| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Thermal processes | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Non-metallic elements | |
| #2 | Special electric heating or lighting | |
| #3 | Details of furnaces | |
| #4 | Furnaces |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hartenstein Herman Lewis | 15 |
| #2 | Herman Lewis Hartenstein | 8 |
| Publication | Filing date | Title |
|---|---|---|
| AU977707B | Method of manufacturing carbid | |
| AU977607B | Improvements inthe manufacture of calcium carbid | |
| AU977107B | Method inthe manufacture of calcium carbid | |
| AU977407B | Electric furnaces | |
| AU598406B | Superheating compounds | |
| AU598606B | Carbid and method of producing thesame | |
| AU599006B | Electric furnaces | |
| AU598506B | Manufacture of carbid |