| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | Belgium | 2 | |
| #3 | Switzerland | 1 | |
| #4 | Denmark | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | France | 1 | |
| #7 | Japan | 1 | |
| #8 | Norway | 1 | |
| #9 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machine tools | |
| #3 | Furniture and games | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Milling | |
| #3 | Office furniture | |
| #4 | General building constructions | |
| #5 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bergmann Erwin | 9 |
| #2 | Eruuin Berukuman | 1 |
| #3 | Erwin Bergmann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0215937A1 | Hollow profile material for the construction of support mounts and frames. | |
| DE2840586A1 | CLAMP FOR CONNECTING TWO PROFILE BARS TO CONNECT PROFILES | |
| DE2755917A1 | Thermally gapped door or window metal profile bar - has parts braced by rotating wedge accessible from outside clamping piece |