| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 11 | |
| #2 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Mechanical elements | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Measuring volume | |
| #2 | Pipes | |
| #3 | Installations for obtaining water | |
| #4 | Special measuring | |
| #5 | Domestic plumbing installations | |
| #6 | Venting or aerating devices | |
| #7 | Measuring temperature |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koerner Holger | 4 |
| #2 | Koerner Hans-Holger | 4 |
| #3 | Korner Holger | 1 |
| #4 | Kasten Heinz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3831882A1 | Water meter | |
| DE3815710A1 | Ball valve | |
| DE3800191A1 | Water meter | |
| DE3727912A1 | Measuring or counting device, in particular water meter or heat-quantity meter | |
| DE3718814A1 | Connection member for water meter | |
| EP0242692A1 | Liquid-flow meter | |
| DE3644100A1 | Sealing device | |
| DE3627393C1 | Connection part for joining a water meter to a T-shaped pipe connection | |
| DE3625379A1 | Pipe connection piece | |
| DE3613711A1 | Fluid meter | |
| DE3428344C1 | Method for checking the functionality of built-in, closed, electronic heat meters, and arrangement for carrying out the method | |
| DE3415366A1 | Water meter |