| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | France | 5 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Steam turbines | |
| #2 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roeder Karl | 5 |
| Publication | Filing date | Title |
|---|---|---|
| GB486340A | Improvements in or relating to steam turbines | |
| GB267166A | Improvements relating to steam or gas turbines | |
| GB157920A | Improvements in reversible turbines | |
| GB148813A | Improvements in or relating to turbines | |
| GB148404A | Control valve for elastic fluids | |
| GB148405A | Quick closure for steam and gas turbines | |
| GB148403A | Improved valve-operating mechanism for steam and gas turbines |