| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Materials and metallurgy | |
| #3 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Foundry moulding | |
| #2 | Clutches and brakes | |
| #3 | Gearing | |
| #4 | Shafts | |
| #5 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wood Charles O | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US1808093A | Molder's flask | |
| US1809435A | Belt drive | |
| US1282666A | Friction-clutch. | |
| US1217258A | Expanding friction-clutch. | |
| US1117295A | Flask-rest. | |
| US1126607A | Sand-strip. | |
| CA152917A | Moulding jacket | |
| CA152918A | Moulding jacket | |
| US1101160A | Molding-jacket. | |
| US1077779A | Molding-jacket. | |
| CA96407A | Friction clutch | |
| US796886A | Friction-clutch. | |
| US790609A | Shaft-hanger. |