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Patent applications and USPTO patent grants for Ahn; Byung-Sik.The latest application filed is for "flexible short pipe having shock absorbing function".
Patent | Date |
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Flexible short pipe having shock absorbing function Grant 8,671,993 - Yoon , et al. March 18, 2 | 2014-03-18 |
Velocity and concentration adjustable coupling pipe apparatus equipped between lifting pipe and collector Grant 8,165,722 - Yoon , et al. April 24, 2 | 2012-04-24 |
Flexible Short Pipe Having Shock Absorbing Function App 20110232797 - YOON; Chi-Ho ;   et al. | 2011-09-29 |
Velocity And Concentration Adjustable Coupling Pipe Apparatus Equipped Between Lifting Pipe And Collector App 20110218685 - YOON; Chi-Ho ;   et al. | 2011-09-08 |
Apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and apparatus for manufacturing molten irons using the same Grant 7,588,717 - Lee , et al. September 15, 2 | 2009-09-15 |
Apparatus for Manufacturing Compacted Irons of Reduced Materials Comprising Fine Direct Reduced Irons and Apparatus for Manufacturing Molten Irons Using the Same App 20070235909 - Lee; Kwang-Hee ;   et al. | 2007-10-11 |
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