| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Machine tools | |
| #3 | Civil engineering | |
| #4 | Machines | |
| #5 | Mechanical elements | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Harnesses | |
| #2 | Wood processing machines | |
| #3 | Roof coverings | |
| #4 | Brushes | |
| #5 | Nails | |
| #6 | Machines for making railways | |
| #7 | Domestic washing | |
| #8 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Crawford Hezekiah H | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1718731A | Brush | |
| US1603583A | Woodworking machine | |
| US1522420A | Woodworking machine | |
| US1406980A | Metallic roof | |
| US1181995A | Floor-cleaner. | |
| US939985A | Harness. | |
| CA104666A | Harness | |
| US859802A | Harness. | |
| US832596A | Harness. | |
| US817161A | Rail-joint chair. | |
| US812185A | Lock-nut. |