| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 16 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Transport | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Burners | |
| #2 | Supplying combustion engines | |
| #3 | Roof coverings | |
| #4 | Venting or aerating devices | |
| #5 | Vehicle air-treating devices | |
| #6 | Ignition and extinguishing |
| Publication | Filing date | Title |
|---|---|---|
| DE422481C | Turbine blower for atomization and delivery of carburetor mixtures | |
| DE441960C | Injection carburetor |