| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 3 | |
| #2 | United States | 3 | |
| #3 | Denmark | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Spain | 1 | |
| #6 | France | 1 | |
| #7 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Consumer goods | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Sound-producing devices | |
| #3 | Non-positive-displacement pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roellig Martin | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US1206254A | Subsidiary plant for driving propeller-shafts when not under load. | |
| AT62133B | Ship machinery system. | |
| GB191021104A | Improvements in or relating to Sirens. | |
| US972926A | Marine propulsion by steam-turbines. | |
| US1036722A | Siren. |