Patents/Inventors

Stefan Kellermann

MassbachDE3 patents

4 Patents

US122515052025
Dialysis Device for Performing a Dialysis Treatment
Fresenius Medical Care Deutschland GmbH
0 cites
US122095162025
Armored Poppet Valve and Method for the Production Thereof
FEDERAL-MOGUL VALVETRAIN GmbH
0 cites
US120645392024
Medical Device
Fresenius Medical Care Deutschland GmbH
0 cites
US120498362024
Valve Stem Seal Comprising a Valve Rotating Device
Federal-mogul Valvetrain GmbH
0 cites