| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | Germany | 3 | |
| #4 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Magnets and transformers | |
| #2 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berry Frederick Edmund | 4 |
| #2 | Edmund Berry Frederick | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB229484A | Improvements in or relating to electric transformers | |
| GB168965A | Improvements in or relating to reactance or choke coils | |
| GB162794A | Improvements in or relating to electrical transformer arrangements | |
| GB162394A | Improvements in or relating to electric transformer arrangements |