| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 3 | |
| #2 | Brazil | 2 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | New Zealand | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Positive-displacement engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Claringbull Peter | 6 |
| #2 | Claringbull P | 3 |
| Publication | Filing date | Title |
|---|---|---|
| BR8105078A | Impact applicator mechanism and underground drilling equipment | |
| US4401168A | Impact applying mechanism | |
| GB2101694A | Impacting apparatus | |
| ZA8103414B | Impact applying mechanism | |
| US4319784A | Apparatus for water jet and impact drilling and mining | |
| AU5624180A | Slurry mining in bore hole |