| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 73 | |
| #2 | EPO (European Patent Office) | 16 | |
| #3 | WIPO (World Intellectual Property Organization) | 11 | |
| #4 | Australia | 7 | |
| #5 | China | 6 | |
| #6 | United States | 5 | |
| #7 | Canada | 2 | |
| #8 | Ireland | 2 | |
| #9 | Brazil | 1 | |
| #10 | Spain | 1 | |
| #11 | Hong Kong | 1 | |
| #12 | India | 1 | |
| #13 | Mexico | 1 | |
| #14 | Malaysia | 1 | |
| #15 | Portugal | 1 | |
| #16 | Russian Federation | 1 | |
| #17 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Measurement | |
| #5 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dudley Martin | 26 |
| #2 | Dudley Thomas Ivor | 16 |
| #3 | Boyes Simon | 12 |
| #4 | Menear Robert | 12 |
| #5 | Rowntree Daniel | 11 |
| #6 | Holmes Robert Andrew | 8 |
| #7 | Martin Dudley | 8 |
| #8 | Dudley Harold John Thomas | 6 |
| #9 | Andrew Holmes | 4 |
| #10 | Simon Boyes | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB202103362D0 | Inlet valve | |
| GB202020406D0 | Cutter | |
| GB202016315D0 | Cistern assembly | |
| GB202000548D0 | Cistern assembly | |
| GB201919445D0 | Syphon | |
| GB201913361D0 | Inlet valve assembly | |
| GB201912722D0 | Toilet cisterns | |
| GB201912029D0 | Straps | |
| GB201909821D0 | Inlet valve assembly | |
| GB201905163D0 | Inlet valve assembly | |
| GB201904942D0 | Access cover | |
| GB201904944D0 | Boring device | |
| GB201719358D0 | Access Assemblies | |
| GB201719359D0 | Access assemblies | |
| GB201717937D0 | Float lever | |
| GB201611452D0 | Syphon | |
| GB201602014D0 | Cistern flushing apparatus and control circuit therefor | |
| EP3191653A1 | Valve assembly | |
| GB201507886D0 | Syphon for a toilet cistern | |
| GB201420865D0 | Boring device |