| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 34 | |
| #2 | United Kingdom | 2 | |
| #3 | Spain | 1 | |
| #4 | France | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Basic materials chemistry | |
| #3 | Engines, pumps and turbines | |
| #4 | Control | |
| #5 | Packaging and shipping | |
| #6 | Mechanical elements | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Producer gas production | |
| #3 | Feeding fuel to combustion device | |
| #4 | Packaging | |
| #5 | Kitchen equipment | |
| #6 | Coin-freed | |
| #7 | Fluid fuel combustion | |
| #8 | Gearing | |
| #9 | Siphons | |
| #10 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Perdrisat Charles | 25 |
| #2 | Charles Perdrisat | 13 |
| #3 | Rasario Louis | 1 |
| #4 | Louis Rasario | 1 |
| #5 | Israel Gradom | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB190328401A | Improvements in and relating to Electric Arc Lamps | |
| US690179A | Automatic delivery apparatus. | |
| GB190003264A | Improvements in, and relating to, the Armatures of Electric Motors, specially applicable for use in Meters for Electric Currents. |