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Ulf Polzin

HG Hydraulik-Ring Gmbh: 3 patents #22 of 83Top 30%
📍 Leinfelden, DE: #63 of 230 inventorsTop 30%
Overall (All Time): #1,257,833 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7047931 Control device for at least one consumer, such as a camshaft adjuster, automatic transmission and the like, of motor vehicles Gerold Sluka, Andreas Knecht, Michael Jubelt, Roland Meyer 2006-05-23
7013920 Valve, especially proportional solenoid valve Andreas Knecht 2006-03-21
6928971 Camshaft adjusting device for internal combustion engines of motor vehicles Andreas Knecht 2005-08-16
6203529 Needle arrangement Jochen Gabriel 2001-03-20