| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Austria | 3 | |
| #3 | Sweden | 3 | |
| #4 | Belgium | 2 | |
| #5 | Switzerland | 2 | |
| #6 | Netherlands | 2 | |
| #7 | Norway | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Thermal processes | |
| #3 | Environmental technology | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Locomotives | |
| #2 | Air-conditioning | |
| #3 | Climate change mitigation in transportation | |
| #4 | Railway bodies | |
| #5 | Doors and windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kneuttinger Alfons | 4 |
| #2 | Manfred Gerlach | 3 |
| #3 | Alfons Kneuttinger | 3 |
| #4 | Junge H H | 2 |
| #5 | Gerlach Manfred | 2 |
| #6 | Kneuttinger A | 2 |
| #7 | Dieter Schuette | 2 |
| #8 | Junge Hans Hartmut | 1 |
| #9 | Kneuttinger A M E | 1 |
| #10 | Gerlach M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2428447A1 | Railway vehicles ventilation grille - ends of parallel blades are held by elastic strips in a two part frame | |
| DE2415581A1 | Ventilating grille for railway vehicle engine - has ends of two rows of strips fitted into retaining strips | |
| DE2401826A1 | Grid for electric locomotive motor compartment - vertical blades fit in blocks trapped between frame members | |
| DE2140369A1 | VENTILATION GRID FOR VEHICLES, IN PARTICULAR DRIVE MACHINES FOR RAIL VEHICLES |