| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | France | 3 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Transport | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Clutches and brakes | |
| #2 | Nails | |
| #3 | Time-interval measuring | |
| #4 | Household appliances | |
| #5 | Vehicle brake control systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schroeder Hans Juergen | 1 |
| #2 | Walther Ulrich | 1 |
| #3 | Bielecke Dr-Ing Friedrich Wilh | 1 |
| #4 | Motsch Alfons | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1908635A1 | Brake caliper on disc brakes | |
| DE1902011A1 | Anti-lock regulator | |
| DE1808802A1 | Disk spring clutch, especially for motor vehicles | |
| GB1144413A | Friction disc clutch |