| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Italy | 3 | |
| #3 | France | 2 | |
| #4 | South Africa | 2 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Transport or storage devices | |
| #3 | Foundations and excavations | |
| #4 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kogler Peter | 8 |
| #2 | Weissmayr Gunter | 4 |
| #3 | Koslowski Guenther | 3 |
| #4 | Kluesener Josef | 2 |
| #5 | Mueller Alfred | 2 |
| #6 | Unbehaun Ulrich | 2 |
| #7 | Heitkamp Herbert | 2 |
| #8 | Linde Klaus | 2 |
| #9 | Konig Reinhard | 2 |
| #10 | Gradenegger Helmut | 2 |
| Publication | Filing date | Title |
|---|---|---|
| DE19601423A1 | Method of soil exchange for railways | |
| DE19532690A1 | Track bed clearing appliance for railway tracks | |
| DE19529235A1 | Device for producing a spoil tip in surface mining and its use | |
| US5575537A | Tunnel drilling machine or tube-driving machine | |
| DE4439865A1 | Conveyor device for a shield tunneling machine |