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Field Device for Automation Technology App 20130141888 - Wittmer; Detlev ;   et al. | 2013-06-06 |
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Sensor For A Measuring Point And Method For Testing A Sensor For A Measuring Point App 20130013258 - Babel; Wolfgang ;   et al. | 2013-01-10 |
Method for compatibility checking of a measuring system comprising a measurement transmitter and a sensor Grant 8,335,923 - Wittmer , et al. December 18, 2 | 2012-12-18 |
Process automation system for determining, monitoring and/or influencing different process variables and/or state variables Grant 8,311,651 - Spanke , et al. November 13, 2 | 2012-11-13 |
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Process Automation System For Determining, Monitoring And/or Influencing Different Process Variables And/or State Variables App 20100145493 - Gommlich; Andreas ;   et al. | 2010-06-10 |
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Plug-In Module for a Liquid or Gas Sensor App 20090302856 - Babel; Wolfgang ;   et al. | 2009-12-10 |
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Method for Calibrating and/or Adjusting a sensor, especially an electrochemical, electrophysical or optical sensor, and corresponding sensor App 20090293580 - Babel; Wolfgang ;   et al. | 2009-12-03 |
Pluggable module for a liquid or gas sensor Grant 7,587,953 - Wittmer September 15, 2 | 2009-09-15 |
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Method for encoding data in a network used in process automation systems App 20090210692 - Wittmer; Detlev ;   et al. | 2009-08-20 |
Method for Safe Data Transmission Between an Intrinsically Safe Sensor and a Non-Intrinsically Safe Evaluation Unit App 20090013107 - Wittmer; Detlev | 2009-01-08 |
Pluggable Module for a Liquid or Gas Sensor App 20080034864 - Wittmer; Detlev | 2008-02-14 |
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Method for producing software modules for field appliances used in the process automation technique App 20070016896 - Wittmer; Detlev ;   et al. | 2007-01-18 |
Method for monitoring sensor function App 20060155511 - Steinmueller; Dirk ;   et al. | 2006-07-13 |
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Modular measuring transducer provided with a galvanically separated sensor App 20060125625 - Wittmer; Detlev ;   et al. | 2006-06-15 |
Automatable measuring, cleaning and calibration device for pH-electrodes or electrodes for measuring redox potentials Grant 6,926,814 - Koenemann , et al. August 9, 2 | 2005-08-09 |
Process measuring point App 20050046838 - Wittmer, Detlev ;   et al. | 2005-03-03 |
Device and process for measurement of the concentration of ions in a measurement liquid Grant 6,853,195 - Gehrke , et al. February 8, 2 | 2005-02-08 |
Automatable measuring, cleaning and calibration device for pH-electrodes or electrodes for measuring redox potentials App 20040069619 - Koenemann, Ralf ;   et al. | 2004-04-15 |
Automatable measuring, cleaning and/or calibrating device for electrodes for measuring pH values or redox potentials App 20030130805 - Wittmer, Detlev ;   et al. | 2003-07-10 |
Coupling or plug for a connector for use in metrology, specifically in environmental metrology Grant 6,540,565 - Babel , et al. April 1, 2 | 2003-04-01 |
Device and process for measurement of the concentration of ions in a measurement liquid App 20020171430 - Gehrke, Martin ;   et al. | 2002-11-21 |
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Measuring device for determining physical and/or chemical properties of gases, liquids and/or solids Grant 6,285,964 - Babel , et al. September 4, 2 | 2001-09-04 |
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