IlWook Han

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Pohang, KR

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Patents Grantslast 30 patents

Information Patent Grant
Field girth welding technology for high manganese steel slurry pipe...
- Patent number 12,311,474
- Issue date May 27, 2025
- ExxonMobil Research and Engineering Company
- Andrew J. Wasson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Field dissimilar metal welding technology for enhanced wear resista...
- Patent number 11,130,204
- Issue date Sep 28, 2021
- ExxonMobil Research and Engineering Company
- Andrew J. Wasson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Field girth welding technology for high manganese steel slurry pipe...
- Patent number 10,493,569
- Issue date Dec 3, 2019
- ExxonMobil Research and Engineering Company
- Andrew J. Wasson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High manganese steel pipe with step-out weld zone erosion-corrosion...
- Patent number 10,493,570
- Issue date Dec 3, 2019
- ExxonMobil Research and Engineering Company
- HyunWoo Jin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Field Girth Welding Technology for High Manganese Steel Slurry Pipe...
- Publication number 20200086431
- Publication date Mar 19, 2020
- ExxonMobil Research and Engineering Company
- Andrew J. Wasson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH MANGANESE STEEL PIPE WITH STEP-OUT WELD ZONE EROSION-CORROSION...
- Publication number 20170312861
- Publication date Nov 2, 2017
- ExxonMobile Research and Engineering Company
- HyunWoo Jin
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...