| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | Germany | 5 | |
| #3 | United States | 5 | |
| #4 | United Kingdom | 4 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Materials and metallurgy | |
| #5 | Measurement | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Special electric heating or lighting | |
| #3 | Manufacturing processes | |
| #4 | Steam generation | |
| #5 | Fluid fuel combustion | |
| #6 | Fluid heaters | |
| #7 | Metal production and refining | |
| #8 | Treatment of glass | |
| #9 | Measuring temperature | |
| #10 | Hats |
| # | Name | Total Patents |
|---|---|---|
| #1 | George Henri | 10 |
| #2 | Henri George | 5 |
| #3 | Hebert Jean | 1 |
| #4 | Jean Hebert | 1 |
| #5 | Larigaldie Andre | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB627286A | Process for producing rare earth metals | |
| US2268115A | Heating method and means | |
| GB520112A | Improvements in high-temperature radiating furnaces | |
| US1878392A | Glass working furnace | |
| GB234834A | Process and apparatus for increasing the ultra-violet radiation from mercury vapour lamps made of quartz | |
| US1361710A | Quartz mercury-vapor lamp | |
| US1398545A | Mercury-lamp | |
| US1334850A | Electrical conductor |