| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 3 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | Canada | 1 | |
| #5 | Denmark | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Closing and opening bottles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hansen Gustav Adolf | 6 |
| #2 | Gustav Adolf Hansen | 2 |
| #3 | Krag Nils Aall | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES102101A1 | Improvements in the matador machines or unusable mail seals. | |
| GB191516761A | Improvements in or relating to Can Openers. | |
| US1215019A | Opener for hermetic cans or the like. | |
| CA94364A | Post marking machine |