| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 12 | |
| #2 | Germany | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Thermal processes | |
| #3 | Control | |
| #4 | Materials and metallurgy | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Measuring light | |
| #3 | Heat-exchange device details | |
| #4 | Systems controlling non-electric variables | |
| #5 | Details of furnaces | |
| #6 | Casting metal | |
| #7 | Furnaces | |
| #8 | General building constructions | |
| #9 | Weighing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dumez Pierre | 9 |
| #2 | Jacque Leon | 5 |
| #3 | Houpeurt Jacques | 3 |
| #4 | Guiochon Georges | 3 |
| #5 | Roz Bernard | 2 |
| #6 | Blanche Dixmier Marie | 1 |
| #7 | Negrel Henri | 1 |
| #8 | Lecrivain Lucien | 1 |
| #9 | Gounot Louis | 1 |
| #10 | Dixmier Marie-Blanche | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1129256A | Improved chromatographic column |