| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 8 | |
| #2 | United Kingdom | 2 | |
| #3 | Belgium | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Basic materials chemistry | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Pipes | |
| #3 | Liquid hydrocarbon mixture production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heibig Edouard | 1 |
| #2 | Edouard Heibig | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB329235A | Improvements in and relating to dialysing filter presses | |
| US1778596A | Concentrating and homogenizing apparatus | |
| GB318794A | Improvements in and relating to filter presses |