Detlev Wittmer
37Patents
6h-index
45Co-inventors
69Inventor score
Filing activity: Mar 23, 1988 → Dec 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5600434A | Apparatus for defending against an attacking missile | Physics | 58 | Expired |
| US6285964A | Measuring device for determining physical and/or chemical properties of gases, liquids and/or solids | Physics | 40 | Expired |
| US6549855B2 | Measuring device for evaluation of physical and/or chemical properties of gases, fluids and/or solid materials | Physics | 16 | Expired |
| US6926814B2 | Automatable measuring, cleaning and calibration device for pH-electrodes or electrodes for measuring redox potentials | Physics | 11 | Expired |
| US7587953B2 | Pluggable module for a liquid or gas sensor | Electricity | 7 | Expired |
| US4860658A | Remote action mine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7196524B2 | Sensor plug-in head, particularly for a potentiometric sensor and potentiometric sensor comprising a sensor plug-in head | Physics | 4 | Expired |
| US6540565B2 | Coupling or plug for a connector for use in metrology, specifically in environmental metrology | Electricity | 4 | Expired |
| US8798930B2 | Method for servicing a field device of process automation technology having at least two measurement channels and field device of process automation technology having at least two measurement channels and being suitable for performing the method | Physics | 3 | Active |
| US7704357B2 | Potentiometric sensor | Physics | 3 | Expired |
| US8285518B2 | Sensor for a measuring point and method for testing a sensor for a measuring point | Electricity | 2 | Active |
| US10309873B2 | Method for servicing a field device | Physics | 2 | Active |
| US8005629B2 | Method for monitoring sensor function | Physics | 2 | Expired |
| US8988896B2 | Field device for automation technology | Electricity | 2 | Active |
| US8762598B2 | Arrangement with a superordinated control unit and at least one intelligent field device connectable with the control unit | Emerging Cross-Sectional Technologies | 1 | Active |
| US8381165B2 | Method for producing software modules for field devices of process automation technology | Physics | 1 | Expired |
| US8847602B2 | Plug-in module for a liquid or gas sensor | Physics | 1 | Active |
| US7259848B2 | Process measuring point | Physics | 1 | Expired |
| US8335923B2 | Method for compatibility checking of a measuring system comprising a measurement transmitter and a sensor | Physics | 1 | Active |
| US6488537B1 | Coupling or plug for a liquid impervious plug connection | Electricity | 1 | Expired |
| US8499107B2 | Field device for process automation | Physics | 1 | Active |
| US6853195B2 | Device and process for measurement of the concentration of ions in a measurement liquid | Physics | 1 | Expired |
| US8311651B2 | Process automation system for determining, monitoring and/or influencing different process variables and/or state variables | Physics | 1 | Active |
| US9880038B2 | In-line measuring device | Physics | 1 | Active |
| US11467010B2 | Method for determining the necessity of cleaning and/or the success of cleaning | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.