Inventor

RANKI ERKKI

FI3 patents

⚠️ This page may combine multiple inventors who share the name “RANKI ERKKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KVAERNER MASA YARDS OY

2 patents

US5403216AApr 4, 1995

Ship propulsion arrangement

KVAERNER MASA YARDS OY87 citations91

US5996520ADec 7, 1999

Icebreaking method and icebreaker

KVAERNER MASA YARDS OY28 citations83

RANKI ERKKI

1 patent

US9352806B2May 31, 2016

Watercraft with improved characteristics for travel in ice

RANKI ERKKI0 citations32