WUHAN NRD LASER ENGINEERING CO., LTD.
Patent Applications and Registrations
Patent applications and USPTO patent grants for WUHAN NRD LASER ENGINEERING CO., LTD..The latest application filed is for "onsite steel rail laser processing engineering vehicle".
- WUHAN NRD LASER ENGINEERING CO., LTD. - Ezhou, Hubei N/A CN
- WUHAN NRD LASER ENGINEERING CO.,LTD - Hubei CN
- WUHAN NRD LASER ENGINEERING CO., LTD - Wuhan N/A CN
- WUHAN NRD LASER ENGINEERING CO., LTD. - Wuhan CN
| Patent | Date |
|---|---|
| Onsite steel rail laser processing engineering vehicle Grant 10,808,364 - Zeng , et al. October 20, 2 | 2020-10-20 |
| Method For Reinforcing Rail By Laser And Auxiliary Heat Source Efficient Hybrid Cladding App 20200199698A1 - | 2020-06-25 |
| 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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