| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 | |
| #4 | Egypt | 1 | |
| #5 | France | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Sweden | 1 | |
| #10 | United States | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Rotary pistons | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Parker Alfred | 4 |
| #2 | Parker A | 2 |
| Publication | Filing date | Title |
|---|---|---|
| NL7414405A | Swash plate pump or engine - has housing with non rotating swash plate on bearings on member of rotary shaft partitions and seal | |
| ZA7405565B | Improvements in or relating to swashplate machines |