| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 5 | |
| #3 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Pumps | |
| #2 | Cyclically operating valves | |
| #3 | Cylinders for combustion engines | |
| #4 | Internal-combustion piston engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stoutz Robert De | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB449670A | Improvements in and relating to piston pumps operated by cam tracks | |
| GB438194A | Improvements in and relating to spinning pumps | |
| GB401585A | Improvements in or relating to piston spinning pumps | |
| GB350382A | Improvements in and relating to piston pumps | |
| GB179940A | Improvements in or relating to apparatus for use in changing speed in motor cars, or the like |