Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11766159 | Vacuum cleaner | Kookhaeng Lee, Jungwan Ryu | 2023-09-26 |
| 11751741 | Vacuum cleaner | Kookhaeng Lee, Jungwan Ryu, Youngsoo Kim | 2023-09-12 |
| 8782850 | Vacuum cleaner | Myung Sig Yoo, Man Tae Hwang, Hae Seock Yang, Jong Su Choo | 2014-07-22 |
| 8726459 | Vacuum cleaner | Chang Ho Yun, Gun Ho Ha, Jin Young Kim, Man Tae Hwang, Hae Seock Yang +5 more | 2014-05-20 |
| 8544143 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2013-10-01 |
| 8404034 | Vacuum cleaner and method of controlling the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +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, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2012-11-20 |
| 8281455 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2012-10-09 |
| 8240001 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +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, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2011-11-22 |
| 8043397 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2011-10-25 |
| 8043410 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2011-10-25 |
| 8021452 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2011-09-20 |
| 8012250 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +15 more | 2011-09-06 |
| 7998234 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2011-08-16 |
| 7992253 | Vacuum cleaner | Chang Ho Yun, Gun Ho Ha, Jin Young Kim, Man Tae Hwang, Hae Seock Yang +5 more | 2011-08-09 |
| 7987551 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +15 more | 2011-08-02 |
| 7958598 | Vacuum cleaner | Chang Ho Yun, Gun Ho Ha, Jin Young Kim, Man Tae Hwang, Hae Seock Yang +6 more | 2011-06-14 |
| 7882592 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2011-02-08 |
| 7785396 | Vacuum cleaner with removable dust collector, and methods of operating the same | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +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, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2010-07-06 |
| 7601188 | Vacuum cleaner | Man Tae Hwang, Hae Seock Yang, Hoi Kil Jeong, Myung Sig Yoo, Jae Kyum Kim +14 more | 2009-10-13 |