FP

Friedrich Pfeifer

VK Vacuumschmelze Gmbh & Co. Kg: 3 patents #40 of 171Top 25%
Overall (All Time): #1,681,485 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4441940 Method for producing toroidal tape cores for fault current safety switches and use of such cores Willi Kessler 1984-04-10
4314594 Reducing magnetic hysteresis losses in cores of thin tapes of soft magnetic amorphous metal alloys Wernfried Behnke 1982-02-09
4290827 Process for producing Ni-Fe magnetic tape cores Wernfried Behnke 1981-09-22