Inventor

KELLER MATHIAS

CH2 patents

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

NORGREN GMBH

1 patent

US7967599B2Jun 28, 2011

Ring shaped valve piston and its use in a blow moulding machine

NORGREN GMBH2 citations48

KELLER MATHIAS

1 patent

US8202080B2Jun 19, 2012

Stackable valve system

KELLER MATHIAS0 citations31