Assignee
GRAU GMBH
DE·9 granted patents·154 citations·filing 1990–1998
Top patents by PatentIndex Score
9 records- 0182US5678900AUnloader for a source of air under pressure on vehiclesGRAU GMBH·Filed 1995·Granted Oct 21, 1997·53 cites·19 claims
- 0269US5395164AOperating brake valve for an electrically and pneumatically actuated braking system in a motor vehicleGRAU GMBH·Filed 1993·Granted Mar 7, 1995·28 cites·14 claims
- 0366US6041808ACompressed air control device for a source of compressed air on motor vehiclesGRAU GMBH·Filed 1998·Granted Mar 28, 2000·26 cites·11 claims
- 0439US5871217ALevelling valve for automatically keeping constant the vehicle height of a commercial vehicle with air suspensionGRAU GMBH·Filed 1997·Granted Feb 16, 1999·13 cites·12 claims
- 0533US5203375ALeveling valveGRAU GMBH·Filed 1991·Granted Apr 20, 1993·9 cites·2 claims
- 0630US5730428ALeveling valve having a precision adjustment deviceGRAU GMBH·Filed 1996·Granted Mar 24, 1998·5 cites·12 claims
- 0728US5044399ASwitch valveGRAU GMBH·Filed 1990·Granted Sep 3, 1991·4 cites·8 claims
- 0827US5551734AConnection assembly for the connection of a pipe to a plastic housingGRAU GMBH·Filed 1995·Granted Sep 3, 1996·10 cites·11 claims
- 0916US5176404ALevel control valve for automatically keeping constant the vehicle height of a commercial vehicleGRAU GMBH·Filed 1991·Granted Jan 5, 1993·6 cites·9 claims
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