| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Austria | 2 | |
| #4 | Finland | 2 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Dynamo-electric machines | |
| #2 | Portable lighting devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heinrich Praechter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB150739A | Improvements relating to field-magnets for magneto-electric machines | |
| GB149345A | Improvements in magneto-electric lamps | |
| GB149346A | Improvements in magneto-electric machines of small size |