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David Hansen
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St. Paul, MN, US
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last 30 patents
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Patent Grant
Filling machine having a compartmentalized clean air system enclosi...
Patent number
5,865,010
Issue date
Feb 2, 1999
Tetra Laval Holdings & Finance SA
Paul C. Sundby
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Filling machine having a microfiltrated clean air supply system
Patent number
5,858,040
Issue date
Jan 12, 1999
Tetra Laval Holdings & Finance, S.A.
David J. Hansen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Filling machine having a continuous particle monitoring system
Patent number
5,806,282
Issue date
Sep 15, 1998
Tetra Laval Holdings & Finance, S.A.
David Hansen
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL