| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Switzerland | 3 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Rolling metal | |
| #2 | Making metal sheets | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Inslee Heber C | 4 |
| #2 | Processes Inc Rockrite | 3 |
| #3 | Coe George B | 2 |
| #4 | Inslee Hebert C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB596965A | Improvements in or relating to tube reducing mills | |
| GB596926A | Improvements in or relating to tube reducing mills | |
| GB596378A | Improvements in pilger mills | |
| US2388251A | Tube reducing mill | |
| US2386864A | Steadier for elongated workpieces and mandrel bars | |
| US2386863A | Reducing mill | |
| US2374939A | Steadier for elongated workpieces and mandrel bars | |
| US2349246A | Manufacture of tapered stock | |
| US2387515A | Reducing mill | |
| US2358929A | Roll stand |