Inventor
LAMMERS RALF
DE11 patents
⚠️ This page may combine multiple inventors who share the name “LAMMERS RALF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOPPE STEFFEN
3 patentsUS8273469B2Sep 25, 2012
Piston ring
HOPPE STEFFEN11 citations82
US8201831B2Jun 19, 2012
Sliding element, in particular piston ring, method for manufacturing a sliding element, sliding system and coating for a sliding element
HOPPE STEFFEN5 citations57
US9447490B2Sep 20, 2016
Piston ring
HOPPE STEFFEN1 citations50