| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Australia | 2 | |
| #3 | Belgium | 2 | |
| #4 | Canada | 2 | |
| #5 | Germany | 2 | |
| #6 | France | 2 | |
| #7 | Italy | 2 | |
| #8 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mann A | 2 |
| #2 | Mann Alfred W | 2 |
| #3 | Mann Alfred William | 2 |
| #4 | William Mann Alfred | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3727448A | Indirect extrusion | |
| US3735623A | Indirect extrusion die assembly and method of extruding |