Trademarks = 4

Forward Citations = 11

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8 inventors (with patents filed for the assignee):

Wenhua Zhou (5 out of 5 patents)

Xuebiao Tong (3 out of 3 patents)

Yanxing Xu (2 out of 2 patents)

4. Xiangyu Li (1 out of 6 patents)

5. Qirong Lu (1 out of 1 patent)

6. Zhou Wenhua (1 out of 1 patent)

7. Yungui Wu (1 out of 1 patent)

8. Wende Zhou (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 11786979 - Strength-boosting drill chuck (2023-10-17),

2. 11458547 - Self-locking drill chuck (2022-10-04),

3. 11084104 - Hand-tight drill chuck with lock (2021-08-10),

4. 10272499 - Self-locking drill chuck (2019-04-30),

5. 10252347 - Self-locking drill chuck (2019-04-09),

6. 10166609 - Self-locking drill chuck (2019-01-01),

7. D567617 - Drill chuck (2008-04-29),

8. 7000926 - Manually tightened drill chuck (2006-02-21),

Zhejiang Sanou Machinery Co. Ltd. is a leading manufacturer of CNC machining centers, CNC lathes, and CNC machines. With over 20 years of experience, we are committed to providing high-quality, reliable machines to meet the needs of various industries. Our products are known for their precision, efficiency, and durability, making us a trusted partner for businesses around the world.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

8 Patents

#86 in Zhejiang

#3,017 in China

Zhejiang, China

Zhejiang Sanou Machinery Co. Ltd.