| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Australia | 5 | |
| #3 | South Africa | 5 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Mining | |
| #2 | Shafts | |
| #3 | Safety devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cline Michael | 20 |
| #2 | Dickinson John | 20 |
| #3 | Myers Timothy J | 19 |
| #4 | Meyers Timothy J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2018195390A1 | Mining underground formations | |
| US2014265522A1 | Mining methods and equipment |