FD

Friedhelm Doll

AE Amj Equipment: 1 patents #2 of 2Top 100%
📍 Wermelskirchen, DE: #32 of 183 inventorsTop 20%
Overall (All Time): #887,995 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5808208 Inductive flow meter 1998-09-15
5641914 Inductive flow meter 1997-06-24
5400660 Inductive flow meter 1995-03-28
5018391 Inductive flow meter 1991-05-28
4733191 Circuit for changing a periodic intelligence signal into a direct-current signal 1988-03-22
4554828 Measuring device for the magneto-inductive measuring of the flow rate of a liquid medium 1985-11-26