Jyrki Leppanen

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method and equipment for prevention of cooling of electrochemical d...
- Patent number 5,789,092
- Issue date Aug 4, 1998
- Neste Oy
- David John Spiers
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrolysis apparatus for producing hydrogen
- Patent number 5,665,211
- Issue date Sep 9, 1997
- Neste Oy
- Jyrki Leppanen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR