| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | United Kingdom | 2 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Chemical engineering | |
| #4 | Machines | |
| #5 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hadamovsky Paul | 3 |
| #2 | Paul Hadamovsky | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2194654A | Apparatus for liquefying gases | |
| US2186169A | Low temperature carbonizing retort | |
| GB488313A | Improvements in retorts for low temperature carbonisation, distilling acetate of lime, and the like | |
| GB265597A | A heating, melting, evaporating, or cooling vessel or the like |