| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 15 | |
| #2 | Austria | 1 | |
| #3 | Spain | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy | |
| #3 | Civil engineering | |
| #4 | Audio-visual technology | |
| #5 | Machine tools | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Belts or cables for driving | |
| #2 | Electrically-conductive connections | |
| #3 | Advertising | |
| #4 | Structural elements | |
| #5 | Installation of electric cables | |
| #6 | Foundations and excavations | |
| #7 | Making forged metal products | |
| #8 | Nails | |
| #9 | Punching metal | |
| #10 | Ropes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Robert Vontobel | 12 |
| #2 | Vontobel Robert | 5 |
| Publication | Filing date | Title |
|---|---|---|
| GB190606079A | A New or Improved Automatic Regulating Device for Pneumatically Controlled Collectors Supplying Electric Current to Trains or Road-cars. |