Jurgen Wittek

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Nordenham, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing biological water treatment contact material
- Patent number 5,160,395
- Issue date Nov 3, 1992
- Norddeutsche Seekabelwerk
- Hartwig Basse
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Contact material
- Patent number 5,104,716
- Issue date Apr 14, 1992
- Norddeutsche Seekabelwerke
- Hartwig Basse
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Equipment for biological water treatment, in particular for denitri...
- Patent number 5,073,256
- Issue date Dec 17, 1991
- Norddeutsche Seekabelwerke AG
- Rolf Sieksmeyer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Packing element
- Patent number 4,985,182
- Issue date Jan 15, 1991
- Norddeutsche Seekabelwerke Aktiengesellschaft
- Hartwig Basse
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Equipment for biological water treatment, in particular for denitri...
- Patent number 4,935,130
- Issue date Jun 19, 1990
- Norddeutsche Seekabelwerke AG
- Rolf Sieksmeyer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE