| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Materials and metallurgy | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Rolling metal | |
| #2 | Casting metal | |
| #3 | Making metal sheets | |
| #4 | Unspecified technologies | |
| #5 | Pig-iron processing | |
| #6 | Punching metal | |
| #7 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kilmer Elmer E | 2 |
| #2 | Andrew Forrest | 2 |
| #3 | Groth Fred P | 2 |
| #4 | Berger Nelson William | 2 |
| #5 | Leonard Edwin E | 1 |
| #6 | Theodore Blocker Asa | 1 |
| #7 | John Mcconnell | 1 |
| #8 | Marshall Smith George | 1 |
| #9 | Klump Joseph R | 1 |
| #10 | John Mcgaff | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1703523A | Header for ingot molds | |
| US1735282A | Bar twister for rolling mills | |
| US1735288A | Strip-feeding machine | |
| US1612862A | Ingot-casting apparatus | |
| US1475436A | Wire-block stripper | |
| US1484665A | Cooling bed | |
| US1484664A | Cooling bed | |
| US1484717A | Cooling bed | |
| US1463634A | Cooling bed | |
| US1531344A | Cooling bed | |
| US1475435A | Wire-block stripper | |
| US1472803A | Busheling furnace | |
| US1420328A | Process of making alloy steel |