| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | Austria | 2 | |
| #3 | Germany | 2 | |
| #4 | Belgium | 1 | |
| #5 | France | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Installation of electric cables | |
| #3 | Finishing work on buildings | |
| #4 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Otto Bregenzer | 3 |
| #2 | Bregenzer Otto | 2 |
| #3 | Bregenzer Co O | 1 |
| #4 | Bregenzer O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3724148A | Cable receiving floor conduit | |
| FR1388438A | Cable channel |