| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 7 | |
| #2 | United States | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | China | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kim Jung Yeon | 11 |
| #2 | Kim Tae Yeon | 3 |
| Publication | Filing date | Title |
|---|---|---|
| KR20190087374A | Blind valve | |
| KR102066419B1 | Large Goggle Valve | |
| US2020256470A1 | Blind valve | |
| KR20200097051A | blind valve | |
| KR20190121606A | Pressurizing ring for blind valve | |
| KR101888632B1 | Blind valve | |
| KR20190010385A | Blind valve | |
| US2018180186A1 | Line blind valve | |
| KR20180075239A | Line blind valve |