| Title | No. | Registration Date |
Expiration Date |
|---|---|---|---|
| Ditch type infiltration equipment | 10-1194234 | 2012-10-18 | 2031-04-19 |
| A RAINWATER TREATMENT AND STORAGE STRUCTURE UNDER PAVEMENT | 10-1261122 | 2013-04-29 | 2031-03-16 |
| PAVEMENT PROCESSS OF LOW TEMPERATURE ASCON USING HEATING ASCON PLANT | 10-1052077 | 2011-07-20 | 2031-02-18 |
| MIXING EQUIPMENT OF LOW TEMPERATURE MIX BITUMINOUS EMULSION ASPHALT | 10-1045665 | 2011-06-24 | 2031-02-18 |
| ENVIRONMENT-FRIENDLY RED CLAY CONCRETE COMPOSITION AND CONSTRUCTING METHOD OF PACKING MATERIALS USING THE SAME | 10-1080387 | 2011-10-31 | 2031-01-31 |
| Device for Blocking Water at Entrance of Subway Station | 10-1253431 | 2013-04-04 | 2030-12-24 |
| Revetment for preventing waterleakage and construction method thereof | 10-1097379 | 2011-12-15 | 2030-12-16 |
| METHOD OF INJECTING REPAIRING LIQUID FOR REPAIRING CRACKS OF CONCRETE STRUCTURES | 10-1055377 | 2011-08-02 | 2030-11-26 |