| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Gearing | |
| #3 | Unspecified technologies | |
| #4 | Grinding or polishing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rocke John | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA184857A | Driving mechanism and support | |
| CA191862A | Elevator | |
| US1097049A | Gearing for washing-machines. | |
| US1188207A | Driving mechanism and support therefor. | |
| US836829A | Wagon-jack. | |
| US784180A | Portable grain dump and elevator. | |
| US721466A | Portable grain dump and elevator. | |
| US655800A | Grain dump and elevator. | |
| CA290533A | Agitator | |
| CA282098A | Washing machine agitator | |
| US1041352A | Gearing. |