| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | United Kingdom | 3 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Civil engineering | |
| #3 | Engines, pumps and turbines | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Gas, coke and tar production | |
| #2 | Earth drilling | |
| #3 | Details of furnaces | |
| #4 | Fuels | |
| #5 | Supplying combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Arnold Irinyi | 1 |
| #2 | Zu Loewenstein Karl Prinz | 1 |
| #3 | Theodor Kayser | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB241886A | Improvements relating to devices for drilling or chiselling stone | |
| GB208019A | Improved apparatus for coking coal, lignite shale or other bituminous materials | |
| GB144712A | Apparatus for the low-temperature distillation of coal, shale or other bituminous substances |