| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Producer gas production | |
| #2 | Purifying gas composition | |
| #3 | Cyclones |
| # | Name | Total Patents |
|---|---|---|
| #1 | Isendahl Dipl-Ing Herbert | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE714162C | Vehicle gas generated, the shaft jacket of which is surrounded by a water jacket with a small cross-section and a steam-air mixture superheater | |
| DE711186C | Vehicle gas generator, the shaft jacket of which is surrounded by a water jacket with a small cross section and a steam-air mixture superheater | |
| DE617573C | Packing of charcoal filling for gas generators |