| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 22 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Materials and metallurgy | |
| #3 | Machines | |
| #4 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Treatment of glass | |
| #2 | Electric discharge tubes | |
| #3 | Electric incandescent lamps | |
| #4 | Unspecified technologies | |
| #5 | X-ray technique |
| Publication | Filing date | Title |
|---|---|---|
| GB359766A | Improvements in electric incandescent lamps | |
| DE382464C | Method for fastening the electrodes in vacuum tubes, in particular X-ray tubes | |
| AT85095B | Process for removing metal cores from tungsten wire and similar spirals. | |
| GB191127388A | Improvements in and relating to Incandescent Electric Lamps. | |
| DE373667C | Lighting device for X-ray systems |