P

Inventor

KOLLOTZEK HELMUT

DE7 patents
⚠️ This page may combine multiple inventors who share the name “KOLLOTZEK HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KOLLOTZEK HELMUT

3 patents
US8122935B2Feb 28, 2012

Casting core for forming a cooling channel in a piston produced by casting

KOLLOTZEK HELMUT4 citations58
US8079403B2Dec 20, 2011

Casting core for forming a cooling channel

KOLLOTZEK HELMUT6 citations58
US8733315B2May 27, 2014

Casting core for forming a cooling channel in a piston

KOLLOTZEK HELMUT1 citations42

MAHLE GMBH

2 patents
US5746169AMay 5, 1998

Light-metal piston for highly stressed internal combustion engines

MAHLE GMBH28 citations91
US5653156AAug 5, 1997

Light metal piston for highly stresses internal combustion engines

MAHLE GMBH18 citations82

MAHLE INT GMBH

2 patents
US7921555B2Apr 12, 2011

Piston for an internal combustion engine and method for its production

MAHLE INT GMBH6 citations56
US7900551B2Mar 8, 2011

Piston for an internal combustion engine

MAHLE INT GMBH6 citations56