| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Australia | 2 | |
| #4 | Philippines | 2 | |
| #5 | United States | 2 | |
| #6 | Brazil | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Dredging | |
| #2 | Nails | |
| #3 | Gearing | |
| #4 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lehnhoff Peter-Alexander | 8 |
| #2 | Huber Johannes | 4 |
| #3 | Lehnhoff Peter Alexander | 1 |
| #4 | Johannes Huber | 1 |
| #5 | Lehnhoff Peter | 1 |
| #6 | Peter-Alexander Lehnhoff | 1 |
| #7 | Schubert Benjamin | 1 |
| #8 | Di Stefano Salvatore | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102019125861A1 | Quick coupler | |
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| DE102017122889A1 | Quick coupler | |
| DE102017111649A1 | Quick coupler | |
| DE102004014824A1 | Quick-change device with a hydraulic coupling for the media on a construction equipment |