Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10026573 | Tripping device of circuit breaker | Sung Rok Yoo | 2018-07-17 |
| 9859080 | Molded case circuit breaker | — | 2018-01-02 |
| 9054523 | Current detecting mechanism capable of detecting ground fault for direct current circuit breaker | — | 2015-06-09 |
| 8686815 | Apparatus of modular trip mechanism and auxiliary mechanism for circuit breaker | — | 2014-04-01 |
| 8368489 | Circuit breaker having trip cause indicating mechanism | — | 2013-02-05 |
| 8269588 | Cylinder type bistable permanent magnetic actuator | — | 2012-09-18 |
| 8193887 | Monostable permanent magnetic actuator using laminated steel core | — | 2012-06-05 |
| 8053695 | Time delay output apparatus for circuit breaker | — | 2011-11-08 |
| 6689980 | Circuit breaker having hybrid arc extinguishing function | — | 2004-02-10 |