| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Austria | 1 | |
| #4 | Canada | 1 | |
| #5 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Unspecified technologies | |
| #3 | General building constructions | |
| #4 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ericsson Gustaf Lambert | 7 |
| #2 | Gustaf Lambert Ericsson | 4 |
| #3 | Larsson Lars Erik | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES101318A1 | An artifice to open tin cans and their analogs. | |
| CA312698A | Opening device for sheet-metal cans and boxes |