| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Germany | 4 | |
| #3 | France | 4 | |
| #4 | Switzerland | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Thermal processes | |
| #3 | Measurement | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Producer gas production | |
| #2 | Burners | |
| #3 | Feeding fuel to combustion device | |
| #4 | Measuring electric variables | |
| #5 | Fuels | |
| #6 | Turning | |
| #7 | Electromechanical clocks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Perdrisat Charles | 4 |
| #2 | Charles Perdrisat | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB415651A | Improved burner for liquid fuels | |
| US2027699A | Burner for liquid fuels | |
| GB269907A | Improved oil-burning apparatus for heating furnaces, ovens or the like | |
| GB249125A | Improvements in apparatus for producing a combustible gas | |
| GB157701A | Improvements in apparatus for carburetting lighting and heating gas | |
| GB153045A | Improvements in apparatus for carburetting, lighting and heating gas |