| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 8 | |
| #2 | Germany | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Spain | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Vehicle drive control systems | |
| #4 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schofield Norman | 4 |
| #2 | Want Denis V J | 1 |
| #3 | Davis Robert Henry | 1 |
| #4 | Gibbens Richard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0099082A1 | Hydrodynamic torque transmitter | |
| GB8304732D0 | Hydrodynamic torque transmitter | |
| GB1592489A | Torque convertors | |
| GB1582237A | Powershift transmission | |
| GB1539197A | Transmissions | |
| GB1485085A | Hydrokinetic fluid torque transmission | |
| GB1474025A | Clutch system | |
| GB1490346A | Hydrokinetic fluid torque transmission |