Stefan Hother

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Dusseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and process for biological wastewater purification
- Patent number 6,620,323
- Issue date Sep 16, 2003
- Axel Johnson Engineering GmbH
- Stefan Hother
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and process for biological wastewater purification
- Publication number 20010017281
- Publication date Aug 30, 2001
- Stefan Hother
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL