| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 15 | |
| #2 | United States | 10 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Mining | |
| #2 | Transport or storage devices | |
| #3 | Explosive charges | |
| #4 | Shafts | |
| #5 | Guiding railway traffic |
| # | Name | Total Patents |
|---|---|---|
| #1 | O'Toole Edward | 27 |
| #2 | Eavenson Howard N | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1165017A | Continuous mine-hoist. | |
| US1276952A | System of mining coal. | |
| US1283880A | Mining-machine. | |
| US1096795A | Method of and apparatus for sinking shafts. | |
| US1011995A | Excavating-machine. | |
| US1011994A | Excavating-machine. | |
| US957364A | Removing coal from mines. | |
| US909321A | Torpedo. | |
| US1151383A | Mining-machine. | |
| GB190711924A | Improvements in or connected with Torpedoes. | |
| GB190616267A | An Improved Combustion-products Engine | |
| US659984A | Mining-machine. | |
| CA247838A | Mining machine | |
| CA247837A | Mining apparatus | |
| CA279001A | Coal cleaning apparatus | |
| CA258716A | Method of mining | |
| CA252879A | Mining mechanism | |
| CA247836A | Mining machine | |
| CA269283A | Mining machine | |
| CA269284A | Mining machine tool |