Karl S. H. Hultgren

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S-560 41 Mullsjo, SE

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Patents Grantslast 30 patents

Information Patent Grant
Arrangement in combustion chambers for burning solid fuel
- Patent number 4,516,562
- Issue date May 14, 1985
- Karl S. H. Hultgren
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Thin sheet metal heat exchanger
- Patent number 4,407,357
- Issue date Oct 4, 1983
- Karl S. H. Hultgren
- F28 - HEAT EXCHANGE IN GENERAL