Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8544144 | Vacuum cleaner and dust separation apparatus thereof | Hae Seock Yang, Young-Min Hyun, Hyuk-Joo Kwon, Hyo-Churl Shin, Sang Jun Park +1 more | 2013-10-01 |
| 8316507 | Vacuum cleaner and dust separating apparatus thereof | Kie Tak Hyun, Hae Seock Yang, Kyeong Seon Jeong, Chang-Hoon Lee, Seong-Koo Cho +8 more | 2012-11-27 |
| 8186006 | Dust separation apparatus of vacuum cleaner | Kie Tak Hyun, Hae Seock Yang, Kyeong Seon Jeong, Chang-Hoon Lee, Seong-Koo Cho +8 more | 2012-05-29 |
| 7951216 | Dust separating apparatus of vacuum cleaner | Gun Ho Ha, Kyeong Seon Jeong, Jin-Wook Seo, Kie Tak Hyun, Chang Ho Yun +5 more | 2011-05-31 |
| 7383609 | Upright type vacuum cleaner having multi joint portion | — | 2008-06-10 |
| 7310854 | Dust cover of vacuum cleaner | Hyeun Sik Nam, Byung-Do Yoo | 2007-12-25 |
| 7076831 | Device for exhausting in vacuum cleaner | Sang Jun Park | 2006-07-18 |
| 6651294 | Device for protecting motor in vacuum cleaner | — | 2003-11-25 |
| 5180040 | Automatic electric card rewinding apparatus with contacts for supplying electric power | — | 1993-01-19 |
| 5134744 | Beater brush roller of vacuum cleaner beater brush assembly | — | 1992-08-04 |