| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 9 | |
| #2 | South Africa | 5 | |
| #3 | Australia | 2 | |
| #4 | Denmark | 2 | |
| #5 | Finland | 2 | |
| #6 | Norway | 2 | |
| #7 | New Zealand | 2 | |
| #8 | Belgium | 1 | |
| #9 | Canada | 1 | |
| #10 | Germany | 1 | |
| #11 | EPO (European Patent Office) | 1 | |
| #12 | Spain | 1 | |
| #13 | France | 1 | |
| #14 | Luxembourg | 1 | |
| #15 | Malta | 1 | |
| #16 | Malawi | 1 | |
| #17 | Netherlands | 1 | |
| #18 | Portugal | 1 | |
| #19 | Sweden | 1 | |
| #20 | Zimbabwe | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Domestic plumbing installations | |
| #3 | Roof coverings | |
| #4 | Sewers | |
| #5 | Finishing work on buildings | |
| #6 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Parker Robert William | 20 |
| #2 | Snoad Peter Stewart | 7 |
| #3 | Parker R W | 3 |
| #4 | Menzel S | 3 |
| #5 | Bokor Shaun David | 2 |
| #6 | Parker Robert W | 2 |
| #7 | Parker Gb Robert William | 1 |
| #8 | Fuller Stephen John | 1 |
| #9 | Snoad Peter S | 1 |
| #10 | Snoad Gb Peter Stewart | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8523547D0 | Spigot and socket assemblies for pipe couplings | |
| GB8521160D0 | Air admittance valves | |
| GB8519927D0 | Branch members for soil and waste systems | |
| GB8505097D0 | Manholes | |
| GB8500618D0 | Fixing brackets | |
| GB8422758D0 | Air admittance valves | |
| GB8323414D0 | Gutter assembly | |
| ZA7204264B | Pressure reducing valve and flow control device | |
| ZA7203818B | Improvements in and to slow feed irrigation devices | |
| ZA7201482B | Improvements in and relating to a dripper unit |