| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | Sweden | 3 | |
| #3 | Germany | 2 | |
| #4 | Italy | 2 | |
| #5 | United States | 2 | |
| #6 | South Africa | 2 | |
| #7 | Brazil | 1 | |
| #8 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Electrical machinery and energy | |
| #4 | Measurement |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilke R | 11 |
| #2 | Korthaus H | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB1322925A | Electric motor driven adjusting devices | |
| DE2036238A1 | Polyamide structural member - as dummy plug fastening another part onto a hollow body without screw |