| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Australia | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | Brazil | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Engines, pumps and turbines | |
| #3 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Trabold Hermann | 17 |
| #2 | Hermann Trabold | 1 |
| #3 | Neumann Richard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE10242850A1 | Filter packing used for filtering oils used in drive motors and hydraulic devices comprises porous material with additive | |
| DE10103345A1 | Filter pack for filtering liquid or gaseous media | |
| DE4213583A1 | Fuel preparation equipment esp. for diesel fuels - has preheater and magnetic system and continuous rust proof inner tube through which hot medium flows enclosed by larger dia. tube through which fuel flows | |
| DE4030304A1 | Filters for filtering gaseous and liquid media | |
| DE3842017A1 | OIL FILTERS FOR COMBUSTION ENGINES |