| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 2 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leo Steinschneider | 1 |
| #2 | Steinschneider Leo | 1 |
| #3 | Porges Philipp | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB264476A | A process for the distillation of oils occurring in the petroleum, tar and similar industries more particularly for the production of lubricants | |
| GB252684A | Apparatus for separating liquid constituents from vapours or gases | |
| US1437566A | Distilling apparatus for liquids | |
| GB142376A | Distilling boiler, more especially for the distillation of heavy hydro-carbons of the petroleum, lignite tar and coal tar industry and the like | |
| US1091080A | Filter-plate. |