Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887349 | Vacuum cleaner | Chang-Hoon Lee, Young-Ho Kim, Man Tae Hwang, Hae Seock Yang | 2014-11-18 |
| 8544143 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2013-10-01 |
| 8404034 | Vacuum cleaner and method of controlling the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +16 more | 2013-03-26 |
| 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 |
| 8312593 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2012-11-20 |
| 8281455 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2012-10-09 |
| 8240001 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2012-08-14 |
| 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 |
| 8060979 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-11-22 |
| 8043410 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-10-25 |
| 8043397 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-10-25 |
| 8021452 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-09-20 |
| 8012250 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +15 more | 2011-09-06 |
| 7998234 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-08-16 |
| 7987551 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +15 more | 2011-08-02 |
| 7882592 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2011-02-08 |
| 7785396 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2010-08-31 |
| 7770253 | Vacuum cleaner with removable dust collector, and methods of operating the same | Gun Ho Ha, Jin-Wook Seo, Chang Ho Yun, Jin Young Kim, Chang-Hoon Lee +14 more | 2010-08-10 |
| 7749295 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2010-07-06 |
| 7645309 | Dust collection unit and vacuum cleaner with the same | Man Hwang, Young-Ho Kim, Jung Bae Hwang, Min Su Park | 2010-01-12 |
| 7601188 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2009-10-13 |
| 7582128 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Myung Sig Yoo, Jae Kyum Kim, Moo Hyun Ko +14 more | 2009-09-01 |
| 7556661 | Dust collection unit and vacuum cleaner with same | Geun-Bae Hwang, Young Jong Kim | 2009-07-07 |
| 7552506 | Filter assembly for vacuum cleaner | Yun-Seok Lee, Jae Geun Lee | 2009-06-30 |
| 7488362 | Dust collection assembly of vacuum cleaner | Man Tae Hwang, Young-Ho Kim, Jung Bae Hwang, Min Su Park | 2009-02-10 |