| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | France | 2 | |
| #3 | Japan | 2 | |
| #4 | United States | 2 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Special musical instruments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Werschnik Alois | 7 |
| #2 | Aroisu Uerushinitsuku | 1 |
| #3 | Aroisu Uerushiyuniku | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3428742C1 | Clarinet with varying diameters or volumes of the various sections of the barrel | |
| DE2952329B1 | Clarinet with different diameters or volumes of the different sections of the long bore | |
| US4245543A | Clarinet with varying diameter of its longitudinal bore | |
| DE2333540A1 | Clarinet with improved tonal quality - diameter of bore changed in steps |