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Danfoss (Tianjin) Ltd.

USPTO Granted Patents = 44

Forward Citations = 34

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97 inventors (with patents filed for the assignee):

Li Yao (11 out of 11 patents)

Wenhu Yao (7 out of 7 patents)

Wanzhen Liu (6 out of 6 patents)

4. Shizhong Ji (5 out of 5 patents)

5. Yingke Sun (4 out of 4 patents)

6. Meng Wang (4 out of 19 patents)

7. Leping Zhang (4 out of 4 patents)

8. Liang Fan (4 out of 4 patents)

9. Zhenyu Wang (4 out of 5 patents)

10. Yan Lin (4 out of 4 patents)

11. Jian Jin (4 out of 4 patents)

12. Yanbo Zhao (4 out of 4 patents)

13. Lin Ma (3 out of 4 patents)

14. Kun Qian (3 out of 3 patents)

15. Bin Wang (3 out of 20 patents)

Core Competencies:

Compressor

Variable-Frequency Compressor

Oil Pump Assembly

Phase Loss Detection

Scroll Compressor

Fluid Injection Control

Electric Motor

Lubricant Quality Monitoring

Crankshaft Simulation

Motor Spacer

Refrigeration System

3D Printing

44 patents: Sort by Forward Citations

1. 12624694 - Control method for compressor and compressor system (2026-05-12),

2. D1124037 - Base for compressor housing (2026-04-28),

3. D1101825 - Compressor (2025-11-11),

4. D1085346 - Base for compressor housing (2025-07-22),

5. 12368333 - Rotor, interior permanent magnet motor, and compressor (2025-07-22),

6. 12184216 - Parameter control system and motor including the parameter control system (2024-12-31),

7. 12173713 - Compressor and method of controlling the compressor (2024-12-24),

8. 12155382 - Phase loss detection device, compressor including the same, and phase loss detection method (2024-11-26),

9. 12152959 - Crankshaft simulation device, detection equipment and method (2024-11-26),

10. 12025134 - Muffler device and compressor having the same (2024-07-02),

11. 11955915 - Variable-frequency compressor with adaptive heating power control and method for operating the same (2024-04-09),

12. 11885327 - Flow control valve, oil pump assembly having the flow control valve, and scroll compressor (2024-01-30),

13. 11852144 - Scroll compressor (2023-12-26),

14. 11767844 - Fixed scroll disk and scroll compressor having the same (2023-09-26),

15. 11746779 - Scroll assembly and scroll compressor (2023-09-05),

Danfoss (Tianjin) Ltd. specializes in the development and manufacturing of advanced compressor technologies, including scroll and variable-frequency compressors. The company focuses on innovative solutions for parameter control systems, oil pump assemblies, and fluid injection control systems, enhancing efficiency and performance in various applications. Located in Tianjin, China, Danfoss (Tianjin) plays a crucial role in the global market for electric motor and crankshaft simulation technologies, contributing to energy-efficient systems across industries.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Danfoss (Tianjin) Ltd.

44 Patents

#6 in Tianjin

#725 in China

#15,738 in the World

Danfoss (Tianjin) Ltd.

Forward Citations = 34

97 inventors:

Li Yao (11 out of 11 patents)

Wenhu Yao (7 out of 7 patents)

Wanzhen Liu (6 out of 6 patents)

4. Shizhong Ji (5 out of 5 patents)

5. Yingke Sun (4 out of 4 patents)

Please report any incorrect information to [email protected]

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