| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Agriculture | |
| #4 | Chemical engineering | |
| #5 | Thermal processes | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Cyclones | |
| #3 | Unspecified technologies | |
| #4 | Separation | |
| #5 | Horticulture | |
| #6 | Steam generation | |
| #7 | Animal catching | |
| #8 | Milling | |
| #9 | Planting | |
| #10 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oh Jang-Keun | 14 |
| #2 | Cha Seung-Yong | 3 |
| #3 | Han Jung-Gyun | 3 |
| #4 | Kim Min-Ha | 3 |
| #5 | Kim Hyoun-Soo | 1 |
| #6 | Severinets Georgiy | 1 |
| #7 | Lee Hyun-Il | 1 |
| #8 | Park Chang-Hyun | 1 |
| #9 | Choe Jun-Hoo | 1 |
| #10 | Lee Jun-Hwa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2013007981A1 | Vacuum cleaner having shredder | |
| US2010205915A1 | Dust collecting apparatus for vacuum cleaner | |
| US2010206173A1 | Dust collecting apparatus for compressing dust | |
| US2010192776A1 | Dust separating apparatus having adjustable dust collecting space | |
| WO2010044541A2 | Dust collecting device | |
| US2009064448A1 | Steam vacuum cleaner | |
| US2008250764A1 | Connecting tube having dust sensing function for use in vacuum cleaner |