| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | Belgium | 2 | |
| #3 | Canada | 2 | |
| #4 | Switzerland | 2 | |
| #5 | Germany | 2 | |
| #6 | Spain | 2 | |
| #7 | Greece | 2 | |
| #8 | Italy | 2 | |
| #9 | Netherlands | 2 | |
| #10 | United States | 2 | |
| #11 | Ireland | 1 | |
| #12 | Luxembourg | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Domestic stoves for solid fuels |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boidron Michel | 8 |
| #2 | Michel Boidron | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2619893A1 | Hot air generating apparatus for use in any environment, even fuel | |
| FR2556079A1 | Hot air generator conductive using molded cast iron modules without core | |
| IE790714L | Prefabricated metal throat for chimney | |
| CA1120360A | Hot air generator for installation in an open hearth chimney, and prefabricated elements for said generator | |
| DE2912711A1 | PREFABRICATED METALLIC SMOKE CATCH FOR FIREPLACES |