| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | India | 1 | |
| #10 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Burth Willi | 11 |
| Publication | Filing date | Title |
|---|---|---|
| ATA64279A | Method and device for circulating (enforcing) a continuous tape in a stock | |
| CA954104A | Supply and takeup system for film and the like | |
| GB1278025A | Unwinding and winding apparatus for film and the like band material | |
| US3661337A | Supply and takeup system for film and the like | |
| DE1237893B | Device for the simultaneous unwinding and winding up of a film tape, in particular a feature film |