| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Engines, pumps and turbines | |
| #5 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Venting or aerating devices | |
| #2 | Unspecified technologies | |
| #3 | Nuclear reactors | |
| #4 | Pistons and sealings | |
| #5 | Reduction of greenhouse gas emissions | |
| #6 | Cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leno Eugen | 3 |
| #2 | Trentmann Andreas | 3 |
| #3 | Adams Martin | 2 |
| #4 | Marbach Johannes | 2 |
| #5 | Beerwald Moritz | 1 |
| #6 | Beerwald Charlotte | 1 |
| #7 | Henselek Artur | 1 |
| #8 | Obieglo Andy | 1 |
| #9 | Fehringer Hans-Juergen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102017115977A1 | Shut-off | |
| DE102016103323A1 | Valve with opening support | |
| DE102015118699A1 | Valve with maintenance opening | |
| EP2447579A2 | Self-actuated non-return flap | |
| DE102010049664B3 | Fast opening valve | |
| DE102008046663A1 | Flap valve, especially for use in corrosive aqueous media | |
| DE19540410A1 | Metallic seal for shut-off valves | |
| DE19522474A1 | Flat valve seal for pipeline carrying liquid at high temperature |