FZ

Friedrich Zapf

HG Hydraulik-Ring Gmbh: 3 patents #1 of 23Top 5%
Overall (2002): #29,867 of 266,432Top 15%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6397891 Hydraulic valve, in particular, adjustable pressure control valve Rolf Neuhaus, Bernd Urlaub, Liebhart Zaiser 2002-06-04
6390117 Directional seat valve 2002-05-21
6336470 Directional seat valve 2002-01-08