| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Germany | 2 | |
| #3 | France | 1 | |
| #4 | United Kingdom | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Packaging and shipping | |
| #3 | Mechanical elements | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Making screws | |
| #2 | Household appliances | |
| #3 | Transport or storage devices | |
| #4 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Werkzeug-Und Maschinenfabrik E | 3 |
| #2 | Grob Burkhart Dipl Ing | 2 |
| #3 | Maschinenfabrik Firma Ernst Gr | 2 |
| #4 | Schulz Hermann | 1 |
| #5 | Schulz Hermann Dipl Ing | 1 |
| #6 | Marck Rudolf | 1 |
| #7 | Hermann Dipl-Ing | 1 |
| #8 | Ernst Gegenhuber | 1 |
| #9 | Schulz | 1 |
| #10 | Grob Burkhart | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1299271B | Thread rolling machine | |
| DE896036C | Control device for setting the working pressure and the working time in working machines, e.g. B. in thread rolling machines |