| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 7 | |
| #2 | Germany | 5 | |
| #3 | Austria | 4 | |
| #4 | Denmark | 3 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Surface technology and coating |
| # | Name | Total Patents |
|---|---|---|
| #1 | Spezialfabrik Fuer Aluminium-S | 7 |
| Publication | Filing date | Title |
|---|---|---|
| GB287503A | Process for producing insulating coverings on wires, bands, plates, or sheets of aluminium or aluminium alloys | |
| DE377213C | Electric induction furnace | |
| GB191109941A | Process for Securing Insulating Films or Coatings on Coils especially of Aluminium and its Alloys. |