| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 6 | |
| #2 | Austria | 5 | |
| #3 | Canada | 5 | |
| #4 | Switzerland | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Making screws | |
| #2 | Machines for artistic work |
| # | Name | Total Patents |
|---|---|---|
| #1 | Seiferth Hugo | 10 |
| #2 | Hugo Seiferth | 4 |
| Publication | Filing date | Title |
|---|---|---|
| ES126310A1 | A process for manufacturing metal parts in bars of cross sections. | |
| ES125135A1 | Improvements in the rolling mills for the production of profiled metal parts. | |
| ES122740A1 | Procedure to laminate. | |
| ES120367A1 | A process for laminating profiles with transverse ribs. | |
| ES118244A1 | A process for manufacturing profiled metal parts. | |
| CA322617A | Metal rolling method | |
| CA311853A | Profile metal production | |
| CA315409A | Apparatus for making profile metal articles | |
| CA325113A | Metal rolling method | |
| CA334646A | Metal bar and rib making apparatus |