| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 16 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Spain | 2 | |
| #4 | Italy | 2 | |
| #5 | Belgium | 1 | |
| #6 | Canada | 1 | |
| #7 | Switzerland | 1 | |
| #8 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lucas Marcel | 5 |
| #2 | Fredon Pierre | 4 |
| #3 | Lucas Marcel Edouard Jean-Yves | 3 |
| #4 | Fredon Pierre Robert Paul | 2 |
| #5 | Lucas Marcel Edouard Jean Yves | 2 |
| #6 | Fredon Pierre A G | 1 |
| #7 | Edouard Jean-Yves | 1 |
| #8 | Fredon Pierre Andre Gasten | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2824353A1 | Padlocks comprising a half-barrel of european type | |
| FR2824352A1 | Padlocks comprising a half-barrel of european type | |
| FR2772062A1 | Normalized barrel safety lock | |
| FR2739892A1 | Security device for a door incorporating a bracket | |
| FR2716484A1 | Anti-intrusion device with delator for security lock. | |
| FR2639394A1 | Protective device for a cylinder lock mechanism | |
| GB1581306A | Multi-bolt lock |