Markku V. Honkajarvi

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Patents Grantslast 30 patents

Information Patent Grant
Double-spiral heat exchanger
- Patent number 4,785,878
- Issue date Nov 22, 1988
- Outokumpu Oy
- Markku V. Honkajarvi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Pipe spiral bundle for a heat exchanger
- Patent number 4,306,618
- Issue date Dec 22, 1981
- Outokumpu Oy
- Markku V. Honkajarvi
- F28 - HEAT EXCHANGE IN GENERAL