| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 5 | |
| #2 | Germany | 4 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Construction of bridges | |
| #3 | General building constructions | |
| #4 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andrae Hans-Peter | 6 |
| #2 | Jung Karl H | 5 |
| #3 | Ernst Peter | 4 |
| #4 | Andrae Wolfhart | 4 |
| #5 | Andrae Hans-Peter Dr Ing | 3 |
| #6 | Andrae Hans Peter | 2 |
| #7 | Ernst Peter Dr Ing | 2 |
| #8 | Andra Hans-Peter | 2 |
| #9 | Jung Karl H Dipl Ing | 1 |
| #10 | Hagmann Hans K Dipl Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE19640962A1 | Rail support for railway track | |
| DE19604690A1 | Building kit | |
| WO9426996A1 | Reinforcing dowel for concrete slabs | |
| DE4412598A1 | Dowel bar for shear reinforcement | |
| DE4409707A1 | Reinforced concrete column | |
| EP0589967A1 | Rocker bearing for heavy loads |