| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Civil engineering | |
| #3 | Chemical engineering | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Soaps | |
| #2 | Construction of roads | |
| #3 | Heat-exchanger without contact | |
| #4 | Mixing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grodnitzky Lasar Ing | 3 |
| #2 | Fischer Herbert Dr Ing | 3 |
| #3 | Grodnitzky Lasar | 1 |
| #4 | Plauson Hermann | 1 |
| #5 | Fischer Herbert | 1 |
| #6 | Hermann Plausen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB382846A | Improvements in and relating to the manufacture of soap compositions | |
| GB345051A | Opening and closing device for cooling presses for soap and the like | |
| GB308985A | Improvements in or relating to methods of treating soap | |
| CA316126A | Apparatus for applying coats of molten bitumen |