Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10309666 | Filter cartridge, roller, and air humidifier | Guido Wegner | 2019-06-04 |
| 8233783 | Apparatus for utilizing water | Guido Wegner | 2012-07-31 |
| 7654508 | Air humidifier | Guido Wegner | 2010-02-02 |
| 6318203 | Drive for rotating object such as a roller, shaft, plate or the like | Erich Harter | 2001-11-20 |
| 5894001 | Fragrance vaporizer, in particular for toilets | Erich Harter | 1999-04-13 |
| 4829781 | Appliance for purifying and/or humidifying and dehumidifying gases, especially air | — | 1989-05-16 |
| D291351 | Air cleaner | — | 1987-08-11 |