| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | France | 4 | |
| #3 | Spain | 3 | |
| #4 | Brazil | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Italy | 1 | |
| #7 | Netherlands | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Chemical engineering | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Separation | |
| #3 | Pistons and sealings | |
| #4 | Rotary pistons | |
| #5 | Supplying combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chollet Albert | 1 |
| #2 | Chollet A | 1 |
| #3 | Etablissement Studia Technica | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1452852A | Flexible annular gaskets | |
| ES274768A1 | A compressor or pump of the rotary abutment type | |
| FR1324941A | Volumetric machine such as compressor or pump | |
| ES274418A1 | Rotating machine (Machine-translation by Google Translate, not legally binding) | |
| ES273960A1 | Volumetric rotary machine (Machine-translation by Google Translate, not legally binding) | |
| FR1303756A | Oil bath filter | |
| FR1303685A | Rotary machine | |
| FR1284328A | Volumetric rotary machine |