| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 | |
| #4 | Spain | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Machines | |
| #4 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Monin Charles | 12 |
| #2 | Charles Monin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191328411A | An Improved Rotary Motor. | |
| GB191327230A | Improvements in Rotary Pumps and Motors. | |
| US777740A | Variable-speed gear. | |
| GB190414638A | Improvements in Speed Transmission Gear. | |
| US762334A | Pulley of variable diameter. | |
| US771261A | Variable-speed-transmission gear. | |
| GB190325787A | Improvements in Variable Speed Transmission Gear |