Wolfgang Ehrfeld

Person

Karlsruhe, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of producing microsensors with integrated signal processing
- Patent number 5,194,402
- Issue date Mar 16, 1993
- Kernforschungszentrum Karlsruhe GmbH
- Wolfgang Ehrfeld
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrochemical measuring cell
- Patent number 5,126,035
- Issue date Jun 30, 1992
- Dragerwerk Aktiengesellschaft
- Herbert Kiesele
- G01 - MEASURING TESTING
Information Patent Grant
Method of manufacturing microvalves
- Patent number 5,096,643
- Issue date Mar 17, 1992
- Burkert GmbH Werk Ingelfingen
- Bernd Kowanz
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Microvalve
- Patent number 5,054,522
- Issue date Oct 8, 1991
- Burkert GmbH Werk Ingelfingen
- Bernd Kowanz
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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 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 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 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
Information Patent Grant
Layered multichannel metal plates for image amplifiers
- Patent number 4,563,251
- Issue date Jan 7, 1986
- Kernforschungszentrum Karlsruhe GmbH
- Erwin Becker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing multichannel plates
- Patent number 4,563,250
- Issue date Jan 7, 1986
- Kernforschungszentrum Karlsruhe GmbH
- Erwin Becker
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for separating light additive gas in separating nozzle cascades
- Patent number 4,551,157
- Issue date Nov 5, 1985
- Kernforschungszentrum Karlsruhe GmbH
- Erwin Becker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Motionless mixer
- Patent number 4,514,095
- Issue date Apr 30, 1985
- Kernforschungszentrum Karlsruhe GmbH
- Wolfgang Ehrfeld
- 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
Information Patent Grant
Method for producing separating nozzle elements used for separating...
- Patent number 4,422,905
- Issue date Dec 27, 1983
- Kernforschungszentrum Karlsruhe Gesellschaft mit beschrankter Haftung
- Erwin-Willy Becker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing separating nozzle elements
- Patent number 4,351,653
- Issue date Sep 28, 1982
- Kernforschungszentrum Karlsruhe Gesellschaft mit beschrankter Haftung
- Erwin W. Becker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Separating gaseous or vaporous substances according to the separati...
- Patent number 4,246,007
- Issue date Jan 20, 1981
- Kernforschungszentrum Karlsruhe GmbH
- Erwin-Willy Becker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Separation of gaseous or vaporous substances according to the separ...
- Patent number 4,235,606
- Issue date Nov 25, 1980
- Kernforschungszentrum Karlsruhe GmbH
- Erwin-Willy Becker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Determination of the partial pressure and the concentration of a gas
- Patent number 4,205,913
- Issue date Jun 3, 1980
- Kernforschungszentrum Karlsruhe GmbH
- Wolfgang Ehrfeld
- G01 - MEASURING TESTING

Wolfgang Ehrfeld

Person

Patents Grantslast 30 patents

Method of producing microsensors with integrated signal processing

Electrochemical measuring cell

Method of manufacturing microvalves

Microvalve

Micro secondary electron multiplier

Microporous membrane filter and method of producing same

Cross flow microfilter

Method of producing a passive optical device including at least one...

Method of producing a sheet or plate-shaped structure as the bearin...

Method for producing a spinning nozzle plate

Method for producing connecting elements for electrically joining m...

Method for producing deep-etch, X-ray lithography masks

Method for producing a spinning nozzle plate

Method for producing spinning nozzle plates

Method for producing a plurality of plate shaped microstructured me...

Layered multichannel metal plates for image amplifiers

Method for producing multichannel plates

Method for separating light additive gas in separating nozzle cascades

Method for producing separating nozzle elements

Motionless mixer

Method for producing separating nozzle elements for the separation...

Method for producing separating nozzle elements used for separating...

Method for producing separating nozzle elements

Separating gaseous or vaporous substances according to the separati...

Separation of gaseous or vaporous substances according to the separ...

Determination of the partial pressure and the concentration of a gas