| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 2 | |
| #2 | United Kingdom | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Denmark | 1 | |
| #6 | Spain | 1 | |
| #7 | Finland | 1 | |
| #8 | Greece | 1 | |
| #9 | Ireland | 1 | |
| #10 | India | 1 | |
| #11 | Malta | 1 | |
| #12 | Mexico | 1 | |
| #13 | Norway | 1 | |
| #14 | New Zealand | 1 | |
| #15 | Portugal | 1 | |
| #16 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Scaffolding | |
| #2 | General building constructions | |
| #3 | Swimming pools | |
| #4 | Unspecified technologies | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ward Alec David | 14 |
| #2 | Alec Ward David | 1 |
| Publication | Filing date | Title |
|---|---|---|
| MTP978B | Screen | |
| NZ214968A | Screen retained between spaced apart rails | |
| GB8528127D0 | Chamber assemblies |