| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | Canada | 3 | |
| #3 | Switzerland | 3 | |
| #4 | France | 3 | |
| #5 | United Kingdom | 3 | |
| #6 | Belgium | 2 | |
| #7 | Germany | 1 | |
| #8 | Denmark | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Bolts for doors or windows | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jacobus Maria Kok Cornelis | 2 |
| #2 | Kok Cornelis J M | 2 |
| #3 | Kok Cornelis Jacobus Maria | 2 |
| #4 | Hazes Johannes Hendricus | 1 |
| #5 | Hendricus Hazes Johannes | 1 |
| #6 | Johannes Hendricus Hazes | 1 |
| #7 | Hazes Johannes H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR1348266A | Lock with twist lock that can be operated with handles | |
| US3188127A | Door lock | |
| FR1276358A | Locks development | |
| FR1276357A | Lock | |
| GB967301A | A latch mechanism | |
| GB958514A | A latch mechanism | |
| CA715772A | Lock comprising a rotatable lock bolt adapted to be actuated by handles | |
| CA690594A | Lock | |
| CA719840A | Lock |