Choo; Wung Yong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Choo; Wung Yong.The latest application filed is for "thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof".
- Choo; Wung Yong - Pohang KR
- Choo; Wung-Yong - Pohang-si KR
| Patent | Date |
|---|---|
| Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof Grant 11,136,646 - Choo , et al. October 5, 2 | 2021-10-05 |
| Thermal Reduction Apparatus For Metal Production, Gate Device, Condensing System, And Control Method Thereof App 20190218642 - CHOO; Dong Kyun ; et al. | 2019-07-18 |
| Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof Grant 10,287,651 - Choo , et al. | 2019-05-14 |
| Thermal Reduction Apparatus For Metal Production, Gate Device, Condensing System, And Control Method Thereof App 20160069615 - CHOO; Dong Kyun ; et al. | 2016-03-10 |
| Steel plate having Tin+MnS precipitates for welded structures, method for manufacturing same and welded structure Grant 6,946,038 - Jeong , et al. September 20, 2 | 2005-09-20 |
| Steel plate to be precipitating tinfor welded structures, method for manufacturing the same and welding fabric using the same App 20030106623 - Jeong, Hong-Chul ; et al. | 2003-06-12 |
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