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Zhejiang Dunan Hetian Metal Co., Ltd.

USPTO Granted Patents = 10

Forward Citations = 58

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13 inventors (with patents filed for the assignee):

Parthiban Arunasalam (8 out of 33 patents)

Edward Nelson Fuller (4 out of 28 patents)

Wayne Curtis Long (3 out of 14 patents)

4. Xuguang Huang (2 out of 2 patents)

5. Chen Yang (1 out of 14 patents)

6. Arvind Rao (1 out of 8 patents)

7. Mark Luckevich (1 out of 2 patents)

8. Joe Albert Ojeda, Sr (1 out of 25 patents)

9. Gengxun Kara Gurley (1 out of 14 patents)

10. Zhongbo Feng (1 out of 1 patent)

11. Peiyu Cai (1 out of 1 patent)

12. Guanjun Wang (1 out of 1 patent)

13. Zichun Ye (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 9772235 - Method of sensing superheat (2017-09-26),

2. 9714780 - On-demand micro expansion valve for a refrigeration system (2017-07-25),

3. 9404815 - Superheat sensor having external temperature sensor (2016-08-02),

4. 9328850 - Microvalve having improved air purging capability (2016-05-03),

5. 9328832 - Wheatstone bridge check valve arrangement (2016-05-03),

6. 9235219 - Microvalve with integrated flow sensing capability (2016-01-12),

7. 9188375 - Control element and check valve assembly (2015-11-17),

8. 9140613 - Superheat sensor (2015-09-22),

9. D548818 - Cut-off valve (2007-08-14),

10. D542888 - Cut-off valve (2007-05-15),

Zhejiang Dunan Hetian Metal Co., Ltd. is a leading manufacturer and supplier of high-quality metal products in China. With a strong focus on innovation and quality, the company has established itself as a trusted partner in the industry. Their product range includes stainless steel pipes, tubes, fittings, and other metal components. Dunan Hetian Metal is committed to providing excellent customer service and competitive pricing to meet the diverse needs of its clients.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

10 Patents

#2 in Zhuji

#2,479 in China

#54,303 in the World

Zhejiang Dunan Hetian Metal Co., Ltd.

Forward Citations = 58

13 inventors:

Parthiban Arunasalam (8 out of 33 patents)

Edward Nelson Fuller (4 out of 28 patents)

Wayne Curtis Long (3 out of 14 patents)

4. Xuguang Huang (2 out of 2 patents)

5. Chen Yang (1 out of 14 patents)

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