| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Thermal processes | |
| #3 | Materials and metallurgy | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Clutches and brakes | |
| #3 | Gearing | |
| #4 | Domestic stoves for solid fuels | |
| #5 | Wood saws | |
| #6 | Foundry moulding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wottle Hans | 2 |
| #2 | Hans Wottle | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB356549A | Improvements in or relating to clutches for the transmission of motion from a constantly rotating driving shaft to a belt pulley or like device | |
| GB270115A | Ball- or roller bearing and method of manufacturing the same | |
| GB179957A | Improvements in and relating to the manufacture of cast belt pulleys | |
| US1450880A | Split belt pulley | |
| GB200912A | Improvements in or relating to split belt pulleys |