Erwin Hertl

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Judendorf, AT

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Patents Grantslast 30 patents

Information Patent Grant
Rotor blade and screen comprising a rotor blade
- Patent number 10,724,175
- Issue date Jul 28, 2020
- Andritz AG
- Alexander Gscheider
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for controlling operation of a flotation cell
- Patent number 7,296,682
- Issue date Nov 20, 2007
- Andritz AG
- Helmuth Gabl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for aerating dispersions
- Patent number 6,475,337
- Issue date Nov 5, 2002
- Andritz AG
- Helmuth Gabl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Rotor Blade and Screen Comprising a Rotor Blade
- Publication number 20190040578
- Publication date Feb 7, 2019
- Andritz AG
- Alexander Gscheider
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for pulping waste paper containing impurities
- Publication number 20060011314
- Publication date Jan 19, 2006
- Erwin Hertl
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Process for controlling operation of a flotation cell
- Publication number 20040200778
- Publication date Oct 14, 2004
- Helmuth Gabl
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Process and device for aerating dispersions
- Publication number 20010025693
- Publication date Oct 4, 2001
- Helmuth Gabl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL