| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 19 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Machines | |
| #3 | Surface technology and coating | |
| #4 | Chemical engineering | |
| #5 | Packaging and shipping | |
| #6 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Unspecified technologies | |
| #3 | Electrolytic metal production | |
| #4 | Casings for combustion chambers | |
| #5 | Mixing | |
| #6 | Power supply for electric vehicles | |
| #7 | Transport or storage devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Klepetko Frank | 23 |
| #2 | Fischer George F | 1 |
| #3 | Evans William John | 1 |
| #4 | Evans William J | 1 |
| #5 | Morrow John T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US824181A | Roasting-furnace. | |
| US814298A | Roasting-furnace. | |
| US811643A | Roasting-furnace. | |
| US814299A | Roasting-furnace. | |
| US831166A | Roasting-furnace. | |
| US831165A | Roasting-furnace. | |
| US814297A | Roasting-furnace. | |
| US825326A | Roasting-furnace. | |
| GB190508808A | Improvements in Roasting Furnaces | |
| CA93372A | Roasting furnace | |
| US799063A | Roasting-furnace. | |
| US792053A | Roasting-furnace. | |
| US793939A | Roasting-furnace. | |
| US779717A | Roasting-furnace. | |
| US843825A | Roasting-furnace. | |
| CA87718A | Water jacket | |
| US744359A | Roasting-furnace. | |
| US733658A | Roasting-furnace. | |
| US743731A | Water-jacket. | |
| GB190211533A | Improvements in Roasting Furnaces |