| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | Australia | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 | |
| #5 | South Africa | 2 | |
| #6 | Canada | 1 | |
| #7 | Germany | 1 | |
| #8 | Italy | 1 | |
| #9 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Packaging and shipping | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Antennas | |
| #2 | Handling thin material | |
| #3 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Clark Derek James | 9 |
| #2 | Clark Reginald Edwin James | 6 |
| #3 | Clark Derek J | 2 |
| #4 | Clark Reginald E J | 1 |
| #5 | Derek James Clark | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9116079D0 | Accessory for use with a tractor/trailer coupling | |
| GB9012314D0 | Omni-directional antenna array | |
| GB8626607D0 | Aerial support device | |
| GB8431457D0 | Aerials | |
| GB1592339A | Television antenna systems | |
| GB1458006A | Antennae for receiving television signals | |
| GB1352519A | Box for dispensing wire | |
| GB1322771A | Clamps for example for aeriels |