Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8556594 | Vacuum ejector and vacuum apparatus having the same | Hyun Wook Kim, Yong Wook Kim | 2013-10-15 |
| 8529231 | Apparatus for cleaning rotation body and vacuum pump having the same | — | 2013-09-10 |
| 8083507 | Vacuum pump having rotation body cleaning unit with spraying holes on an output surface of the cleaning body surrounding a shaft | Seung-Ki Chae, Kwang-Myung Lee, Sang-Gon Lee | 2011-12-27 |
| 7748970 | Vacuum pump having fluid port and exhaust system | — | 2010-07-06 |
| 7670399 | Exhaust pipe having turbulence wings and an exhaust system | — | 2010-03-02 |