| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Spain | 4 | |
| #3 | Germany | 3 | |
| #4 | Denmark | 3 | |
| #5 | Austria | 2 | |
| #6 | Canada | 2 | |
| #7 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Swimming pools | |
| #3 | Scaffolding | |
| #4 | Unspecified technologies | |
| #5 | Nuclear reactors | |
| #6 | Reduction of greenhouse gas emissions | |
| #7 | Shaping clay |
| # | Name | Total Patents |
|---|---|---|
| #1 | Birkenmaier Max | 9 |
| #2 | Brandestini Antonio | 8 |
| #3 | Antonio Brandestini | 7 |
| #4 | Mirko Robin Ros | 7 |
| #5 | Max Birkenmaier | 7 |
| #6 | Ros Mirko Robin | 6 |
| #7 | Vogt Kurt | 3 |
| #8 | Ros Mirko R | 2 |
| #9 | Kurt Vogt | 1 |
| #10 | Birkenmaier Max Dipl-Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE1683786A1 | Facility for the serial production of prestressed components from a hardenable mass and process for their operation | |
| GB1181544A | A Method of Pre-Stressing Pressure Tanks, and Tanks made by the Method. | |
| CA843848A | Method of prestressing concrete pressure tanks | |
| CA646072A | Method of producing steel wire anchors and anchors obtained with such method |