LI; Chongyang
Patent Applications and Registrations
Patent applications and USPTO patent grants for LI; Chongyang.The latest application filed is for "ultrasonic gas sensor".
- LI; Chongyang - Wuhan CN
- Li; Chongyang - Hubei CN
| Patent | Date |
|---|---|
| Ultrasonic Gas Sensor App 20220299480 - XIONG; Youhui ; et al. | 2022-09-22 |
| Onsite steel rail laser processing engineering vehicle Grant 10,808,364 - Zeng , et al. October 20, 2 | 2020-10-20 |
| Onsite Steel Rail Laser Processing Engineering Vehicle App 20190161918 - ZENG; Xiaoyan ; et al. | 2019-05-30 |
| Method and apparatus for laser quenching Grant 10,106,864 - Zeng , et al. October 23, 2 | 2018-10-23 |
| Onsite steel rail laser processing vehicle Grant 9,365,983 - Zeng , et al. June 14, 2 | 2016-06-14 |
| Method And Apparatus For Laser Quenching App 20160076115 - ZENG; Xiaoyan ; et al. | 2016-03-17 |
| Onsite Steel Rail Laser Processing Vehicle App 20150020707 - Zeng; Xiaoyan ; et al. | 2015-01-22 |
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