Rudolf Martinell

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late of Taby, SE

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Patents Grantslast 30 patents

Information Patent Grant
Device for creation of an oxidation and precipitation zone or a red...
- Patent number 6,174,107
- Issue date Jan 16, 2001
- Hydrophilia AB
- Rudolf Martinell
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method of purifying ground water
- Patent number 4,755,304
- Issue date Jul 5, 1988
- Four Seasons Venture Capital AB
- Rolf O. Hallberg
- G05 - CONTROLLING REGULATING
Information Patent Grant
Process for decreasing the nitrate content in water
- Patent number 4,683,064
- Issue date Jul 28, 1987
- Rolf O. Hallberg
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Procedure for separating and recovering marsh gas
- Patent number RE31347
- Issue date Aug 16, 1983
- VYR-Metoder, AB
- Veli E. Reijonen
- 048 - Gas: heating and illuminating