| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Basic materials chemistry | |
| #3 | Materials and metallurgy | |
| #4 | Packaging and shipping | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Details of furnaces | |
| #2 | Cranes | |
| #3 | Furnaces | |
| #4 | Rolling metal | |
| #5 | Gas, coke and tar production | |
| #6 | Pig-iron processing | |
| #7 | Casting metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wellman Samuel T | 12 |
| #2 | Wellman Charles H | 10 |
| #3 | Seaver John W | 5 |
| #4 | Daniels Fred H | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1084914A | Ladle for molten metal. | |
| US1116772A | Apparatus for treating metals. | |
| US721626A | Manipulator for feed-tables of rolling-mills. | |
| US682441A | Coke-oven. | |
| US692746A | Combined charging and discharging device for coke-ovens. | |
| US660477A | Soaking-pit crane. | |
| US645306A | Rolling-mill. | |
| US645305A | Heating-furnace. | |
| US649022A | Apparatus for manufacturing open-hearth steel. | |
| US655139A | Open-hearth furnace. | |
| US647347A | Pusher for coke-ovens. | |
| US698423A | Crane and scaffolding. |