| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 82 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Basic materials chemistry | |
| #3 | Chemical engineering | |
| #4 | Computer technology | |
| #5 | Materials and metallurgy | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fery Charles | 1 |
ERIEL D'USINES A GAZ has a total of 82 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 chemical engineering are DES COMPTEURS A GAZ ET AUTRES APPAREILS, ATKINSON LLEWELYN BIRCHALL and ITRON FRANCE.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 82 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Basic materials chemistry | |
| #3 | Chemical engineering | |
| #4 | Computer technology | |
| #5 | Materials and metallurgy | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fery Charles | 1 |