| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 4 | |
| #2 | Austria | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Canada | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Internal-combustion piston engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rietti Giacomo | 8 |
| Publication | Filing date | Title |
|---|---|---|
| ES110881A1 | Process for the preparation of resistance hollow bodies for aeronautical constructions and the like. | |
| ES109815A1 | Hollow frames for light constructions formed of rolled or superposed sheets of variable profile and thickness. | |
| US1095675A | Combustion-engine. | |
| GB190701588A | An Improved Internal Combustion Engine. | |
| CA303134A | Method of manufacturing hollow bodies |