| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Canada | 2 | |
| #4 | Germany | 2 | |
| #5 | United States | 2 | |
| #6 | Australia | 1 | |
| #7 | Czechia | 1 | |
| #8 | Mexico | 1 | |
| #9 | Poland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Control | |
| #4 | Telecommunications |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Wing fittings | |
| #3 | Indexing scheme relating to hinges | |
| #4 | Alarm systems | |
| #5 | Transmission | |
| #6 | Circuits for supplying electric power | |
| #7 | Control or regulating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Friedrich Helmut | 16 |
| #2 | Meyer Paul | 14 |
| #3 | Beckers Alexander | 1 |
| #4 | Huellwegen Josef | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102009005521A1 | End profile | |
| EP1318260A2 | Multi-element protection and monitoring device | |
| DE10129183A1 | Safety contact mat | |
| EP1409825A2 | Safety contact strip | |
| EP0927918A2 | Device for surveillance of a unit moving along a predetermined course as well as modulation unit and evaluation unit for this device |