| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 2 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Sweden | 2 | |
| #5 | United States | 2 | |
| #6 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Clutches and brakes | |
| #3 | Unspecified technologies | |
| #4 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sinclair Harold | 6 |
| #2 | Harold Sinclair | 2 |
| #3 | Sinclair H | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3539045A | Device for synchronizing the engagement of a fluid coupling lock-up clutch | |
| GB1185077A | Forward and Reverse Drive Machinery | |
| GB1161762A | Improvements relating to Hydraulic Turbo Couplings |