| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Canada | 1 | |
| #3 | Czechoslovakia | 1 | |
| #4 | Germany | 1 | |
| #5 | Spain | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | Italy | 1 | |
| #9 | Japan | 1 | |
| #10 | Netherlands | 1 | |
| #11 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Control | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Clutches and brakes | |
| #4 | Air-conditioning | |
| #5 | Systems controlling non-electric variables | |
| #6 | Domestic heating systems | |
| #7 | Vehicle parts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knowles Reginald | 8 |
| #2 | Rejinarudo Noorusu | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8816231D0 | Vehicle gearbox selector lock | |
| US4128021A | Differential mechanism |