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Joachim Wiechers
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Planegg, DE
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Patents Grants
last 30 patents
Information
Patent Grant
High-pressure control valve for high-performance liquid chromatography
Patent number
9,939,415
Issue date
Apr 10, 2018
Dionex Softron GmbH
Hermann Hochgraeber
G01 - MEASURING TESTING
Information
Patent Grant
Switching valve for high-performance liquid chromatography
Patent number
9,400,265
Issue date
Jul 26, 2016
Dionex Softron GmbH
Joachim Wiechers
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Switching valve for liquid chromatography
Patent number
9,297,790
Issue date
Mar 29, 2016
Dionex Softron GmbH
Joachim Wiechers
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Switching valve for liquid chromatography
Patent number
9,063,114
Issue date
Jun 23, 2015
Dionex Softron GmbH
Joachim Wiechers
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Mixing device for liquid chromatography
Patent number
8,979,358
Issue date
Mar 17, 2015
Dionex Softron GmbH
Joachim Wiechers
G01 - MEASURING TESTING
Information
Patent Grant
Method for minimizing the error of a measurable quantity
Patent number
7,222,056
Issue date
May 22, 2007
CS Clean Systems AG
Joachim Wiechers
G01 - MEASURING TESTING
Information
Patent Grant
Analysis apparatus
Patent number
6,762,410
Issue date
Jul 13, 2004
CS Clean Systems AG
Joachim Wiechers
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Droplet Generator System, Detector for Samples, Corresponding Metho...
Publication number
20200166490
Publication date
May 28, 2020
DIONEX SOFTRON GMBH
Joachim Wiechers
G01 - MEASURING TESTING
Information
Patent Application
HIGH-PRESSURE CONTROL VALVE FOR HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
Publication number
20170284980
Publication date
Oct 5, 2017
DIONEX SOFTRON GMBH
Hermann HOCHGRAEBER
G01 - MEASURING TESTING
Information
Patent Application
SWITCHING VALVE FOR LIQUID CHROMATOGRAPHY
Publication number
20140042349
Publication date
Feb 13, 2014
Joachim WIECHERS
G01 - MEASURING TESTING
Information
Patent Application
SWITCHING VALVE FOR HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
Publication number
20140042351
Publication date
Feb 13, 2014
Joachim WIECHERS
G01 - MEASURING TESTING
Information
Patent Application
HIGH-PRESSURE CONTROL VALVE FOR HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY
Publication number
20130284959
Publication date
Oct 31, 2013
Hermann Hochgraeber
G01 - MEASURING TESTING
Information
Patent Application
MIXING DEVICE FOR LIQUID CHROMATOGRAPHY
Publication number
20110188341
Publication date
Aug 4, 2011
Dionex Softron GmbH.
Joachim Wiechers
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Capillary-like connector for liquid chromatography, in particular,...
Publication number
20090266752
Publication date
Oct 29, 2009
Hermann Hochgraeber
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for minimizing the error of a measurable quantity
Publication number
20060142975
Publication date
Jun 29, 2006
Joachim Wiechers
G01 - MEASURING TESTING