Registration of patents
Door damper of aircraft
Hydraulic shock absorber
having a bypass valve
A holding apparatus for heat
treatmenting of parts
Application of patent
| Application date | Description | Application Number |
|---|---|---|
| 2015.03.02 | Emergency power assist system | 10-2015-0029297 |
| 2015.03.31 | UAV including telescopic wing | 10-2015-0044919 |
| 2015.03.31 | Convertible wing type hybrid UAV | 10-2015-0044923 |
| 2015.03.31 | Wind direction auto directional VTOL drone and the method for controlling the same | 10-2015-0044945 |
| 2015.04.30 | Emergency door opening and damping system | 10-2015-0061208 |
| 2015.12.16 | Multi-purpose hybrid VTOL UAV with a detachable wings | 10-2015-0180462 |
| 2015.12.16 | Biplane type hybrid CTOL UAV with extendable retractable lower wing | 10-2015-0180469 |