| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | Austria | 2 | |
| #4 | United States | 2 | |
| #5 | Germany | 1 | |
| #6 | Italy | 1 | |
| #7 | Romania | 1 | |
| #8 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Rotary pistons | |
| #3 | Gearing | |
| #4 | Servomotors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wisniewski W | 4 |
| #2 | Piotrowski J | 4 |
| #3 | Wladyslaw Wisniewski | 3 |
| #4 | Szeler Z | 2 |
| #5 | Ing Zbigniew Szeler | 2 |
| #6 | Ing Wladyslaw Wisniewski | 2 |
| #7 | Szeler Zbigniew | 2 |
| #8 | Jan Piotrowski | 2 |
| #9 | Ing Jan Piotrowski | 2 |
| #10 | Zbigniew S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1418284A | Planetary gear | |
| GB1375921A | Hydraulically operated plate freezers | |
| US3824045A | Variable-capacity sliding-vane pump | |
| US3728050A | Geared engine |