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Klaus-Dieter Ruhland

MG Mann+Hummel Gmbh: 56 patents #2 of 832Top 1%
📍 Meckenheim, DE: #1 of 118 inventorsTop 1%
Overall (All Time): #42,600 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
8287612 Filter element and filter system Eric Gillenberg, Friedrich Kupfer, Oliver Steins 2012-10-16
8216332 Filter with a filter housing Edvard Kopec 2012-07-10
8152876 Filter element having V-seal Eric Gillenberg, Oliver Steins 2012-04-10
8147576 Filter element having serrated seal Eric Gillenberg, Oliver Steins 2012-04-03
8142533 Filter element and filter system Eric Gillenberg, Friedrich Kupfer, Oliver Steins 2012-03-27
7658777 Filter element and filter system for the intake air of an internal combustion engine Edvard Kopec, Oliver Steins, Ralf Poh 2010-02-09
7442221 Filter element Edvard Kopec 2008-10-28