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For the Inventor, By the Inventor

Tallahassee, FL, United States of America

Jin Yan

This inventor holds 16 USPTO granted patents and 9 published patent applications and 2 EPO patents, primarily in Refrigerant Compressors. Top assignees: Danfoss A/s, Spel Technologies Private Limited, The Florida State University Research Foundation, Inc.. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jin Yan. Retrieved from https://idiyas.com/inventor/jin-yan

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

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 81.3

 

Average Co-Inventor Count = 3.3

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:

goldMedal12 out of 1,019 
 
Danfoss A/s
 patents
silverMedal3 out of 3 
 
Spel Technologies Private Limited
 patents
bronzeMedal2 out of 853 
 
The Florida State University Research Foundation, Inc.
 patents
where one patent can have more than one assignee

Years Active: 2018-2026

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Areas of Expertise:
Refrigerant Compressors
Impingement Jets
Auxiliary Bearing
Impeller Design
Step Seal
Hybrid Energy Storage
Lithium-Ion Capacitor
Abradable Labyrinth Seal
Cooling Technologies
Solar Cells
HVAC Systems
16 patents (USPTO):Explore Patents
1. 12760944 - Motor cooling using impingement jets created by perforated cooling jacket (2026-10-13),
2. 12601373 - Refrigerant compressor including grooved auxiliary bearing interface (2026-04-14),
3. 12276286 - Refrigerant compressor with impeller having slotted shroud (2025-04-14),
4. 12146501 - Step seal for refrigerant compressors (2024-11-19),
5. 12025154 - Refrigerant compressor including diffuser with grooves (2024-07-02),
6. 11988420 - Refrigerant compressor having dedicated inlets for stator and rotor cooling lines (2024-05-21),
7. 11988221 - Refrigerant compressor with impeller having blades with wavy contour (2024-05-21),
8. 11901122 - Hybrid lithium-ion battery-capacitor (H-LIBC) energy storage devices (2024-02-13),
9. 11739654 - Abradable labyrinth seal for refrigerant compressors (2023-08-29),
10. 11692557 - Step seal for refrigerant compressors (2023-07-04),
11. 11560901 - Active unloading device for mixed flow compressors (2023-01-24),
12. 11521804 - Ultra-thin lithium-ion capacitor with ultra-high power performance (2022-12-06),
13. 11486618 - Integrated connector for multi-stage compressor (2022-11-01),
14. 11302487 - Lithium-ion capacitor (2022-04-12),
15. 11143193 - Unloading device for HVAC compressor with mixed and radial compression stages (2021-10-12),

Title: The Innovative Contributions of Jin Yan

Introduction

Jin Yan is a prominent inventor based in Tallahassee, Florida, known for his significant contributions to the field of refrigerant compressors. With a total of 14 patents to his name, he has made remarkable advancements in compressor technology that enhance efficiency and performance.

Latest Patents

Among his latest patents is the "Refrigerant compressor with impeller having slotted shroud." This invention features a shrouded impeller that includes a passageway allowing refrigerant to flow from a location radially outside the shroud to a location radially inside the shroud. Another notable patent is the "Step seal for refrigerant compressors," which involves a stator and a rotor configured to rotate with respect to each other. This design includes a step seal with a first tooth and a second tooth extending from the rotor toward the stator, arranged at an angle of less than 90 degrees.

Career Highlights

Jin Yan has worked with several reputable companies, including Danfoss A/S and Spel Technologies Private Limited. His experience in these organizations has contributed to his expertise in developing innovative solutions for refrigerant compressors.

Collaborations

Throughout his career, Jin has collaborated with notable colleagues such as Lin Xiang Sun and Wanjun Ben Cao, further enhancing his contributions to the field.

Conclusion

Jin Yan's work in the realm of refrigerant compressors showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving efficiency and performance in the industry.

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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