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Danfoss (tianjin) Ltd.

USPTO Granted Patents = 42

Forward Citations = 29

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92 inventors (with patents filed for the assignee):

Li Yao (11 out of 11 patents)

Wenhu Yao (6 out of 6 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 18 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. Lin Ma (3 out of 4 patents)

12. Kun Qian (3 out of 3 patents)

13. Bin Wang (3 out of 20 patents)

14. Xueyou Zhou (3 out of 3 patents)

15. He Ma (3 out of 13 patents)

Core Competencies:

Compressor

Scroll Compressor

Variable-Frequency Compressor

Parameter Control System

Oil Pump Assembly

Fluid Injection Control System

Electric Motor

Crankshaft Simulation Device

Phase Loss Detection Device

Lubricant Quality Monitoring

Sand Casting Mold

Refrigeration System

42 patents: Sort by Forward Citations

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

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

3. 12368333 - Rotor, interior permanent magnet motor, and compressor (2025-07-22),

4. 12184216 - Parameter control system and motor including the parameter control system (2024-12-31),

5. 12173713 - Compressor and method of controlling the compressor (2024-12-24),

6. 12155382 - Phase loss detection device, compressor including the same, and phase loss detection method (2024-11-26),

7. 12152959 - Crankshaft simulation device, detection equipment and method (2024-11-26),

8. 12025134 - Muffler device and compressor having the same (2024-07-02),

9. 11955915 - Variable-frequency compressor with adaptive heating power control and method for operating the same (2024-04-09),

10. 11885327 - Flow control valve, oil pump assembly having the flow control valve, and scroll compressor (2024-01-30),

11. 11852144 - Scroll compressor (2023-12-26),

12. 11767844 - Fixed scroll disk and scroll compressor having the same (2023-09-26),

13. 11746779 - Scroll assembly and scroll compressor (2023-09-05),

14. 11699969 - Compressor and method for controlling the compressor (2023-07-11),

15. 11668307 - Oil tubing installation assembly and scroll compressor (2023-06-06),

Danfoss (Tianjin) Ltd. is a subsidiary of Danfoss, a global leader in engineering solutions. Based in Tianjin, China, the company specializes in the development, manufacturing, and sales of energy-efficient cooling, heating, and refrigeration solutions. With a strong focus on sustainability and innovation, Danfoss (Tianjin) Ltd. provides reliable and environmentally-friendly solutions for various industries including HVAC, food, and beverage, industrial automation, and more.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

42 Patents

#6 in Tianjin

#684 in China

#15,864 in the World

Danfoss (tianjin) Ltd.

Forward Citations = 29

92 inventors:

Li Yao (11 out of 11 patents)

Wenhu Yao (6 out of 6 patents)

Wanzhen Liu (6 out of 6 patents)

4. Shizhong Ji (5 out of 5 patents)

5. Yingke Sun (4 out of 4 patents)

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