Hannu Kujala

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Hygienic stop valve
- Patent number 5,074,525
- Issue date Dec 24, 1991
- Koltek Oy
- Hannu Kujala
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Procedure and means for use in pumping and volumetry of foodstuff l...
- Patent number 4,704,140
- Issue date Nov 3, 1987
- Oy Hackman AB
- Hannu Kujala
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL