| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 11 | |
| #2 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machine tools | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Drying solid materials by removing liquid | |
| #2 | Vehicle wheels | |
| #3 | Wood processing machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Warwick Charles | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US1081415A | Spring vehicle-wheel. | |
| CA143024A | Spring wheel | |
| CA150844A | Gas generator | |
| CA139573A | Shingle knife | |
| US984624A | Shingle-cutting machine. | |
| CA125816A | Shingle making machine | |
| US984623A | Shingle-drying machine. | |
| CA60218A | Heater | |
| CA205692A | Cushion tire | |
| CA219744A | Oil burner | |
| CA226451A | Means of preventing backfiring of oil burners | |
| CA198534A | Fluid pressure rotary engine | |
| CA198314A | Rotary pump | |
| CA207703A | Cushion tire |