| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Unspecified technologies | |
| #3 | Toys | |
| #4 | Unspecified technologies | |
| #5 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wood Clarence G | 17 |
| Publication | Filing date | Title |
|---|---|---|
| US2220564A | Clutch | |
| US2202132A | Clutch plate construction | |
| US2146665A | Toy vehicle | |
| US2197232A | Clutch plate | |
| US1990683A | Clutch plate | |
| US1963187A | Clutch plate | |
| US1963188A | Clutch plate | |
| US1977368A | Clutch plate | |
| US1835107A | Clutch actuating mechanism | |
| US1932998A | Screw actuated cone type brake | |
| US1642475A | Clutch | |
| US1524771A | Clutch | |
| US1465704A | Clutch-clamping lever | |
| US1506875A | Clutch clamping plate | |
| US1556277A | Friction clutch | |
| US1237135A | Universal joint. | |
| CA345153A | Clutch plate |