| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 41 | |
| #2 | Austria | 11 | |
| #3 | Switzerland | 7 | |
| #4 | United Kingdom | 5 | |
| #5 | Belgium | 1 | |
| #6 | France | 1 | |
| #7 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Packaging and shipping | |
| #4 | Control | |
| #5 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Pistons and sealings | |
| #3 | Transferring liquids | |
| #4 | Steam turbines | |
| #5 | Gearing | |
| #6 | Systems controlling non-electric variables | |
| #7 | Venting or aerating devices | |
| #8 | Dynamo-electric machines | |
| #9 | Pipe-line systems | |
| #10 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bungartz Paul | 41 |
| #2 | Paul Bungartz | 8 |
| Publication | Filing date | Title |
|---|---|---|
| GB1248873A | Improvements in or relating to centrifugal pumps | |
| GB1261795A | Improvements in or relating to centrifugal pumps | |
| GB881400A | Improvements in centrifugal pumps | |
| GB800549A | Improvements in centrifugal pumps | |
| GB782533A | Improvements relating to rotary pumps |