| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 20 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Consumer goods | |
| #5 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Vehicle wheels | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices | |
| #4 | Footwear features | |
| #5 | Vehicle tyre repairing | |
| #6 | Smoking accessories | |
| #7 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Copithorn Walter E | 24 |
| Publication | Filing date | Title |
|---|---|---|
| US2119703A | Arch support | |
| US1853550A | Adjustable foot support | |
| US1780866A | Smoker's pipe | |
| US1721771A | Tire valve | |
| US1636045A | Demountable rim | |
| US1462227A | Tire valve | |
| US1520810A | Vehicle wheel | |
| US1354468A | Demountable rim | |
| CA174262A | Valve | |
| US1191065A | Demountable vehicle-rim. | |
| US1136892A | Automobile-tire. | |
| US1159475A | Valve. | |
| US1190118A | Wheel-rim. | |
| US1166817A | Wheel. | |
| US1207277A | Rim for pneumatic tires. | |
| US1165390A | Rim for vehicle-wheels. | |
| US1160977A | Demountable rim for automobile-wheels. | |
| CA146334A | Demountable rim | |
| US1100472A | Demountable rim for pneumatic tires. | |
| US1013374A | Detachable rim for pneumatic tires. |