Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11767195 | Safety inspection system for occupant evacuation elevator, and method thereof | Seung Un Chae, Bum Yeon Cho, Ki-Seok Kwon | 2023-09-26 |
| 11577933 | System for supporting evacuation strategy using occupant evacuation elevator, and method thereof | Seung Un Chae, Bum Yeon Cho, Ki-Seok Kwon | 2023-02-14 |
| 11326345 | Hollow composite beam using dual-web and construction method thereof | Bum Yeon Cho | 2022-05-10 |
| 10737405 | Self-pouring mold system and method of fire-proofing, repairing, and reinforcing using the same | Bum Yeon Cho | 2020-08-11 |
| 10267041 | Anchoring wedge with separable bolt and method of anchoring tendon using the same | Bum Yeon Cho | 2019-04-23 |
| 9856647 | Non-welding type concrete-filled steel tube column using straight bolt connection slot and wave-shaped punching steel plate and method of constructing the same | Bum Yeon Cho | 2018-01-02 |
| 9228349 | Fire-resistance enhancing method for the high strength concrete structure | Hyung Jun Kim, IN-HWAN YEO, Bum-Yean Cho, Jong-uk Song, Dae-Bong Ju | 2016-01-05 |
| 8978340 | Method for fire-proofing composite slab using wire rope | IN-HWAN YEO, Hyung Jun Kim, Kyung-Hoon Park, Oh Sang Kweon | 2015-03-17 |
| 8528416 | Apparatus for testing tensile strength under high temperature condition and unit for measuring elongation provided in the same | Bong Jae Lee, Yong-Ho Yoo, Hyung Jun Kim, Kyung-Hoon Park | 2013-09-10 |
| 8434935 | Heating furnace for testing middle and long span structures | Bong Jae Lee, Hyung Jun Kim | 2013-05-07 |
| 8402839 | Jig for compression test in a heating furnace | Hyung Jun Kim | 2013-03-26 |
| 7530613 | Apparatus for connecting and disconnecting two objects | Yong-Bum Jun | 2009-05-12 |
| 7437872 | Object separating apparatus using gas | Yong-Bum Jun, Sang Hwa Kim | 2008-10-21 |