| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Basic materials chemistry | |
| #3 | Machines | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Casings for combustion chambers | |
| #2 | Grates | |
| #3 | Details of furnaces | |
| #4 | Producer gas production | |
| #5 | Gas, coke and tar production | |
| #6 | Furnaces | |
| #7 | Shaping of plastics | |
| #8 | Unspecified technologies | |
| #9 | Combustion residues removal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Girtanner Frederick | 6 |
| #2 | Miller Robert H | 3 |
| #3 | Polk Roger W | 1 |
| #4 | Green John L | 1 |
| #5 | Rosborough John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1264207A | Gas-generator. | |
| US1104375A | Glass-furnace. | |
| US1050531A | Endless movable grate for furnaces. | |
| US1057544A | Process for manufacturing pots for melting glass. | |
| US1068581A | Furnace-arch. | |
| US986455A | Furnace-arch. | |
| US1001385A | Chain-grate. | |
| US968844A | Ash-drag. | |
| US1070509A | Leer. | |
| US1086467A | Fire-arch for furnaces. | |
| US941572A | Furnace-grate. | |
| US924564A | Cleaning-out apparatus for gas-producer connections. |