Inventor

MAY EWALD

DE9 patents

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

GKN SINTER METALS GMBH

5 patents

US7310876B2Dec 25, 2007

Method for making a piston body

GKN SINTER METALS GMBH10 citations83

US6591948B2Jul 15, 2003

Piston with support webs for a piston-cylinder arrangement, in particular a shock absorber piston

GKN SINTER METALS GMBH15 citations82

US6481336B2Nov 19, 2002

Piston with pressure-dependent sealing effect for a piston-cylinder arrangement, in particular a shock absorber piston

GKN SINTER METALS GMBH14 citations82

US7178237B2Feb 20, 2007

Piston for a piston-cylinder arrangement, in particular a shock absorber piston

GKN SINTER METALS GMBH8 citations72

US6928923B2Aug 16, 2005

Piston with supporting connector elements for a piston-cylinder arrangement, in particular a shock absorber piston

GKN SINTER METALS GMBH7 citations72

RINGSDORFF WERKE GMBH

1 patent

US5259294ANov 9, 1993

Shock-absorbing piston made up of dissimilar joined parts, blank for the piston and method for manufacturing the piston

RINGSDORFF WERKE GMBH58 citations94

BILSTEIN AUGUST GMBH CO KG

1 patent

US4830152AMay 16, 1989

Shock absorber piston

BILSTEIN AUGUST GMBH CO KG32 citations85

KREBSOEGE SINTERHOLDING GMBH

1 patent

US6101713AAug 15, 2000

Method of calibrating a pre-formed recess

KREBSOEGE SINTERHOLDING GMBH15 citations68

KRUPP BILSTEIN GMBH

1 patent

US6450084B1Sep 17, 2002

Piston with piston ring

KRUPP BILSTEIN GMBH0 citations41