| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 8 | |
| #2 | Australia | 5 | |
| #3 | Sweden | 4 | |
| #4 | United States | 4 | |
| #5 | South Africa | 3 | |
| #6 | Brazil | 2 | |
| #7 | Germany | 2 | |
| #8 | Italy | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Civil engineering | |
| #3 | Electrical machinery and energy | |
| #4 | Measurement | |
| #5 | Environmental technology | |
| #6 | Control | |
| #7 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blum A | 13 |
| #2 | Blum Albert | 4 |
| #3 | Otto Genz | 1 |
| #4 | Wolfgang Kliemt | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2349884A | In einen behalter absenkbares pumpenaggregat | |
| GB1568388A | Pump with comminuating means at the inlet | |
| GB1347637A | Submersible electric motor-pump assemblages | |
| US3797970A | Alignment means for an immersible pump | |
| GB1314651A | Submersible electric motor-pump assemblages | |
| GB1313728A | Arrangements comprising guide means and submersible electric motor pump assemblages | |
| US3718136A | Regional lung measuring device |