Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8063532 | Motor of spring charging device in air circuit breaker | — | 2011-11-22 |
| 7985936 | Apparatus for indicating closing operable state for air circuit breaker and air circuit breaker having the same | — | 2011-07-26 |
| 7977595 | Automatic discharging apparatus for closing spring in air circuit breaker and air circuit breaker having the same | Sang Chul Lee, Ki Hwan Kim, Hong Ik Yang | 2011-07-12 |
| 7973622 | Apparatus for auxiliary contact of circuit breaker | Hong Ik Yang, Sang Chul Lee | 2011-07-05 |
| 7956307 | Circuit breaker having automatic release linkage | — | 2011-06-07 |