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Peter Hoft
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Braunschweig, DE
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last 30 patents
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Patent Grant
Closure end made of sheet
Patent number
6,223,931
Issue date
May 1, 2001
Schmalbach-Lubeca AG
Lutz Strube
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for further treating a closure end made of sheet
Patent number
5,987,956
Issue date
Nov 23, 1999
Schmalbach-Lubeca AG
Lutz Strube
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for further treating a closure end made of sheet
Patent number
5,832,770
Issue date
Nov 10, 1998
Schmalbach-Lubeca AG
Lutz Strube
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Opening means for oblong cans
Patent number
4,690,297
Issue date
Sep 1, 1987
Schmalbach-Lubeca AG
Peter Hoft
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Opening means for oblong cans
Patent number
4,593,834
Issue date
Jun 10, 1986
Schmalbach-Lubeca AG
Peter Hoft
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL