| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | United States | 2 | |
| #6 | Austria | 1 | |
| #7 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Rotary-pistons | |
| #3 | Controlling combustion engines | |
| #4 | Starting of combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Appingedammer Bronsmotorenfabr | 3 |
| #2 | Jan Brons | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB277565A | Improved rotary vane pump | |
| US1660913A | Rotary pump | |
| GB264523A | An improved device for the fuel-distribution in multi-cylinder internal combustion engines | |
| US1759776A | Multicylinder combustion motor | |
| DE502968C | Fuel distribution device for multi-cylinder internal combustion engines | |
| GB116073A | Improved Process and Apparatus for the Automatic Regulation of the Supply of Fuel in Multiple Cylinder Internal Combustion Engines. | |
| DE473245C | Rotary lobe pump |