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Ortwin Hahn
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Paderborn, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for joining metal sheets and the like
Patent number
6,199,271
Issue date
Mar 13, 2001
Ortwin Hahn
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Sintering device for blanks of foamable plastics with undercuts
Patent number
4,915,609
Issue date
Apr 10, 1990
Klevotec, Gesellschaft Fur Rechnergestutzte Systemanwendungen GmbH Co. K.G.
Ortwin Hahn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Adaptive control process for foaming and fusing plastics
Patent number
4,800,050
Issue date
Jan 24, 1989
Hahn; Ortwin
Ortwin Hahn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for foaming and sintering of foaming plastic
Patent number
4,725,389
Issue date
Feb 16, 1988
Hahn; Ortwin
Ortwin Hahn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and device for sintering differing molded parts in particula...
Patent number
4,615,849
Issue date
Oct 7, 1986
Sodemape Holding AG
Ortwin Hahn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process and device for the production of essentially dry moldings m...
Patent number
4,482,306
Issue date
Nov 13, 1984
FLEWU AG
Ortwin Hahn
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Filling device for introducing pre-foamed post-expandable thermopla...
Patent number
4,266,928
Issue date
May 12, 1981
CIVAG AG Institut fur Verpackungsforschung
Richard Weidner
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Process and apparatus for mechanically joining metallic components
Publication number
20010025518
Publication date
Oct 4, 2001
Ortwin Hahn
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method and apparatus for joining metal sheets and the like
Publication number
20010002506
Publication date
Jun 7, 2001
Ortwin Hahn
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...