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Manfred Kreft
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Wetter, DE
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last 30 patents
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Patent Grant
Device for heating or cooling bulk materials, particularly for lign...
Patent number
5,483,752
Issue date
Jan 16, 1996
Jost GmbH & Co., KG
Manfred Kreft
F26 - DRYING
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Patent Grant
Process and device for conditioning bulk material
Patent number
4,970,806
Issue date
Nov 20, 1990
Uhde GmbH
Harmut Hederer
F26 - DRYING
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Patent Grant
Method and apparatus for conditioning bulk material
Patent number
4,785,554
Issue date
Nov 22, 1988
Uhde GmbH
Hartmut Hederer
F26 - DRYING