| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | Austria | 2 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roxendorff Axel Fredrik Abraha | 11 |
| #2 | Abrahamson Roxendorff Axel Fredrik | 1 |
| #3 | Gallia Moriz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB190225959A | Improvements in Semi-rotary Pumps. | |
| GB189904506A | New or Improved Automatic Variable Driving Gear for Velocipedes. | |
| GB189706338A | Improvements in Driving Mechanisms with Variable Gear, adapted for Velocipedes and other Vehicles. | |
| GB189601060A | Improvements in Radiators or Heaters for Use with Petroleum or other Lamps or Stoves. |