| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 21 | |
| #2 | Germany | 8 | |
| #3 | Austria | 3 | |
| #4 | Canada | 1 | |
| #5 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Making gears or toothed racks | |
| #2 | Grinding or polishing devices | |
| #3 | Shafts | |
| #4 | Mechanically-driven clocks | |
| #5 | Testing of structures | |
| #6 | Accessories for machine tools | |
| #7 | Pipes | |
| #8 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Albert Aeppli | 19 |
| #2 | Aeppli Albert | 15 |
| #3 | Grob Hans | 2 |
| #4 | Hans Grob | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA533240A | Roller bearings |