Trademark applications and grants for Wu Wenhe. Wu Wenhe has 2 trademark applications. The latest application filed is for "HCDIM"
Patent Application | Date |
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EFFICIENT LONG-SERVICE-LIFE BLOWING METHOD AND SYSTEM FOR VANADIUM EXTRACTION-DECARBURIZATION DUPLEX CONVERTERS 20200340070 - 16/926483 ZHU; Rong ;   et al. | 2020-10-29 |
CLEAN AND RAPID SMELTING METHOD IN AN ELECTRIC ARC FURNACE WITH FULL SCRAP STEEL 20190048430 - 16/052629 ZHU; Rong ;   et al. | 2019-02-14 |
Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters 10,988,818 - 16/926,483 Zhu , et al. April 27, 2 | 2021-04-27 |
Clean and rapid smelting method in an electric arc furnace with full scrap steel 10,808,290 - 16/052,629 Zhu , et al. October 20, 2 | 2020-10-20 |
Mark Image Registration | Serial | Trademark Application Date |
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![]() "HCDIM" 97201087 |
HCDIM 2022-01-04 |
![]() "HCDIM" 5813505 88260042 |
HCDIM 2019-01-14 |
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