| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Hand-held cutting tools | |
| #3 | Milling | |
| #4 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Green Leslie P | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2109195A | Scraper | |
| US2128772A | Safety razor | |
| US1972930A | Crusher | |
| US1524096A | Scraper | |
| US1548035A | Clutch | |
| US1430076A | Excavator | |
| US1480389A | Scraper | |
| US1448212A | Excavator | |
| US1430075A | Scraper | |
| US1399382A | Scraper | |
| CA255877A | Scraper |