Jan Karlsson

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Gothenburg, SE

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Patents Grantslast 30 patents

Information Patent Grant
Improvements in wind turbine having a wing-profiled diffusor
- Patent number 4,684,316
- Issue date Aug 4, 1987
- KB Vindkraft i Goteborg
- Jan Karlsson
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Apparatus for increasing the flow speed of a medium and for recover...
- Patent number 4,320,304
- Issue date Mar 16, 1982
- New Environment Energy Development Aktiebolag (NEED)
- Jan Karlsson
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...