| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Engines, pumps and turbines | |
| #5 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Wood saws | |
| #2 | Unspecified technologies | |
| #3 | Nailing machines | |
| #4 | Animal catching | |
| #5 | Steam turbines | |
| #6 | Accessories for machine tools | |
| #7 | Unspecified technologies | |
| #8 | Sawing | |
| #9 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson Arthur B | 13 |
| #2 | Alajoki George J | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2256616A | Means for supporting decoys | |
| US2170687A | Tiltable cutter unit | |
| US1870630A | Feed chain sprocket mounting and drive therefor | |
| US1862681A | Tool for surfacing and forming fibrous material | |
| US1795953A | Lap-joint-forming machine | |
| US1816485A | Sawing and resawing machine | |
| US1802514A | Sawing machine | |
| US1378415A | Rotary engine | |
| US1392334A | Automatic regulating-valve | |
| CA403564A | Decoy device | |
| CA224170A | Rotary engine | |
| CA329382A | Sawing machine | |
| CA248484A | Lumber cut-off machine |