| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Unspecified technologies | |
| #3 | Cyclones | |
| #4 | Shaping of plastics | |
| #5 | Certain plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mergenthaler Helmut | 4 |
| #2 | Helmut Mergenthaler | 2 |
| #3 | Mergenthaler Dipl-Math | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2523172A1 | Wet gas scrubber with cylindrical housing partly filled with liq. - and coaxial cylindrical inner body | |
| DE2152389A1 | Cyclone dust extractor - for air purifying using recycling or second stage cyclone treatment of output bleed fraction | |
| DE1903985A1 | Device for wetting or resorption of additions moving in a gas stream | |
| DE1471625A1 | Venturi gas washer | |
| DE1471624A1 | Venturi gas washer | |
| DE665123C | Device for vulcanizing pneumatic tire plasters |