| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 6 | |
| #2 | Norway | 5 | |
| #3 | United States | 5 | |
| #4 | Germany | 3 | |
| #5 | Japan | 3 | |
| #6 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Machine tools | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Earth drilling | |
| #3 | Unspecified technologies | |
| #4 | Cranes | |
| #5 | Mining | |
| #6 | Dry-docking of vessels | |
| #7 | Shafts | |
| #8 | Sawing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kuehn Hans | 12 |
| #2 | Kuhn Hans | 4 |
| #3 | Hansu Kiyuun | 3 |
| #4 | Ruesen Jochen | 2 |
| #5 | Carle Udo Ing Grad | 1 |
| #6 | Gierke Heinrich R | 1 |
| #7 | Kuehn Hans Ing Grad | 1 |
| #8 | Kappelmann Hans Georg Dipl Ing | 1 |
| #9 | Vural Guelertan Dipl Ing | 1 |
| #10 | Baumann Lothar Dipl Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0312619A1 | Cutting device to cut tubular construction elements | |
| EP0301114A1 | Process for driving pile sections under water | |
| EP0301116A1 | Submergible electrohydraulic drive unit for hammering and servicing devices in under water operation | |
| EP0301113A1 | Device for cutting tubular foundation piles under water | |
| DE3634905A1 | SUBMERSIBLE RAMM DEVICE | |
| DE3546277A1 | COMPENSATOR DEVICE | |
| DE3246077A1 | Machine for mining and tunnelling |