| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 6 | |
| #2 | France | 6 | |
| #3 | United Kingdom | 6 | |
| #4 | Italy | 6 | |
| #5 | United States | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Chemical engineering | |
| #4 | Thermal processes | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Mixing | |
| #5 | Heat-exchanger with contact | |
| #6 | Pistons and sealings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Richter Harvey Ernest | 4 |
| #2 | Hickey Jun William Edward | 2 |
| #3 | Richter H | 2 |
| #4 | Richter Harvey E | 2 |
| #5 | Hickey W | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1454797A | Homogenizing and separating method and apparatus | |
| US3804553A | Fluid machine rotor | |
| US3862747A | Additive diffusor | |
| US3935156A | Unit and method for spray cooling fluid | |
| US3810635A | Mechanical seal | |
| US3786996A | Axial flow unit |