Yunqi ZHANG

Follow

Person

Zhengzhou City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Spandex fiber dry spinning component and spinning part
- Patent number 12,104,282
- Issue date Oct 1, 2024
- Zhengzhou Zhongyuan Spandex Eng. Tech Co., Ltd
- Zutao Yuan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
SPANDEX FIBER DRY SPINNING COMPONENT AND SPINNING PART
- Publication number 20230279584
- Publication date Sep 7, 2023
- ZHENGZHOU ZHONGYUAN SPANDEX ENGINEERING TECHNOLOGY CO., LTD
- Zutao YUAN
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
SPANDEX FIBER DRY SPINNING COMPONENT AND SPINNING PART
- Publication number 20180291526
- Publication date Oct 11, 2018
- ZHENGZHOU ZHONGYUAN SPANDEX ENGINEERING TECHNOLOGY CO., LTD
- Zutao YUAN
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
ELASTIC FIBRE DRY SPINNING MECHANISM AND MAINTENANCE CONTROL METHOD...
- Publication number 20180016708
- Publication date Jan 18, 2018
- ZHENGZHOU ZHONGYUAN SPANDEX ENGINEERING TECHNOLOGY CO., LTD
- Zutao YUAN
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING