HH

Hans-Werner Holch

FG Filterwerk Mann & Hummel Gmbh: 4 patents #31 of 285Top 15%
Overall (All Time): #1,267,896 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6517710 Structural assembly with an oil filter for an internal combustion engine Roland Hartmann, Herbert Jainek 2003-02-11
6309436 Device for separating liquid particles from a gas stream 2001-10-30
6044829 Heating arrangement Thomas Butz, Heinz Mueller 2000-04-04
5090393 Pressure regulating valve for installation in a vent duct of an internal combustion engine 1992-02-25