| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 2 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | Australia | 1 | |
| #6 | Czechia | 1 | |
| #7 | German Democratic Republic | 1 | |
| #8 | Germany | 1 | |
| #9 | Hungary | 1 | |
| #10 | Mexico | 1 | |
| #11 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Platform constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hagen Peter | 13 |
| #2 | Rexeisen Yvonne | 3 |
| #3 | Hoehn Peter | 1 |
| #4 | Barfuss Ulrich | 1 |
| #5 | Constantin Hartwig | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE10316616A1 | Blind, windbreak or anti-glare shield for protecting against outside areas such as fences, balconies or gates | |
| ATA18482000A | Device for covering shafts | |
| CA2327298A1 | Device for arranging shaft covers | |
| ATA210898A | Device for mounting manhole covers | |
| DD299404A7 | Method for adjusting and final checking of thermoelais |