Issued Patents All Time
Showing 26–50 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9913563 | Retaining plate | Ralf Sauer | 2018-03-13 |
| 9877627 | Ecologically efficient vacuuming device | Ralf Sauer | 2018-01-30 |
| 9836203 | Grid-based visual design environment | — | 2017-12-05 |
| 9554681 | Vacuum-cleaning apparatus with vacuum-cleaner unit and filter bag | Ralf Sauer | 2017-01-31 |
| 9402520 | Vacuum cleaning apparatus having a vacuum cleaning unit and a filter bag | Ralf Sauer | 2016-08-02 |
| 9232879 | Retaining plate for a vacuum cleaner filter bag | Ralf Sauer | 2016-01-12 |
| 8979961 | Vacuum cleaner filter bag | Ralf Sauer | 2015-03-17 |
| 8974566 | Vacuum cleaner filter bag having a side fold | Ralf Sauer | 2015-03-10 |
| 8852306 | Vacuum cleaner filter bag | Ralf Sauer | 2014-10-07 |
| 8784525 | Vacuum cleaner filter bag | Ralf Sauer | 2014-07-22 |
| 8758465 | Block-base bag for vacuum cleaners | Ralf Sauer | 2014-06-24 |
| 8702827 | Flat bag for vacuum cleaners | Ralf Sauer | 2014-04-22 |
| 8702828 | Flat bag for vacuum cleaners | Ralf Sauer | 2014-04-22 |
| 8479356 | Vacuum cleaner filter bag comprising a sealing device | Ralf Sauer | 2013-07-09 |
| 8449639 | Vacuum cleaner filter bag | Ralf Sauer | 2013-05-28 |
| 8382871 | Vacuum cleaner filter bag and use of said bag | Ralf Sauer | 2013-02-26 |
| 8372174 | Vacuum filter cleaner bag | Ralf Sauer | 2013-02-12 |
| 8157879 | Vacuum cleaner filter bag with deflection device | Ralf Sauer | 2012-04-17 |
| 8152879 | Filter bag for a vacuum cleaner and also use thereof | Ralf Sauer | 2012-04-10 |
| 8097054 | Dust filter bag | Ralf Sauer | 2012-01-17 |
| 8092562 | Holding plate for a vacuum cleaner filter bag | Ralf Sauer | 2012-01-10 |
| 8080076 | Nonwoven layer for a filter and filter medium | Ralf Sauer | 2011-12-20 |
| 8070858 | Filter bag for a vacuum cleaner and use thereof | Ralf Sauer | 2011-12-06 |
| 8066803 | Vacuum cleaner filter bag | Ralf Sauer | 2011-11-29 |
| 8052769 | Filter bag and method for the production thereof | Ralf Sauer | 2011-11-08 |