| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 16 | |
| #2 | United Kingdom | 3 | |
| #3 | Switzerland | 1 | |
| #4 | Spain | 1 | |
| #5 | Netherlands | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Thermal processes | |
| #5 | Control | |
| #6 | Environmental technology | |
| #7 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Odendahl Wilhelm | 17 |
| #2 | Wilhelm Odendahl | 1 |
| #3 | Werner Battenfeld | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3900623A1 | Centrifugal pump stage | |
| DE3744424A1 | Throttle valve | |
| DE3721378A1 | Multi-stage centrifugal pump | |
| DE3620672A1 | Dual-cycle nuclear reactor | |
| DE3618644A1 | Circulation valve | |
| DE3614408A1 | Valve seat ring | |
| DE3519916A1 | Circulation valve | |
| GB1142379A | Throttling device | |
| ES330668A1 | Procedure for the protection of centrifugal pumps. (Machine-translation by Google Translate, not legally binding) | |
| GB1138895A | Minimum amount control for centrifugal type boiler feed pumps | |
| GB981995A | Improvements in multi-stage reducing valves |