DELAUNAY BELLEVILLE LOUIS MARI has a total of 14 patent applications. Its first patent ever was published in 1894. It filed its patents most often in Switzerland and France. Its main competitors in its focus markets mechanical elements are PAYNE BARRETT MORLEY M, LEACH ROBERT WILLIAM and NBS CO LTD.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 12 | |
| #2 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Delaunay-Belleville Louis-Mari | 6 |
| #2 | Marie Gabriel Delaunay-Bellevi | 6 |
| #3 | Louis-Marie-Gabriel Delaunay-Belleville | 2 |