| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 3 | |
| #2 | United States | 3 | |
| #3 | Germany | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Australia | 1 | |
| #6 | Spain | 1 | |
| #7 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Siphons | |
| #2 | Unspecified technologies | |
| #3 | Special machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Greenberg Dan | 9 |
| #2 | Dan Greenberg | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2782348A1 | Compressed air operated vacuum pump of the ejector type | |
| GB9224008D0 | Multi ejector vacuum pump | |
| US4696625A | Ejector and method of fabrication | |
| US4565499A | Ejector | |
| US4554956A | Ejector device and method for producing same |