| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping | |
| #3 | Machines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Safety devices | |
| #2 | Shafts | |
| #3 | Transport or storage devices | |
| #4 | Railway shifting | |
| #5 | Blasting | |
| #6 | Mining | |
| #7 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Joy Joseph F | 16 |
| #2 | Stanley Burch Joseph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1582247A | Gathering mechanism | |
| US1558550A | Conveyer | |
| US1511221A | Conveyer | |
| US1582273A | Method of blasting and apparatus therefor | |
| US1435008A | Stopping for mine-ventilating crosscuts | |
| US1445087A | Coal-loading machine | |
| US1429145A | Method of and means for locomotive transportation of coal cars in mines | |
| US1445086A | Drill | |
| US1445085A | Mining apparatus | |
| US1445084A | Coal-loading machine | |
| US1307009A | Gathering mechanism for coal-loading machines. | |
| US1411702A | Coal-loading machine | |
| CA259687A | Loading machine | |
| CA260257A | Loading machine | |
| CA259689A | Loading machine | |
| CA259688A | Loading machine | |
| CA259690A | Loading machine |