| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 7 | |
| #2 | Canada | 2 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Agriculture | |
| #4 | Computer technology | |
| #5 | Machines | |
| #6 | Transport | |
| #7 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dupont Joseph | 4 |
| Publication | Filing date | Title |
|---|---|---|
| FR2468858A1 | Solar energy trap having dark metal channels lined with polyamide hose - to simply combine good heat transfer with wide temperature tolerance | |
| FR2278535A1 | Automatically controlled car light flashing system - is inertia operated in case of accident and disconnects vehicle main battery | |
| FR2241841A1 | Audio controlled type writer - directly translates speech input into written form using quartz oscillator | |
| FR2278497A1 | Keyboard operated printing machine - has keys electrically controlling masks for characters shone on photocopying paper | |
| US754645A | Pneumatic tire. | |
| CA86332A | Pneumatic tire | |
| GB190318271A | A Caster for Furniture | |
| CA349675A | Spreader |