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For the Inventor, By the Inventor

Houston, TX, United States of America

Jiaqing Yu

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This inventor holds 23 USPTO granted patents and 5 published patent applications, primarily in Drill Bit Technology. Top assignees: Smith International, Inc., Cnpc USA Corporation, Beijing Huamei Inc.. Active years: 2006-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jiaqing Yu. Retrieved from https://idiyas.com/inventor/jiaqing-yu

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 78.3

Average Co-Inventor Count = 4.2

ph-index = 10

Forward Citations = 309(Granted Patents)


Location History:

  • Conroe, TX (US) (2015 - 2021)
  • Houston, TX (US) (2006 - 2024)

Company Filing History:

goldMedal14 out of 1,426 
 
Smith International, Inc.
 patents
silverMedal9 out of 102 
 
Cnpc USA Corporation
 patents
bronzeMedal5 out of 55 
 
Beijing Huamei Inc.
 patents
4. 3 out of 5 
 
Beijing Huamei Inc Cnpc
 patents
5. 3 out of 95 
 
China National Petroleum Corporation
 patents
6. 1 out of 1 
 
Belling Huamel Inc Cnpc
 patent
where one patent can have more than one assignee

Years Active: 2006-2025

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Areas of Expertise:
Hydraulic Control
Drill Bit
Cutting Elements
Force Modulation
Rolling Cutter
Multi-Part Energizer
Wear Resistant Surface
Impact Absorbing Ring
Fixed Cutter Bits
Non-Planar Cutting Edges
Curvature Cutting Edges
23 patents (USPTO):Explore Patents
1. 12435585 - Hydraulic control apparatus and method for a downhole tool (2025-10-07),
2. 12011773 - Cutting elements with reduced variable back rake angle (2024-06-18),
3. 11879296 - Blade cap force modulation system for a drill bit (2024-01-23),
4. 11808090 - Force modulation system for a drill bit (2023-11-07),
5. 11591858 - Cutting elements with increased curvature cutting edges (2023-02-28),
6. 11499378 - Blade cap force modulation system for a drill bit (2022-11-15),
7. 11499377 - Force modulation system for a drill bit (2022-11-15),
8. 11401749 - Cutting element with reduced friction (2022-08-02),
9. 11365589 - Cutting element with non-planar cutting edges (2022-06-21),
10. RE48455 - Rolling cutter (2021-03-01),
11. RE47369 - Rolling cutter (2019-04-29),
12. 9850717 - Methods for designing fixed cutter bits and bits made using such methods (2017-12-26),
13. 9187962 - Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s) (2015-11-17),
14. 9033070 - Rolling cutter (2015-05-19),
15. 8800691 - Rolling cutter (2014-08-12),

Title: Jiaqing Yu - A Pioneer in Drill Bit Innovations

Introduction

Jiaqing Yu, based in Houston, Texas, is an accomplished inventor known for his significant contributions to the field of drilling technology. With an impressive portfolio that showcases 22 patents, Yu has focused his efforts on improving drill bit design and functionality, making a notable impact in the oil and gas industry.

Latest Patents

Among his latest inventions, Yu has developed two remarkable patents. The first is titled "Cutting elements with reduced variable back rake angle." This innovative drill bit consists of a bit body, multiple cutters, and blades with pockets designed to accommodate the cutters. The unique feature of this design includes a substrate with an ultra-hard layer and a concave surface that combines both planar and curved facets, enhancing cutting efficiency.

The second patent is known as the "Blade cap force modulation system for a drill bit." This sophisticated system entails a cutter, a blade cap, a cap retention device, and a force member that modulates cutting forces. The system allows for variable cutting profiles in multiple directions, thereby mitigating excessive stress on the cutter and improving the overall performance of the drill bit.

Career Highlights

Jiaqing Yu has had a distinguished career in the drilling industry. He has been associated with notable companies such as Smith International, Inc. and CNPC USA Corporation. His work at these organizations has allowed him to refine his inventions and bring innovative solutions to market.

Collaborations

Throughout his career, Yu has collaborated with esteemed colleagues, including Zhou Yong and Youhe Zhang. These partnerships have facilitated the exchange of ideas and fostered an environment conducive to innovation, leading to the development of groundbreaking technologies in drilling.

Conclusion

Jiaqing Yu's dedication to innovation in drill bit technology has led to numerous patents that bolster efficiency and effectiveness in drilling operations. His work continues to influence the industry, making him a prominent figure among inventors in the engineering landscape.

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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