| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 9 | |
| #2 | Switzerland | 5 | |
| #3 | Germany | 3 | |
| #4 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Packaging and shipping | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Railway systems | |
| #2 | Containers for goods storage | |
| #3 | Pipes | |
| #4 | Winches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wopfner Franz | 9 |
| #2 | Franz Wopfner | 3 |
| Publication | Filing date | Title |
|---|---|---|
| CH590147A5 | Ski chair drag etc. lift drive | |
| DE2512966A1 | Ski chair drag etc. lift drive - has drive pulley coupled to main shaft releasably coupled to hollow drive shaft | |
| CA748144A | Combined gear and belt drive for cable railways, tows, chair lifts and similar installations |