| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Consumer goods | |
| #3 | Furniture and games | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Hand-held cutting tools | |
| #2 | Sound-producing devices | |
| #3 | Kitchen equipment | |
| #4 | Horticulture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Opinel Denis | 8 |
| #2 | Porret Denis | 4 |
| Publication | Filing date | Title |
|---|---|---|
| EP3067169A1 | Knife with hinged blade provided with an improved locking ferrule | |
| EP3047720A1 | Cutting tool with rotary blades such as shears | |
| FR3009941A1 | PERFECTIONED HAND TOOL | |
| FR2978369A1 | Knife having a medium sound transmitter by air passage |