| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 7 | |
| #2 | United States | 3 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | Chile | 1 | |
| #6 | China | 1 | |
| #7 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Blasting | |
| #2 | Shafts | |
| #3 | Earth drilling | |
| #4 | Mining | |
| #5 | Explosive charges | |
| #6 | Explosives |
| # | Name | Total Patents |
|---|---|---|
| #1 | Van Dyk Andre | 15 |
| #2 | Tota Edward W | 2 |
| Publication | Filing date | Title |
|---|---|---|
| CN107923243A | Tunnel excavator | |
| WO2012095779A1 | Non-explosive rock breaking | |
| WO03055829A1 | Explosive for rock breaking | |
| WO03060290A1 | Activated stemming device | |
| WO03060419A1 | Method of and apparatus for breaking rock | |
| US2006096487A1 | Element for initiating propellant |