| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Poland | 3 | |
| #2 | China | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Norway | 2 | |
| #5 | New Zealand | 2 | |
| #6 | United States | 2 | |
| #7 | Australia | 1 | |
| #8 | Brazil | 1 | |
| #9 | Canada | 1 | |
| #10 | Czechia | 1 | |
| #11 | Hungary | 1 | |
| #12 | Israel | 1 | |
| #13 | Mexico | 1 | |
| #14 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Furniture and games | |
| #3 | Surface technology and coating | |
| #4 | Textiles and paper | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Domestic washing | |
| #2 | Separation | |
| #3 | Layered products | |
| #4 | Making textile fabrics | |
| #5 | Unspecified technologies | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schultink Bas | 20 |
| #2 | Schultink Jan | 19 |
| Publication | Filing date | Title |
|---|---|---|
| NZ525778A | Vacuum cleaner bag and improved vacuum cleaner bag | |
| EP1258277A1 | Vacuum cleaner bag | |
| CA2331636A1 | Vacuum cleaner bag and improved vacuum cleaner bag | |
| US6183536B1 | Enhanced performance vacuum cleaner bag and method of operation |