| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Transport | |
| #3 | Civil engineering | |
| #4 | Machines | |
| #5 | Thermal processes | |
| #6 | Mechanical elements | |
| #7 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Harley Bertron G | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2484827A | Baffle type muffler with corrugated casing | |
| US2477453A | Lawn mower | |
| US2484826A | Silencer with flattened corrugated gas passage | |
| US2127359A | Coupling | |
| US2089060A | Diner | |
| US2089059A | Diner | |
| US2089058A | Diner | |
| US1500584A | Rudder | |
| US1491233A | Boat propeller | |
| US757919A | Machine-belting and method of making same. | |
| CA241006A | Propeller for boats | |
| CA238018A | Boat propeller |