| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 15 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Consumer goods | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Hand carried bags | |
| #3 | Filing and indexing | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Franzen Karl August | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3482421A | Number lock | |
| GB784044A | Improvements in or relating to loop handles | |
| GB434773A | Improvements in or relating to locks for trunks and the like | |
| GB381397A | Improvements in or relating to locks or catches for document wallets, portfolios, orthe like | |
| GB384271A | Improvements in or relating to handle fittings for chests, trunks, or the like |