PITRE LEON DUNAN has a total of 18 patent applications. Its first patent ever was published in 1905. It filed its patents most often in France and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and transport are JOHN HOWARD JOHNSTON, THOMAS & CIE A and FRANK LIOUD.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 17 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Environmental technology | |
| #5 | Control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dunan Pitre-Leon | 17 |
| #2 | Pitre Leon Dunan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191506672A | Improvements in or relating to Carburetters. |