| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | China | 4 | |
| #4 | Brazil | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | New Zealand | 2 | |
| #7 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Environmental technology | |
| #5 | Surface technology and coating | |
| #6 | Textiles and paper | |
| #7 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schultink Jan | 30 |
| #2 | Sauer Ralf | 29 |
| Publication | Filing date | Title |
|---|---|---|
| EP2644077A1 | Method for optimising a device for vacuum cleaning with hand-held, compact or upright vacuum cleaning device and filter bag | |
| EP2644075A1 | Method for optimising a device for vacuum cleaning with hand-held, compact or upright vacuum cleaning device and filter bag | |
| WO2010139344A1 | Membrane module and the use thereof | |
| DE3016164A1 | Vacuum cleaner dust bag with lightweight retaining plate - has economically mass-produced sandwich material extruded into plates with flexible edges |