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Dietrich Munchmeyer
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Weingarten, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Micro secondary electron multiplier
Patent number
4,990,827
Issue date
Feb 5, 1991
Kernforschungszentrum Karlsruhe GmbH
Wolfgang Ehrfeld
H01 - BASIC ELECTRIC ELEMENTS
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
Cross flow microfilter
Patent number
4,797,211
Issue date
Jan 10, 1989
Kernforschungszentrum Karlsruhe GmbH
Wolfgang Ehrfeld
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of producing a passive optical device including at least one...
Patent number
4,784,935
Issue date
Nov 15, 1988
Kernforschungszentrum Karlsruhe GmbH
Wolfgang Ehrfeld
G02 - OPTICS
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 deep-etch, X-ray lithography masks
Patent number
4,698,285
Issue date
Oct 6, 1987
Kernforschungszentrum Karlsruhe GmbH
Wolfgang Ehrfeld
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Information
Patent Grant
Method for producing separating nozzle elements
Patent number
4,541,977
Issue date
Sep 17, 1985
Kernforschungszentrum Karlsruhe GmbH
Erwin Becker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing separating nozzle elements for the separation...
Patent number
4,493,753
Issue date
Jan 15, 1985
Kernforschungszentrum Karlsruhe GmbH
Erwin Becker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL