| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Switzerland | 2 | |
| #4 | Germany | 2 | |
| #5 | German Democratic Republic | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games | |
| #3 | Telecommunications | |
| #4 | Control | |
| #5 | Basic materials chemistry | |
| #6 | Thermal processes | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Devices for public amusement | |
| #3 | Fluid heaters | |
| #4 | Guiding railway traffic | |
| #5 | Working-up pitch | |
| #6 | Transmission | |
| #7 | Traffic control systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koch Georg | 13 |
| #2 | Georg Koch | 2 |
| #3 | Molthan Helge | 1 |
| #4 | Dietze Maik | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP2405065A1 | Insulating connection element for bearing compressive loads | |
| DD237210A1 | Sectional scale | |
| US1098041A | Speed-reducing and stopping mechanism. | |
| US880672A | Fire-tube boiler. | |
| GB189730821A | An Improvement in Knitted or Woven Goods having a Curled, Woolly, Ribbed, Folded, or otherwise Rough or Irregular Surface. |