HK

Helmut Knodler

ZA Zahnradfabrik Friedrichshafen Ag: 6 patents #17 of 267Top 7%
ZA Zf Friedrichshafen Ag: 4 patents #496 of 2,695Top 20%
📍 Lorch, DE: #6 of 75 inventorsTop 8%
Overall (All Time): #525,920 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6068077 Power steering gear intended in particular for motor vehicles Armin Lang, Wolfgang Abele, Stefan Fröhlich 2000-05-30
5950759 Servo-assisted steering system Armin Lang 1999-09-14
5860351 Hydraulic steering arrangement Armin Lang, Wilfried Leutner 1999-01-19
5509493 Control device for steering-rack equipped auxiliary power steering Armin Lang 1996-04-23
5040631 Rack and pinion auxiliary steering mechanism, especially for motor vehicles Armin Lang 1991-08-20
4699231 Rack and pinion auxiliary power steering Armin Lang 1987-10-13
4593718 Pressure agent control arrangement for auxiliary power steering mechanisms Armin Lang 1986-06-10
4590965 Pressure agent control arrangement for auxiliary power steering mechanisms Armin Lang 1986-05-27
4555975 Hydraulic steering Armin Lang 1985-12-03
4438679 Axial thrust compensating means for power steering control valve Armin Lang 1984-03-27