Rolf Ahlstrom

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Gavle, SE

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Patents Grantslast 30 patents

Information Patent Grant
System for treating faeces
- Patent number 8,673,145
- Issue date Mar 18, 2014
- Rolf Ahlstrom
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Device and method for the treatment of contaminated media
- Patent number 6,712,980
- Issue date Mar 30, 2004
- Gefle Virvelteknik AB
- Rolf Ahlström
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR TREATING FAECES
- Publication number 20110067466
- Publication date Mar 24, 2011
- Rolf Ahlstrom
- C05 - FERTILISERS MANUFACTURE THEREOF