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Tianjin Polytechnic University

USPTO Granted Patents = 20

% Expired Patents = 20.0

EPO Patents = 2

Forward Citations = 17

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56 inventors (with patents filed for the assignee):

Changfa Xiao (10 out of 11 patents)

Zhiwei Wang (5 out of 19 patents)

Shulin An (5 out of 5 patents)

4. Qinglin Huang (5 out of 5 patents)

5. Hongwei Zhang (5 out of 6 patents)

6. Liang Wang (3 out of 9 patents)

7. Chun Wang (3 out of 3 patents)

8. Mingxing Chen (3 out of 3 patents)

9. Hailiang Liu (3 out of 3 patents)

10. Jian Zhao (3 out of 14 patents)

11. Ruobin Dai (3 out of 6 patents)

12. Zhichao Wu (2 out of 5 patents)

13. Jie Wang (2 out of 16 patents)

14. Xiaoyu Hu (2 out of 3 patents)

15. Junqiang Hao (2 out of 2 patents)

20 patents: Sort by Forward Citations

1. 11739009 - Device for decomplexation and enhanced removal of copper based on self-induced fenton-like reaction constructed by electrochemistry coupled with membrane separation, and use thereof (2023-08-29),

2. 11623182 - Nanofiltration membrane with high flux for selectively removing hydrophobic endocrine disrupting chemicals and preparation method thereof (2023-04-11),

3. 11590455 - High-performance thin-film composite polyamide membrane upcylcled from biopolymer-fouled substrates and preparation method thereof (2023-02-28),

4. 11565953 - Flexible electrocatalytic membrane for removing nitrate from water, preparation method and use thereof (2023-01-31),

5. 11458440 - Thin-film composite polyamide reverse osmosis membrane with anti-bacterial and anti-biofouling effects and preparation method thereof (2022-10-04),

6. 11052352 - Polyvinylidene fluoride/ultra-high molecular weight polyethylene blend microporous membrane and preparation method thereof (2021-07-06),

7. 10906006 - Homogeneous fiber reinforced PVDF hollow fiber membrane and preparation method thereof (2021-02-02),

8. 10710027 - Reinforced oil-absorptive membrane material, unit and preparation method thereof (2020-07-14),

9. 10604417 - Lanthanide fluoride two-dimensional porous nanosheets, and preparation method and applications thereof (2020-03-31),

10. 10252224 - Hydrophobic-oleophilic hollow fiber composite membrane and preparing method thereof (2019-04-09),

11. 9988466 - Benzocrown ether graft polymer with lithium isotopic separation effect and preparation method thereof (2018-06-05),

12. 9573113 - Hollow tubular oil absorbing material and preparing method thereof (2017-02-21),

13. 9533266 - Method for preparing homogeneous braid-reinforced PPTA hollow fiber membrane (2017-01-03),

14. 9415348 - Method for preparing aromatic polyamide porous hollow fiber membrane (2016-08-16),

15. 9359542 - Preparation method of polymeric phase-change material (2016-06-07),

Company Overview

Tianjin Polytechnic University is a prominent institution located in Tianjin, China, specializing in engineering and technology education. The university focuses on various fields, including textile engineering, mechanical design, and information technology, fostering innovation and research. It aims to cultivate skilled professionals equipped to meet the demands of modern industries, contributing to advancements in manufacturing and engineering practices. The university collaborates with local and international partners to enhance its research capabilities and educational offerings.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

20 Patents

#16 in Tianjin

#1,468 in China

#31,233 in the World

Tianjin Polytechnic University

Forward Citations = 17

56 inventors:

Changfa Xiao (10 out of 11 patents)

Zhiwei Wang (5 out of 19 patents)

Shulin An (5 out of 5 patents)

4. Qinglin Huang (5 out of 5 patents)

5. Hongwei Zhang (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tianjin Polytechnic University. Retrieved from https://idiyas.com/company/tianjin-polytechnic-university

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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