| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Vehicle wheels | |
| #2 | Unspecified technologies | |
| #3 | Railway brakes | |
| #4 | Physical training equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Doerr Harry E | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2110357A | Wheel | |
| US1960302A | Wheel | |
| US1960300A | Wheel | |
| US1976546A | Counter-balance for locomotive drive wheel centers | |
| US1960301A | Wheel | |
| US1960299A | Wheel | |
| US1467714A | Golf club | |
| US1257590A | Brake-beam hanger. | |
| CA347811A | Wheel | |
| CA347810A | Wheel | |
| CA353147A | Locomotive wheel centre counter-balance |