Hertl; Erwin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hertl; Erwin.The latest application filed is for "rotor blade and screen comprising a rotor blade".
- Hertl; Erwin - Judendorf AT
| Patent | Date |
|---|---|
| Rotor blade and screen comprising a rotor blade Grant 10,724,175 - Gscheider , et al. | 2020-07-28 |
| Rotor Blade and Screen Comprising a Rotor Blade App 20190040578 - Gscheider; Alexander ; et al. | 2019-02-07 |
| Process for controlling operation of a flotation cell Grant 7,296,682 - Gabl , et al. November 20, 2 | 2007-11-20 |
| Process for pulping waste paper containing impurities App 20060011314 - Hertl; Erwin ; et al. | 2006-01-19 |
| Process for controlling operation of a flotation cell App 20040200778 - Gabl, Helmuth ; et al. | 2004-10-14 |
| Process and device for aerating dispersions App 20010025693 - Gabl, Helmuth ; et al. | 2001-10-04 |
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