| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | EPO (European Patent Office) | 5 | |
| #3 | United Kingdom | 5 | |
| #4 | Canada | 2 | |
| #5 | China | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Textiles and paper | |
| #5 | Furniture and games | |
| #6 | Environmental technology | |
| #7 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Producing goods from plastic | |
| #3 | Production of goods from wood | |
| #4 | Making textile fabrics | |
| #5 | Presses | |
| #6 | Unspecified technologies | |
| #7 | Domestic washing | |
| #8 | Garbage disposal | |
| #9 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brentnall Nicholas | 19 |
| Publication | Filing date | Title |
|---|---|---|
| WO2012038682A1 | Filter pad and method of manufacture | |
| CN103492043A | Filter and method of manufacture | |
| GB0908689D0 | Disposal bag for use with a bagless vacuum cleaner | |
| GB0907015D0 | Filter with compressible housing | |
| GB0904769D0 | Filter and method of manufacture | |
| GB0904768D0 | Filter pad and method of manufacture | |
| GB0904770D0 | Filter and method of manufacture |