| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 14 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Consumer goods | |
| #3 | Environmental technology | |
| #4 | Civil engineering | |
| #5 | Engines, pumps and turbines | |
| #6 | Mechanical elements | |
| #7 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gerber Dipl-Ing Oskar | 5 |
| #2 | Gerber Oskar Dipl-Ing | 3 |
| #3 | Gerber Oskar Dipl Ing | 2 |
| #4 | Dreyer Wolfgang | 1 |
| #5 | Gerber Oskar | 1 |
| #6 | Goehlich Ekkehard Dipl Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3230535A1 | Silencer for a gas flow | |
| DE2709962A1 | Noise suppressing gas or air duct - uses cylindrical baffles with specified relationship between dia. and spacing | |
| GB1381546A | Sound-damping hangar for running-up aircraft |