| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 29 | |
| #2 | United States | 19 | |
| #3 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Grates |
| # | Name | Total Patents |
|---|---|---|
| #1 | Thompson James S | 37 |
| #2 | Buckley John J | 6 |
| #3 | Watson Robert | 3 |
| #4 | Robert Watson | 1 |
| #5 | Woert Myron P Van | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1918498A | Grate bar | |
| US1911007A | Grate frame | |
| US1902595A | Grate bar | |
| US1899539A | Grate bar | |
| US1912871A | Grate | |
| US1884918A | Grate | |
| US1912870A | Grate | |
| US1900530A | Grate | |
| US1917559A | Grate bar | |
| US1884917A | Grate bar | |
| US1911005A | Grate | |
| US1899537A | Furnace grate | |
| US1912869A | Grate construction | |
| US1912886A | Furnace grate construction | |
| US1912868A | Grate frame construction | |
| US1918497A | Grate construction | |
| US1803152A | Grate | |
| DE550781C | Grate bar with rows arranged on its opposite side surfaces of attachments extending upwards over the surface of the grate bar web | |
| DE552175C | Grate made of a supporting rod and cross rods pushed on from above | |
| US1884557A | Fuel grate |