| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 12 | |
| #2 | Germany | 3 | |
| #3 | Switzerland | 2 | |
| #4 | France | 2 | |
| #5 | Denmark | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Electrical machinery and energy | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Special electric heating or lighting | |
| #3 | Plasma technique |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wist Engelbert Dr Ing | 6 |
| #2 | H Presslicht-Patent-Verwertung | 2 |
| #3 | Wist Dr-Ing Engelbert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB355153A | Improvements in electric arcs for welding and like purposes | |
| DE599588C | Method for generating an electric arc | |
| DE572704C | Method for generating a jet flame by means of an electric arc | |
| DE579682C | Device for generating an arc with the supply of a gaseous hydrocarbon compound, in particular for electric arc welding |