| Class | Patent no. | Patent name | Note |
|---|---|---|---|
| Patent | 10-0942264 | Cryogenic ball valve | Patent register |
| Patent | 10-1492052 | Tank for liquid gas transportation | |
| Patent | 10-1652254 | Cryogenic fluid storage tank manufacture method | |
| Patent | 10-1688194 | Bifurcating node of truss for substructure of coastal wind generator plant |
|
| Patent | 10-1892023 | Cold stretching high pressure storage tank manufacturing device and method | |
| Patent | 10-1936382 | Supporter for double piping | |
| Patent | 10-1975271 | Dual insulating interior/exterior connection tube and cable | |
| Patent | 10-2079516 | Horizontal dual-tank for ships for cryogenic materials | |
| Patent | 10-2107394 | LNG charging and BOG recovery line system | |
| Patent | 10-2533316 | Nodes for offshore wind power substructures manufactured by casting | |
| Patent | 10-2482746 | Method for high nitrogen stainless steel | |
| Patent | 10-2446871 | Liquefied Gas Emergency Supply System and Method | |
| Patent | 10-2398977 | Anti-shock tube container for radioactive waste matter | |
| Patent | 10-2282914 | Measurement System of Pressure Difference in Tank Preventing Liquid Inflow | |
| Patent | 10-2237445 | Measurement System of Pressure Difference in Tank Preventing Liquid Inflow | |
| Certificate of trademark registration | 40-0820683 | 11 cases including metal container for gas storage | Trademark register |
| Certificate of trademark registration | 40-0820684 | 13 cases including gas mixer, etc. | Trademark register |
