| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 11 | |
| #2 | Austria | 1 | |
| #3 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Consumer goods | |
| #3 | Machine tools | |
| #4 | Thermal processes | |
| #5 | Furniture and games | |
| #6 | Medical technology |
| # | Technology | |
|---|---|---|
| #1 | Teaching materials | |
| #2 | Representation of music | |
| #3 | Time tables | |
| #4 | Domestic washing | |
| #5 | Special musical instruments | |
| #6 | Domestic stoves | |
| #7 | Tools for connecting or disengaging | |
| #8 | Physical therapy devices | |
| #9 | Wood working |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ernest Burdet | 9 |
| #2 | Burdet Ernest | 5 |
| Publication | Filing date | Title |
|---|---|---|
| CH131840A | Device intended for the study of fingering and positions on stringed instruments such as violin, viola, cello, etc. | |
| CA745761A | Musical score, and means for reading this score, particularly designed for teaching a musical instrument |