| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 4 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Brazil | 1 | |
| #6 | China | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Japan | 1 | |
| #9 | Republic of Korea | 1 | |
| #10 | Mexico | 1 | |
| #11 | Sweden | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Nails | |
| #3 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Li Charlie Chunlin | 15 |
| #2 | Chunlin Li Charlie | 1 |
| #3 | Charlie Chunlin Li | 1 |
| #4 | Li Charie Chunlin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2009227874A1 | Method of supporting ground using a combined rock bolt, and such a combined rock bolt | |
| WO2009134139A1 | Surface retaining face plate for rock bolts | |
| CA2653307A1 | Improved rock bolt with ploughing anchors | |
| CN101720379A | A deformable rock bolt |