| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 8 | |
| #2 | Belgium | 1 | |
| #3 | Switzerland | 1 | |
| #4 | France | 1 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maurer Albrecht | 3 |
| #2 | Karig Erhardt | 3 |
| #3 | Gausmann Carl | 2 |
| #4 | Gesche Werner | 1 |
| #5 | Karig Ehrhardt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE902700C | Infinitely variable transmission | |
| GB709384A | An improved change speed gear comprising a tension means | |
| DE895232C | Infinitely variable transmission with opposing cone-pulley pairs and wedge-link chain running between them | |
| DE876786C | Infinitely variable transmission with two opposite pairs of conical pulleys and a V-link chain running between them | |
| DE906396C | Pulley change gearbox with transmission belt running between pairs of conical pulleys | |
| DE898106C | Pulley change gear |