Inventor

SEIFRIED MATTHIAS

DE6 patents

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

MAHLE INT GMBH

3 patents

US7987831B2Aug 2, 2011

Method for the production of a single part piston and a piston produced by such a method

MAHLE INT GMBH20 citations89

US9657683B2May 23, 2017

Piston with cooling gallery and closed collar chamber

MAHLE INT GMBH1 citations47

US10449621B2Oct 22, 2019

Magnetic arc welded piston assembly

MAHLE INT GMBH0 citations38

SCHARP RAINER

2 patents

US8631573B2Jan 21, 2014

Piston for an internal combustion engine and method for its production

SCHARP RAINER8 citations82

US8087395B2Jan 3, 2012

Multi-part piston for an internal combustion engine

SCHARP RAINER4 citations54

SEIFRIED MATTHIAS

1 patent

US8631572B2Jan 21, 2014

Method for the production of a piston for an internal combustion engine

SEIFRIED MATTHIAS6 citations58