| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Optics | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Centrifuges | |
| #4 | Non-positive-displacement pumps | |
| #5 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hunt Wilfred | 5 |
| #2 | Wilfred Hunt | 2 |
| #3 | Taylor William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB211030A | Centrifugal decanting or clarifying apparatus for liquids | |
| US1822776A | Rotary mechanism for the transmission of power at varying speeds | |
| GB191543A | Rotary mechanism for the transmission of power at varying speeds |