P

Inventor

ASADI HASSAN

DE12 patents
⚠️ This page may combine multiple inventors who share the name “ASADI HASSAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MANNESMANN SACHS AG

5 patents
US6540052B2Apr 1, 2003

Damping valve, in particular for a vibration damper

MANNESMANN SACHS AG25 citations89
US6634379B2Oct 21, 2003

Switching valve with flow direction-dependent cross-section

MANNESMANN SACHS AG18 citations82
US6336536B1Jan 8, 2002

Reversing valve with a passage which is dependent on the direction of flow

MANNESMANN SACHS AG19 citations82
US6018868AFeb 1, 2000

Method for manufacturing a piston

MANNESMANN SACHS AG11 citations72
US6719297B2Apr 13, 2004

Piston ring, in particular for a piston of a vibration damper

MANNESMANN SACHS AG4 citations60

ZF SACHS AG

3 patents
US7121552B2Oct 17, 2006

Piston ring

ZF SACHS AG2 citations62
US6840153B2Jan 11, 2005

Fire protection in a piston-cylinder unit

ZF SACHS AG5 citations60
US7182190B2Feb 27, 2007

Vibration damper with fire safety device

ZF SACHS AG3 citations59

MANNESMAN SACHS AG

2 patents
US6253661B1Jul 3, 2001

Piston rod guide for a piston-cylinder unit

MANNESMAN SACHS AG15 citations83
US6079440AJun 27, 2000

Reversing valve with a cross section which is dependent on the direction of flow

MANNESMAN SACHS AG14 citations71

ZAHNRADFABRIK FRIEDRICHSHAFEN

2 patents
US7694786B2Apr 13, 2010

Damping valve with a directionally-dependent cross section

ZAHNRADFABRIK FRIEDRICHSHAFEN14 citations79
US9951839B2Apr 24, 2018

Preloading device for a piston valve of a vibration damper

ZAHNRADFABRIK FRIEDRICHSHAFEN0 citations45