Erik Spangenberg

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Braedstrup, DK

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Patents Grantslast 30 patents

Information Patent Grant
Vibration table for concrete moulding machines
- Patent number 7,802,355
- Issue date Sep 28, 2010
- KVM Industrimaskiner A/S
- Erik Spangenberg
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Controlled moulding equipment
- Patent number 6,832,907
- Issue date Dec 21, 2004
- KVM Industrimaskiner A/S
- Erik Spangenberg
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Main frame for a concrete block molding apparatus
- Patent number 6,817,857
- Issue date Nov 16, 2004
- KVM Industrimaskiner A/S
- Erik Spangenberg
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Mould equipment for concrete casting and a method for making the mo...
- Publication number 20040245429
- Publication date Dec 9, 2004
- Jesper Bjrn Rasmussen
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Main frame for a concrete block moulding apparatus
- Publication number 20020098258
- Publication date Jul 25, 2002
- Erik Spangenberg
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Controlled moulding equipment
- Publication number 20020025357
- Publication date Feb 28, 2002
- Erik Spangenberg
- B28 - WORKING CEMENT, CLAY, OR STONE