| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | Czechia | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Poland | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Australia | 1 | |
| #7 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Sewers | |
| #2 | Foundations and excavations | |
| #3 | Platform constructions | |
| #4 | Construction of roads | |
| #5 | Swimming pools | |
| #6 | Measuring distances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Broermann Gerald | 8 |
| #2 | Broermann Rita | 4 |
| #3 | Broermann Geb Muckermann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102014106651A1 | Dirt catcher for a sewer inlet | |
| WO03002825A1 | Drainage channel base, especially from polymer concrete | |
| PL359004A1 | Gutter element | |
| DE19526985A1 | Fitting for fixing a gutter cover on a drainage gutter | |
| DE19517233A1 | Marking device for attaching measuring points | |
| DE4007296A1 | Drainage channel, the longitudinal edges of which have edge protection profiles |