| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | Austria | 7 | |
| #3 | Canada | 2 | |
| #4 | United Kingdom | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Automatic musical instruments | |
| #2 | Stringed musical instruments | |
| #3 | Representation of music |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hennig Gustav Karl | 2 |
| #2 | Boerner Gustav Rudolf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191321536A | Improvements in Pneumatically Played Stringed Instruments. | |
| US1139478A | Automatic throttling mechanism. | |
| CA250570A | Wind-chest for pneumatically operated musical instruments | |
| CA250569A | Wind-chest for pneumatically operated musical instruments |