Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11887799 | Arc extinction apparatus of air circuit breaker | Sang Chul Lee, Kyu Ho Lee | 2024-01-30 |
| 9732543 | Door interlock device for transformer room of vacuum circuit breaker | Jong Doo Kim, Kil Young Ahn | 2017-08-15 |
| 9685282 | Door interlock device for vacuum circuit breaker | Seung Hwan Mun, Kil Young Ahn, Dae Soo Han | 2017-06-20 |
| 9679722 | Interlock apparatus of vacuum circuit breaker | Seung Hwan Mun, Dae Soo Han, Kil Young Ahn | 2017-06-13 |
| 9620938 | Switchboard applied with bushing-type current transformer | Kil Young Ahn, Dae Soo Han, Seung Hwan Mun, Jong Doo Kim | 2017-04-11 |
| 9595817 | Transformer position adjustment preventing device of switchboard | Jong Doo Kim | 2017-03-14 |
| 9425590 | Withdrawable-type circuit breaker | Jun Youn Jo, Hong Ik Yang, Kil Young Ahn, Seung Hwan Mun | 2016-08-23 |
| 9070521 | Circuit breaker | Hong Ik Yang | 2015-06-30 |
| 9012801 | Flexible shunt for vacuum circuit breaker | — | 2015-04-21 |
| 8779319 | Terminals for vacuum circuit breaker and vacuum circuit breaker having the same | Hyun-Jae Kim | 2014-07-15 |
| 8648271 | Position switch and circuit breaker having the same | In Kyum Kim, Kil Young Ahn, Hong Ik Yang, Yong Tae Kim | 2014-02-11 |
| 8604368 | Circuit breaker having cradle with a shutter safety device | In Kyum Kim, Hong Ik Yang, Kil Young Ahn | 2013-12-10 |
| 8575502 | Plug interlock device for circuit breaker and circuit breaker having the same | Hong Ik Yang, Kil Young Ahn, In Kyum Kim, Yong Tae Kim | 2013-11-05 |
| 7982148 | Connecting unit for coupling circuit breaker frames | — | 2011-07-19 |