| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Australia | 3 | |
| #3 | Canada | 1 | |
| #4 | Chile | 1 | |
| #5 | Mexico | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 | |
| #7 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Shafts | |
| #3 | Mining | |
| #4 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Miller Peter D | 7 |
| #2 | Peter D Miller | 3 |
| #3 | Cheng Eugene | 2 |
| #4 | Jiao Deyi | 2 |
| #5 | Sinnerstad Jonas | 2 |
| #6 | Leu Marcus | 1 |
| #7 | Gustavsson Hans | 1 |
| #8 | Olsson Magnus | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2020181981A1 | Method and apparatus for percussion drilling |