Michael Zumbragel

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Aarbergen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Biogas reactor for the anaerobic treatment of waste water
- Patent number 5,500,118
- Issue date Mar 19, 1996
- Passavant-Werke AG
- Hubert Coenen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Device for odor filtering of exhaust air from waste water treatment
- Patent number 5,431,808
- Issue date Jul 11, 1995
- Passavant-Werke AG
- Michael Zumbragel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Module for a reactor for anaerobic waste water treatment
- Patent number 5,338,445
- Issue date Aug 16, 1994
- Passavant-Werke AG
- Michael Zumbragel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE