| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Textiles and paper | |
| #3 | Thermal processes | |
| #4 | Chemical engineering | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clark Charles B | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US952100A | Sulfur-burner. | |
| US952099A | Sulfur-burning furnace. | |
| US952098A | Process of obtaining sulfur dioxid. | |
| US927951A | Reclaiming apparatus for pulp-mills. | |
| US927950A | Process of manufacturing wood-pulp. | |
| US849369A | Gas-cooler. | |
| US830569A | Chip-drier. | |
| US813862A | Air-admission device for locomotive fire-boxes. | |
| CA5226A | Brush, cloth and mop holder | |
| CA2632A | A blind hinge | |
| CA2543A | Sliding door hanger | |
| CA5235A | Lock hinge | |
| CA2558A | A mop head |