| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Thermal processes | |
| #3 | Basic materials chemistry | |
| #4 | Basic communication technologies | |
| #5 | Materials and metallurgy | |
| #6 | Transport | |
| #7 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Feeding fuel to combustion device | |
| #3 | Producer gas production | |
| #4 | Furnaces | |
| #5 | Solid fuel combustion | |
| #6 | Horticulture | |
| #7 | Pulse technique | |
| #8 | Railway systems | |
| #9 | Gas, coke and tar production | |
| #10 | Iron and steel production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Greene Frank C | 21 |
| #2 | Laucks Irving F | 1 |
| #3 | Hertel Otto H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1917968A | Blast furnace | |
| US1890661A | Apparatus for carbonizing coal and like material | |
| US1947590A | Gas generator | |
| US1921253A | Fire unit for furnaces | |
| US1849294A | Reactive stoker for use with steam boilers | |
| US1890662A | Means for heat treating material | |
| US1717923A | Furnace and stoker therefor | |
| US1940945A | Reactive stoker | |
| US1890606A | Gas generator | |
| US1730570A | Muffle furnace | |
| CA146062A | Dump mechanism for cars | |
| US1065325A | Automatic transfer-dump. | |
| US946636A | Car-dumping mechanism. | |
| US949228A | Car-lift. | |
| US916401A | End-gate for mine-cars. | |
| US943874A | Car-haul. | |
| US853971A | Device for collecting miners' checks. | |
| US976168A | Car-dumping mechanism. | |
| CA300905A | Apparatus for the combustion of carbonaceous materials | |
| US976170A | Car-dumping mechanism. |