| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Monaco | 3 | |
| #3 | Austria | 2 | |
| #4 | Canada | 2 | |
| #5 | Germany | 2 | |
| #6 | France | 2 | |
| #7 | United Kingdom | 2 | |
| #8 | Denmark | 1 | |
| #9 | Spain | 1 | |
| #10 | Greece | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Electrical machinery and energy | |
| #3 | Chemical engineering | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Non-portable lighting devices | |
| #2 | Marine propulsion | |
| #3 | Aeroplanes | |
| #4 | Vehicle servicing | |
| #5 | General building constructions | |
| #6 | Separation | |
| #7 | Load transportation vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Levy Felix | 13 |
| #2 | Felix Levy | 4 |
| #3 | David Levy Felix | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2665918A1 | Translucent balcony | |
| GB1163549A | Propellers for Marine Vessels, Land Vehicles and Aircraft | |
| ES298993A1 | Improvements introduced in the manufacture of auto headlights (Machine-translation by Google Translate, not legally binding) | |
| CA857646A | Propulseur hydraulique a reactions composees | |
| CA747246A | Anti-dazzle headlights |