| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | United Kingdom | 2 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Grates | |
| #2 | Unspecified technologies | |
| #3 | Measuring volume | |
| #4 | Combustion residues removal | |
| #5 | Feeding fuel to combustion device |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcclave William | 11 |
| Publication | Filing date | Title |
|---|---|---|
| GB190126375A | Improvements in Furnaces. | |
| US689560A | Cut-out for grates. | |
| US689827A | Grate for furnaces. | |
| US689740A | Fuel-feeding mechanism for furnaces. | |
| US641133A | Grate. | |
| US643882A | Stoking mechanism. | |
| US646913A | Grate. | |
| GB189904704A | Improvements in Furnaces. | |
| CA64173A | Furnace | |
| US630916A | Furnace. | |
| US631901A | Furnace. |