Grontmij Advies & Techniek B.V.

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Patents Grantslast 30 patents

Information Patent Grant
Biological treatment of wastewater
- Patent number 6,183,642
- Issue date Feb 6, 2001
- Grontmij Advies & Techniek B.V.
- Joseph Johannes Heijnen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biological treatment of wastewater
- Patent number 5,863,435
- Issue date Jan 26, 1999
- Grontmij Advies & Techniek B.V.
- Joseph Johannes Heijnen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biological filter provided with a pelletized biologically active co...
- Patent number 5,578,114
- Issue date Nov 26, 1996
- Grontmij Advies & Techniek BV
- Hermanus H. F. Oude Luttighuis
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Process for the Biological Treatment of Ammonium-Rich Aqueous Media
- Publication number 20080210628
- Publication date Sep 4, 2008
- Grontmij Advies & Techniek B.V.
- Ingo Schmidt
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Trademarklast 30 trademarks