| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 6 | |
| #2 | United States | 4 | |
| #3 | United Kingdom | 3 | |
| #4 | Spain | 2 | |
| #5 | Austria | 1 | |
| #6 | Denmark | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Cylinders for combustion engines | |
| #3 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Oechelhaeuser Wilhelm Von | 9 |
| #2 | Wilhelm Von Oechelhaeuser | 6 |
| #3 | Steinbecker Carl | 2 |
| #4 | Junkers Hugo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US874369A | Vertical gas-engine. | |
| US884291A | Pump. | |
| US844040A | Vertical gas-engine. | |
| GB190601575A | Improvements in Vertical Gas Engines. | |
| US651201A | Twin motor. | |
| GB189907702A | An Improved Double Piston Twin Motor. | |
| GB189624994A | Improvements in High Pressure Gas Engines. |