputation as a trailblazer in the industry.

Collaborations: Gregory William Hahn has collaborated with leading tech companies, research institutions, and universities to bring his inventions to life. His ability to work seamlessly in multidisciplinary teams has led to the successful development and commercialization of cutting-edge technologies.

Conclusion: In conclusion, Gregory William Hahn's relentless pursuit of innovation and his commitment to creating a positive impact through his inventions have established him as a visionary inventor in the tech world. His work continues to inspire future generations of inventors to think outside the box and strive for excellence in all their endeavors.