| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Thermal processes | |
| #3 | Materials and metallurgy | |
| #4 | Machine tools | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Gas, coke and tar production | |
| #3 | Producer gas production | |
| #4 | Building materials | |
| #5 | Unspecified technologies | |
| #6 | Rolling metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kernohan Robert B | 12 |
| #2 | Lochhead James S | 3 |
| #3 | Willibald Trinks | 3 |
| #4 | Rendleman Norman C | 1 |
| #5 | Hall Morgan W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1596048A | Method of operating coke ovens | |
| US1479507A | Furnace charging | |
| US1587589A | Apparatus for coking coal | |
| US1513828A | Structure and method of operation of heating furnaces | |
| US1506840A | Structure and method of operation of heating furnaces | |
| US1741025A | Open-hearth-furnace structure and method of operation | |
| US1228782A | Universal mill. | |
| US940696A | Gas-producer. | |
| US936636A | Gas-producer. | |
| US732866A | Continuous heating-furnace. | |
| CA264396A | Coking method | |
| CA249248A | Coking apparatus |