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Patent applications and USPTO patent grants for AHN; Deok Chan.The latest application filed is for "austenitic stainless steel having excellent pipe-expandability and age cracking resistance".
Patent | Date |
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Austenitic Stainless Steel Having Excellent Pipe-expandability And Age Cracking Resistance App 20220049333 - KIM; Sang Seok ;   et al. | 2022-02-17 |
Ti- And Nb-added Ferritic Stainless Steel Excellent In Low-temperature Toughness Of Welds App 20210310105 - Kim; Jong Chul ;   et al. | 2021-10-07 |
Ferritic Stainless Steel Having Reduced Carbon Sludge Adsorption For Exhaust System Heat Exchanger And Method Of Manufacturing Same App 20210147966 - Jung; Il Chan ;   et al. | 2021-05-20 |
Ferrite-based Stainless Steel Having Improved Pipe-exanding Workability And Method For Manufacturing Same App 20200385837 - Jung; Il Chan ;   et al. | 2020-12-10 |
Ferritic Stainless Steel Having Excellent Sound Absorption Properties For Exhaust System Heat Exchanger And Method Of Manufactur App 20200033077 - JUNG; Il Chan ;   et al. | 2020-01-30 |
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