| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Australia | 3 | |
| #3 | Germany | 3 | |
| #4 | United States | 3 | |
| #5 | WIPO (World Intellectual Property Organization) | 3 | |
| #6 | Brazil | 1 | |
| #7 | Canada | 1 | |
| #8 | China | 1 | |
| #9 | Czechia | 1 | |
| #10 | Hungary | 1 | |
| #11 | Malaysia | 1 | |
| #12 | Poland | 1 | |
| #13 | Slovenia | 1 | |
| #14 | Taiwan | 1 | |
| #15 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Materials and metallurgy | |
| #4 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Building materials | |
| #2 | Working stone | |
| #3 | Finishing work on buildings | |
| #4 | Unspecified technologies | |
| #5 | Soldering, welding and flame cutting | |
| #6 | Shaping clay | |
| #7 | Construction of roads | |
| #8 | Fire-fighting | |
| #9 | Structural elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sievers Thomas | 26 |
| #2 | Fahrenkrog Herbert | 7 |
| #3 | Wiedemann Guenter | 6 |
| #4 | Wiedemann Gunter | 2 |
| #5 | Wiedemann Gunter Dr Ing | 2 |
| #6 | Wiedeman Gunter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1844819A1 | Room fire extinguisher column | |
| DE102005063209A1 | Constructional unit for use as floor covering, has bar with slot and side shanks with slots, where slots are meshed such that slots of shanks encompass bar outside of slot and slot of bar encompasses shanks outside of slots | |
| DE10261692A1 | Molded composite stone | |
| DE19843498A1 | Surface-treated mineral materials and processes for their manufacture |