| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Germany | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Canada | 2 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Safety devices | |
| #3 | Mining |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hagedorn Thiemo | 14 |
| #2 | Lang Gerhard | 4 |
| #3 | Bergmann Ralph | 4 |
| #4 | Spod Joachim | 4 |
| #5 | Haag Josef | 4 |
| #6 | Tuerck Harald | 3 |
| #7 | Junior Volker | 2 |
| #8 | Junior Johannes | 2 |
| #9 | Volkerjunior | 1 |
| #10 | Hagedorn T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE10040777A1 | Process and machine for tunnel construction, formwork element and formwork system | |
| DE19914973A1 | Process for determination of the earlier forces acting on an area or mountain or earth prior to boring of a tunnel or similar | |
| DE19859821A1 | Shield assembly for boring tunnel | |
| CA2263299A1 | Tunnelling process and device |