| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 8 | |
| #2 | Switzerland | 6 | |
| #3 | Austria | 5 | |
| #4 | Spain | 4 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cyclically operating valves | |
| #2 | Venting or aerating devices | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Caprotti Arturo | 14 |
| #2 | Arturo Caprotti | 5 |
| Publication | Filing date | Title |
|---|---|---|
| ES139631A1 | Distribution by valves with oscillating control. | |
| ES125584A1 | Improvements in valve distributions for compressed fluid motors. | |
| ES117161A1 | Precision distribution by displacement and independent rotating displacement eccentric valves and independent for biased motors. | |
| CA286758A | Preheater for automatic feeding | |
| CA330838A | Poppet value gear | |
| CA243704A | Compensating device for elastic fluid engines while driving | |
| CA227688A | Valve gear for reversing steam engines | |
| CA325082A | Poppet valve gear | |
| CA348941A | Engine valve | |
| CA365410A | Variable valve lift | |
| CA285614A | Poppet valve |