| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 2 | |
| #4 | Germany | 2 | |
| #5 | United States | 2 | |
| #6 | Canada | 1 | |
| #7 | Hong Kong | 1 | |
| #8 | Mexico | 1 | |
| #9 | Malaysia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Degen Wilhelm | 16 |
| #2 | Degen Alexander | 16 |
| #3 | Alexander Degen | 1 |
| #4 | Vibroflotation B V | 1 |
| #5 | Degen Wilhelm Dr | 1 |
| #6 | Wilhelm Degen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| MY135384A | Device and method for producing columns of materials in the ground of bodies of water | |
| DE10218330A1 | Method and device for producing columns of material in the ground | |
| DE10053427A1 | Device and method for producing columns of material in the bottom of water | |
| EP0861944A1 | Device for making a column in the ground |