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Petrochina Company Limited

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USPTO Granted Patents = 172

CIPO Patents = 1

EPO Patents = 39

Trademarks = 7

Forward Citations = 159

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937 inventors (with patents filed for the assignee):

Jianjun Yi (12 out of 12 patents)

Haitao Zhang (12 out of 60 patents)

Pingmei Wang (11 out of 11 patents)

4. Xionghou Gao (11 out of 11 patents)

5. Ning Li (10 out of 54 patents)

6. Hongliang Wu (10 out of 11 patents)

7. Kewen Wang (10 out of 12 patents)

8. Bin Ding (10 out of 10 patents)

9. Jianhui Luo (10 out of 10 patents)

10. Zhou Feng (9 out of 10 patents)

11. Xiangfei Geng (9 out of 9 patents)

12. Hongchang Duan (9 out of 9 patents)

13. Qingfu Feng (8 out of 8 patents)

14. Di Li (8 out of 21 patents)

15. Lianhua Hou (8 out of 8 patents)

Core Competencies:

Shale Oil Extraction

Polymerization Catalyst

Gas Flow Control

Oil Well Testing

Heavy Oil Separation

Reservoir Management

Fluid Experiment Systems

Microemulsion Systems

Cementing Quality

Dynamic Property Measurement

Gas Saturation Determination

Water Injection Systems

172 patents: Sort by Forward Citations

1. 12754171 - Analysis device and analysis method for quality index of natural gas product and application (2026-10-06),

2. 12742119 - Aqueous formulation of oil-soluble corrosion inhibitor, and preparation method and regeneration method thereof (2026-09-22),

3. 12709713 - TREATMENT METHOD AND DEVICE FOR WASTE PLASTIC (2026-08-18),

4. 12693146 - Multiphase flow metering system and method (2026-07-28),

5. 12692452 - Integrated process and system for measurement and treatment of toxic gases in deep natural gas (2026-07-28),

6. 12656253 - Method for predicting amount of recoverable oil and gas resources from in-situ conversion of shale (2026-06-16),

7. 12649800 - Catalyst for propylene polymerization, catalyst system for propylene polymerization, and preparation and use thereof (2026-06-09),

8. 12617689 - Separation and recovery method for boron trifluoride and complex thereof in olefin polymerization reaction (2026-05-05),

9. 12612856 - Lost circulation detection device (2026-04-28),

10. 12553813 - Rock dynamic physical property measurement system (2026-02-17),

11. 12544690 - Automatic separation apparatus for four fractions of heavy oil and separation method thereof (2026-02-10),

12. 12509985 - Oil well optical fiber multi-parameter testing method and apparatus (2025-12-30),

13. 12503523 - Catalyst composition for polymerization of α-olefin and preparation and use thereof (2025-12-23),

14. 12331601 - Device and method for continuous mixing of solid drag reducer (2025-06-17),

15. 12163410 - Method and apparatus for predicting optimal exploitation in shale oil in-situ conversion (2024-12-10),

Company Overview

PetroChina Company Limited, headquartered in Beijing, is a leading player in the oil and gas sector, specializing in various advanced technologies related to energy extraction and management. The company focuses on innovative methods such as shale oil extraction and heavy oil separation, alongside developing polymerization catalysts and gas flow control systems. Its expertise extends to oil well testing and reservoir management, contributing to efficient resource utilization and environmental sustainability in the energy industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

172 Patents

#39 in Beijing

#192 in China

#4,830 in the World

Petrochina Company Limited

Forward Citations = 159

937 inventors:

Jianjun Yi (12 out of 12 patents)

Haitao Zhang (12 out of 60 patents)

Pingmei Wang (11 out of 11 patents)

4. Xionghou Gao (11 out of 11 patents)

5. Ning Li (10 out of 54 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Petrochina Company Limited. Retrieved from https://idiyas.com/company/petrochina-company

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

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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