| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Thermal processes | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Milling | |
| #2 | Burners | |
| #3 | Feeding fuel to combustion device | |
| #4 | Unspecified technologies | |
| #5 | Drying solid materials by removing liquid | |
| #6 | Cyclones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Raymond Collins Harry | 5 |
| #2 | Breerwood Charles H | 3 |
| #3 | Fuller James W | 1 |
| #4 | Hogg Baker William | 1 |
| #5 | Lew Warford Norman | 1 |
| #6 | Orlando Groman Russell | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1750636A | Pulverizer mill | |
| US1519991A | Pulverizing mill | |
| US1519992A | Pulverizing mill | |
| US1519990A | Pulverizing mill | |
| US1549285A | Apparatus for delivering powdered coal to furnaces | |
| US1541902A | Drier | |
| US1535903A | Pulverized-fuel burner | |
| US1631119A | Pulverized-fuel feeder | |
| US1444585A | Separator | |
| US1496913A | Pulverized-fuel burner | |
| US1484298A | Pulverizer mill | |
| US1345082A | Pulverizer-mill |