RW

Roland Wiederhold

FG Filterwerk Mann & Hummel Gmbh: 3 patents #51 of 285Top 20%
📍 Steinheim an der Murr, DE: #9 of 32 inventorsTop 30%
Overall (All Time): #1,620,174 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6224758 Filter assembly Herbert Jainek, Jaroslav Pavlin 2001-05-01
6177003 Filter with safety element for filtering engine oil Herbert Jainek 2001-01-23
5888384 Liquid filter Rainer Mueller, Leipelt Rudolf 1999-03-30