| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Republic of Korea | 28 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Civil engineering | |
| #5 | Macromolecular chemistry and polymers | |
| #6 | Transport | |
| #7 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Her Cha Soon | 28 |
| Publication | Filing date | Title |
|---|---|---|
| KR20090076247A | Synthetic pipe | |
| KR20090017172A | Synthetic pipe | |
| KR20080029356A | Synthetic pipe | |
| KR20080029357A | Synthetic pipe | |
| KR20080026751A | Pipe connector having a locking and connecting socket | |
| KR100784825B1 | Pipe connector having a supporting ring | |
| KR20080026749A | Pipe connection structure | |
| KR20080026750A | Pipe connecter having a complex water sealing structure | |
| KR100750039B1 | Synthetic pipe | |
| KR20070023884A | Synthetic pipe | |
| KR20070023883A | Synthetic pipe | |
| KR100632782B1 | Synthetic pipe | |
| KR20060112787A | Synthetic pipe | |
| KR20050102589A | Synthetic pipe | |
| KR100593758B1 | Synthetic pipe | |
| KR20060095009A | Synthetic resin pipe | |
| KR20060095007A | Synthetic resin pipe | |
| KR20060095008A | Synthetic resin pipe | |
| KR20060068704A | Pipe forming apparatus | |
| KR20060008206A | Synthetic resin pipe |