| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | Switzerland | 5 | |
| #3 | Germany | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Electrical machinery and energy | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Metalworking with concentrated electric current | |
| #2 | Grinding or polishing devices | |
| #3 | Dynamo-electric machines | |
| #4 | Forging | |
| #5 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arkady Timofeewitsch Krawez | 2 |
| #2 | Abram Lasarewitsch Liwschiz | 2 |
| #3 | L Liwschitz Abram | 2 |
| #4 | Wsewolod Feodosjewitsch Kasanz | 1 |
| #5 | Ustjanzew Alexander | 1 |
| #6 | Lasar Dawidowitsch Rosenberg | 1 |
| #7 | Benin Wladimir L | 1 |
| #8 | Juri Ljwowitsch Tissenbaum | 1 |
| #9 | Wadim Ewgenjewitsch Polotski | 1 |
| #10 | Eduard Petrosowitsch Geworkjan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1525088A1 | Aerostatic support for machines and devices | |
| DE1488835A1 | AC motor development with poles that can be switched in any ratio | |
| DE1295332B | Method and device for finishing metals by means of unipolar pulses | |
| DE1440999A1 | Electro-erosion machine for the incorporation of groove profiles in roll gauges |