Heikki Hellemaa

Person

  • Abo, FI

Patents Grantslast 30 patents

  • Information Patent Grant

    Braking diesel engines

    • Patent number 4,393,832
    • Issue date Jul 19, 1983
    • Nordstjernan AB
    • Olof Samuel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compressed air starter

    • Patent number 4,324,212
    • Issue date Apr 13, 1982
    • Rederiaktiebolaget Nordstjernan
    • Olof Samuel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS