Pieter Lodder

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Arnhem, NL

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for treating a contaminated slurry
- Patent number 5,858,203
- Issue date Jan 12, 1999
- N. V. Kema
- Iwan Johannes Wilhelmus Weultjes
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Apparatus for effecting chemical and/or physical reactions
- Patent number 5,453,254
- Issue date Sep 26, 1995
- N.V. Kema
- Jan B. Lefers
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process and apparatus for effecting chemical and/or physical reactions
- Patent number 5,158,754
- Issue date Oct 27, 1992
- N. V. Kema
- Jan B. Lefers
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL