Hans Muller

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Erlembach,, CH

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for combined cooling and aeration of biochemical-action v...
- Patent number 4,442,889
- Issue date Apr 17, 1984
- Hans Muller
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for combined cooling and aeration of biochemical-action v...
- Patent number 4,073,696
- Issue date Feb 14, 1978
- Hans Muller
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Arrangement for aerating of liquids
- Patent number 4,018,859
- Issue date Apr 19, 1977
- Hans Muller
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for aerobic cultivation of micro-organisms
- Patent number 3,986,934
- Issue date Oct 19, 1976
- Hans Muller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL