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Dirk Kroger
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Lichtenau, DE
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Patents Grants
last 30 patents
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Patent Grant
High-strength motor-vehicle frame part with targeted crash
Patent number
8,202,376
Issue date
Jun 19, 2012
Benteler Automobiltechnik GmbH
Ludger Gehringhoff
C21 - METALLURGY OF IRON
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Patent Grant
Method of making a shaped sheet-metal part
Patent number
7,513,137
Issue date
Apr 7, 2009
Benteler Automobiltechnik GmbH
Dirk Kröger
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Patents Applications
last 30 patents
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Patent Application
High-strength motor-vehicle frame part with targeted crash
Publication number
20070107819
Publication date
May 17, 2007
Benteler Automobiltechnik GmbH
Ludger Gehringhoff
C21 - METALLURGY OF IRON
Information
Patent Application
Method of making a shaped sheet-metal part
Publication number
20070107203
Publication date
May 17, 2007
Benteler Automobiltechnik GmbH
Dirk Kroger
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...