Inventor
SIEBEL ARMIN
DE8 patents
Patents
8 patentsUS12463228B2Nov 4, 2025
Method for a frost start of a fuel cell device, fuel cell device and motor vehicle having a fuel cell device
AUDI AG0 citations58
US12451507B2Oct 21, 2025
Fuel cell stack, fuel cell device and motor vehicle with fuel cell device
AUDI AG0 citations58
US12394805B2Aug 19, 2025
Bipolar plate and fuel cell stack
AUDI AG0 citations58
US12463232B2Nov 4, 2025
Single cell and fuel cell stack with elastic structures for equal distribution of operating media
AUDI AG0 citations57
US12451496B2Oct 21, 2025
Bipolar plate and fuel cell stack
AUDI AG0 citations56
US12412907B2Sep 9, 2025
Bipolar plate and fuel cell stack
AUDI AG0 citations47
US12592399B2Mar 31, 2026
Bipolar plate having inclined inflow duct portions for a fuel cell stack, fuel cell system and motor vehicle
AUDI AG0 citations46
US12469856B2Nov 11, 2025
Bipolar plate having duct divisions present in the active region, and a fuel cell stack
AUDI AG0 citations46