| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | Austria | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United States | 2 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | Germany | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 | |
| #10 | Italy | 1 | |
| #11 | Norway | 1 | |
| #12 | Sweden | 1 | |
| #13 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Water treatment | |
| #3 | Climate change mitigation in wastewater treatment | |
| #4 | Scaffolding | |
| #5 | Analysing materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bertschinger Hans | 9 |
| #2 | Schmid Walter A | 4 |
| #3 | Scherler Alfred | 4 |
| #4 | Schmid W | 3 |
| #5 | Bertschinger H | 2 |
| #6 | Walter A Dipl-Ing Schmid | 2 |
| #7 | Schmid Walter | 1 |
| #8 | Hans J Dipl-Ing Kaegi | 1 |
| #9 | Hans P Dipl-Ing Bertschinger | 1 |
| #10 | Bertschiner H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4557627A | Apparatus and method for tunnel construction with shield drive | |
| EP0003787A1 | Waste water aeration basin | |
| DE2857475C1 | Device and method for the expansion of a tunnel driven in the shield drive | |
| GB2057035A | Device and process for driving galleries with a shield | |
| CH585835A5 | Climbing formwork for making tall structures - has telescopically actuated skin for making singly or doubly curved surfaces |