| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | South Africa | 3 | |
| #3 | Australia | 2 | |
| #4 | Brazil | 2 | |
| #5 | Denmark | 2 | |
| #6 | India | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Control | |
| #4 | Engines, pumps and turbines | |
| #5 | Transport | |
| #6 | Weapons |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Alarm systems | |
| #5 | Marine propulsion | |
| #6 | Non-positive-displacement pumps | |
| #7 | Targets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Davidson R | 9 |
| #2 | Bridge R | 2 |
| #3 | Davidson Robert | 2 |
| #4 | Reisch D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8522797D0 | Tow bar | |
| BR8005839A | Mechanical transmission | |
| GB2061450A | Swash Plate Planetary Gear | |
| ZA7804639B | Gear teeth | |
| ZA7308845B | Speed and/or direction change means | |
| US3844559A | Impact-righting gun target |