Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9027200 | Upright vacuum cleaner | Chung-Ook Chong, Kyu-Chun Choi, Chang-Hwa Sun | 2015-05-12 |
| 9003601 | Vacuum cleaner | Kyuchun Choi, Chungook Chong | 2015-04-14 |
| 8731384 | Steam head for cleaner | Seong-Koo Cho, Jin Hyouk Shin, Dong-Jae Lee | 2014-05-20 |
| 8695160 | Nozzle of vacuum cleaner | Kyeong Seon Jeong | 2014-04-15 |
| 8613125 | Vacuum cleaner | Kyeong Seon Jeong, Kyu-Chun Choi, Chang-Hwa Sun, Ju-young Min, Chung-Ook Chong | 2013-12-24 |
| 8434194 | Nozzle for a vacuum cleaner | Kyeong Seon Jeong, Kie Tak Hyun, Kyu-Chun Choi, Chang-Hwa Sun | 2013-05-07 |
| 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 |
| 8302252 | Dust separating apparatus of vacuum cleaner | Kie Tak Hyun, Kyeong Seon Jeong, Jin Hyouk Shin, Seong-Koo Cho | 2012-11-06 |
| 8292575 | Fan for air conditioner | In-Gyu Kim, Byung-Il Park, Ja Hyung Koo, Yang-Ho Kim, Kyeong-Wook Heo +10 more | 2012-10-23 |
| 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 |
| 8079113 | Vacuum cleaner having abilities for automatic moving and posture control and method of controlling the same | Chung-Ook Chong, Kyeong Seon Jeong, Kie Tak Hyun, Seong-Koo Cho, Kyu-Chun Choi +2 more | 2011-12-20 |
| 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 |
| 7810211 | Vacuum cleaner having agitator performing linear translation | Chung-Ook Chong, Keyong-seon Jeong, Kie Tak Hyun, Seong-Koo Cho, Kyu-Chun Choi +2 more | 2010-10-12 |
| 7556661 | Dust collection unit and vacuum cleaner with same | Hoi Kil Jeong, Young Jong Kim | 2009-07-07 |