Diederik Cornelis Egbert Hoorens Van Heijningen

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Patents Grantslast 30 patents

Information Patent Grant
Steel drum and method for manufacturing such a steel drum
- Patent number 9,145,229
- Issue date Sep 29, 2015
- Greif International Holding B.V.
- Diederik Cornelis Egbert Hoorens Van Heijningen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Steel Drum And Method For Manufacturing Such A Steel Drum
- Publication number 20140291336
- Publication date Oct 2, 2014
- Diederik Cornelis Egbert Hoorens Van Heijningen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...