DES COMPTEURS A GAZ ET AUTRES APPAREILS has a total of 21 patent applications. Its first patent ever was published in 1902. It filed its patents most often in France. Its main competitors in its focus markets measurement, basic materials chemistry and thermal processes are ERIEL D'USINES A GAZ, ATKINSON LLEWELYN BIRCHALL and ELSTER JOHANNES.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 21 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Basic materials chemistry | |
| #3 | Thermal processes | |
| #4 | Audio-visual technology | |
| #5 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Measuring electric variables | |
| #2 | Measuring volume | |
| #3 | Gas, coke and tar production | |
| #4 | Cranes | |
| #5 | Feeding fuel to combustion device | |
| #6 | Display controls | |
| #7 | Ignition and extinguishing |