| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Canada | 2 | |
| #4 | Switzerland | 2 | |
| #5 | Denmark | 2 | |
| #6 | Austria | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Incandescent mantles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Laigle Rene | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA129732A | Filament manufacture | |
| GB190917771A | Improvements in the Manufacture of Filaments suitable for the Mantles of Incandescent Gas Lamps. | |
| GB190828435A | Improvements in Incandescent Gas Filaments. | |
| GB190809622A | Improvements in Filaments for Incandescent Gas Mantles. | |
| CA129731A | Filament for incandescent mantles | |
| US966927A | Filament for incandescent-gas-lamp mantles. |