| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 26 | |
| #2 | United Kingdom | 3 | |
| #3 | Netherlands | 2 | |
| #4 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Medical technology | |
| #3 | Optics | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | X-ray technique | |
| #3 | Diagnosis and surgery | |
| #4 | Magnets and transformers | |
| #5 | Object sterilising | |
| #6 | Electrotherapy | |
| #7 | Cameras | |
| #8 | X-ray microscopes | |
| #9 | Photosensitive materials |
| Publication | Filing date | Title |
|---|---|---|
| GB364568A | Electric discharge tubes | |
| GB314369A | Apparatus for generating rontgen rays | |
| GB313512A | Electro medical apparatus |