| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | Canada | 5 | |
| #3 | France | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Chemical engineering | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Separation | |
| #3 | Alarm systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grace Charles Jeens | 13 |
| Publication | Filing date | Title |
|---|---|---|
| GB128627A | Improvements in Carburetters for Internal Combustion Engines. | |
| GB103450A | Improved Means for Carburetting Air and for Regulating the Supply of Fuel to Internal Combustion Engines. | |
| US1274709A | Carbureter. | |
| GB191515665A | Improved Means for Giving Warning of Fog. | |
| GB191511830A | Improved Means for Carburetting Air and for Regulating the Supply of Fuel to Internal Combustion Engines. | |
| GB191403212A | Improvements in Filter Presses. | |
| GB191014767A | Improved Method of Discharging Solid Matter from Filter Presses and Pressure Filters. | |
| CA345572A | Carbureter | |
| CA369301A | Carbureter | |
| CA237722A | Carbureter | |
| CA336524A | Carbureter | |
| CA215434A | Carbureter |