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Peter Hagmann
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Leopoldshafen, DE
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last 30 patents
Information
Patent Grant
Microporous membrane filter and method of producing same
Patent number
4,872,888
Issue date
Oct 10, 1989
Kernforschungszentrum Karlsruhe GmbH
Wolfgang Ehrfeld
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of producing a sheet or plate-shaped structure as the bearin...
Patent number
4,738,010
Issue date
Apr 19, 1988
Kernforschungszentrum Karlsruhe GmbH
Wolfgang Ehrfeld
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for producing a spinning nozzle plate
Patent number
4,705,605
Issue date
Nov 10, 1987
Kernforschungszentrum Karlsruhe GmbH
Erwin Becker
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing connecting elements for electrically joining m...
Patent number
4,703,559
Issue date
Nov 3, 1987
Kernforschungszentrum Karlsruhe GmbH
Wolfgang Ehrfeld
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing a spinning nozzle plate
Patent number
4,694,548
Issue date
Sep 22, 1987
Kernforschungszentrum Karlsruhe GmbH
Wolfgang Ehrfeld
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for producing spinning nozzle plates
Patent number
4,693,791
Issue date
Sep 15, 1987
Kernforschungszentrum Karlsruhe GmbH
Erwin Becker
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing a plurality of plate shaped microstructured me...
Patent number
4,661,212
Issue date
Apr 28, 1987
Kernforschungszentrum Kalrsruhe GmbH
Wolfgang Ehrfeld
B81 - MICRO-STRUCTURAL TECHNOLOGY