| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United States | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Brazil | 1 | |
| #7 | Denmark | 1 | |
| #8 | Finland | 1 | |
| #9 | Hungary | 1 | |
| #10 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Climate change mitigation in buildings | |
| #2 | Domestic heating systems | |
| #3 | Cyclically operating valves | |
| #4 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zebuhr William H | 15 |
| Publication | Filing date | Title |
|---|---|---|
| AU2949289A | Improved fluid-driven pump | |
| US4867654A | Fluid-driven pump | |
| HUH3395A | Apparatus for tempering high-pressure liquid heat delivering or heat extracting systems of closed system | |
| US4658760A | Pressure transfer fluid heater |