| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | United Kingdom | 3 | |
| #3 | Austria | 2 | |
| #4 | Denmark | 2 | |
| #5 | Canada | 1 | |
| #6 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Cyclically operating valves | |
| #2 | Controlling combustion engines | |
| #3 | Steam turbines | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Matti Max Richard | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US1130833A | Arrangement for reversing internal-combustion engines. | |
| GB191319816A | Arrangement for Reversing of Internal Combustion Engines. | |
| US1084461A | Combustion-motor. | |
| US1101652A | Valve-regulator for oil-engines. | |
| GB191208080A | Improvements in or relating to Regulating Means for Internal Combustion Engines. | |
| CA137772A | Internal combustion engine | |
| US1074000A | Oil-engine. | |
| GB191021234A | Improvements in or relating to Internal Combustion Engines. |