| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 20 | |
| #2 | United Kingdom | 5 | |
| #3 | Austria | 2 | |
| #4 | Switzerland | 2 | |
| #5 | United States | 2 | |
| #6 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Civil engineering | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Electrical machinery and energy | |
| #6 | Audio-visual technology | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Bolts for doors or windows | |
| #2 | Measuring length, angles and areas | |
| #3 | Springs | |
| #4 | Measuring electric variables | |
| #5 | Unspecified technologies | |
| #6 | Electric switches | |
| #7 | Magnets and transformers | |
| #8 | Advertising | |
| #9 | Cycle accessories | |
| #10 | Measuring temperature |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nix Hans | 10 |
| #2 | Steingroever Erich Dr-Ing | 9 |
| #3 | Steingroever Dr-Ing Erich | 3 |
| #4 | Steingroever Erich | 3 |
| #5 | Hans Nix | 2 |
| #6 | Sen Hans Nix | 1 |
| #7 | Erich Steingroever Dr | 1 |
| #8 | Erich Steingroever Dr Ing | 1 |
| #9 | Rademaker Dr Jur Hans | 1 |
| #10 | Forsbach Walter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1623263A1 | Magnetic thickness gauge for parts made of ferromagnetic materials | |
| GB1126988A | Improvements in or relating to magnetic thickness gauges | |
| US3438097A | Braking arrangement | |
| GB970893A | Improvements in and relating to devices for determining magnetization curves | |
| GB964824A | Improvements in and relating to magnetic devices |