| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Czechia | 1 | |
| #3 | Ecuador | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Finland | 1 | |
| #6 | Hungary | 1 | |
| #7 | Norway | 1 | |
| #8 | Slovakia | 1 | |
| #9 | United States | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Mining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bruce Howard D | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA2212993A1 | Method and apparatus for fracturing rock or similar material | |
| CZ66393A3 | Process of quarrying a rock or the like material | |
| US5087100A | Method of fracturing rock or similar material and apparatus therefore |